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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.procedure2.store.wal;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.FileNotFoundException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Arrays;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Comparator;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.HashSet;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Iterator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.LinkedList;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.Set;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.LinkedTransferQueue;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.TimeUnit;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicReference;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.concurrent.locks.Condition;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FSDataOutputStreamBuilder;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.fs.FSError;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.fs.FileAlreadyExistsException;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.fs.FileStatus;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.fs.FileSystem;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.fs.Path;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.fs.PathFilter;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.fs.StreamCapabilities;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HConstants;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.log.HBaseMarkers;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.procedure2.store.LeaseRecovery;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStoreBase;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.procedure2.util.ByteSlot;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.procedure2.util.StringUtils;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.slf4j.Logger;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.slf4j.LoggerFactory;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hbase.thirdparty.org.apache.commons.collections4.queue.CircularFifoQueue;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALHeader;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span>/**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * WAL implementation of the ProcedureStore.<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * <p/><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * When starting, the upper layer will first call {@link #start(int)}, then {@link #recoverLease()},<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * then {@link #load(ProcedureLoader)}.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * <p/><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * In {@link #recoverLease()}, we will get the lease by closing all the existing wal files(by<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * calling recoverFileLease), and creating a new wal writer. And we will also get the list of all<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * the old wal files.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * <p/><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * FIXME: notice that the current recover lease implementation is problematic, it can not deal with<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * the races if there are two master both wants to acquire the lease...<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * <p/><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * In {@link #load(ProcedureLoader)} method, we will load all the active procedures. See the<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * comments of this method for more details.<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * <p/><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * The actual logging way is a bit like our FileSystem based WAL implementation as RS side. There is<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * a {@link #slots}, which is more like the ring buffer, and in the insert, update and delete<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * methods we will put thing into the {@link #slots} and wait. And there is a background sync<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * thread(see the {@link #syncLoop()} method) which get data from the {@link #slots} and write them<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * to the FileSystem, and notify the caller that we have finished.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * <p/><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * TODO: try using disruptor to increase performance and simplify the logic?<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * <p/><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * The {@link #storeTracker} keeps track of the modified procedures in the newest wal file, which is<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * also the one being written currently. And the deleted bits in it are for all the procedures, not<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * only the ones in the newest wal file. And when rolling a log, we will first store it in the<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * trailer of the current wal file, and then reset its modified bits, so that it can start to track<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * the modified procedures for the new wal file.<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * <p/><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * The {@link #holdingCleanupTracker} is used to test whether we are safe to delete the oldest wal<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * file. When there are log rolling and there are more than 1 wal files, we will make use of it. It<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * will first be initialized to the oldest file's tracker(which is stored in the trailer), using the<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * method {@link ProcedureStoreTracker#resetTo(ProcedureStoreTracker, boolean)}, and then merge it<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * with the tracker of every newer wal files, using the<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * {@link ProcedureStoreTracker#setDeletedIfModifiedInBoth(ProcedureStoreTracker)}.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * If we find out<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * that all the modified procedures for the oldest wal file are modified or deleted in newer wal<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * files, then we can delete it. This is because that, every time we call<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * {@link ProcedureStore#insert(Procedure[])} or {@link ProcedureStore#update(Procedure)}, we will<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * persist the full state of a Procedure, so the earlier wal records for this procedure can all be<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * deleted.<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @see ProcedureWALPrettyPrinter for printing content of a single WAL.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * @see #main(String[]) to parse a directory of MasterWALProcs.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @deprecated Since 2.3.0, will be removed in 4.0.0. Keep here only for rolling upgrading, now we<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * use the new region based procedure store.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span>@Deprecated<a name="line.116"></a> |
| <span class="sourceLineNo">117</span>@InterfaceAudience.Private<a name="line.117"></a> |
| <span class="sourceLineNo">118</span>public class WALProcedureStore extends ProcedureStoreBase {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> private static final Logger LOG = LoggerFactory.getLogger(WALProcedureStore.class);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public static final String LOG_PREFIX = "pv2-";<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> /** Used to construct the name of the log directory for master procedures */<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public static final String MASTER_PROCEDURE_LOGDIR = "MasterProcWALs";<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public static final String WAL_COUNT_WARN_THRESHOLD_CONF_KEY =<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> "hbase.procedure.store.wal.warn.threshold";<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> private static final int DEFAULT_WAL_COUNT_WARN_THRESHOLD = 10;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> public static final String EXEC_WAL_CLEANUP_ON_LOAD_CONF_KEY =<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> "hbase.procedure.store.wal.exec.cleanup.on.load";<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> private static final boolean DEFAULT_EXEC_WAL_CLEANUP_ON_LOAD_CONF_KEY = true;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public static final String MAX_RETRIES_BEFORE_ROLL_CONF_KEY =<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> "hbase.procedure.store.wal.max.retries.before.roll";<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> private static final int DEFAULT_MAX_RETRIES_BEFORE_ROLL = 3;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> public static final String WAIT_BEFORE_ROLL_CONF_KEY =<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> "hbase.procedure.store.wal.wait.before.roll";<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private static final int DEFAULT_WAIT_BEFORE_ROLL = 500;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public static final String ROLL_RETRIES_CONF_KEY =<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> "hbase.procedure.store.wal.max.roll.retries";<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> private static final int DEFAULT_ROLL_RETRIES = 3;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> public static final String MAX_SYNC_FAILURE_ROLL_CONF_KEY =<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> "hbase.procedure.store.wal.sync.failure.roll.max";<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> private static final int DEFAULT_MAX_SYNC_FAILURE_ROLL = 3;<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> public static final String PERIODIC_ROLL_CONF_KEY =<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> "hbase.procedure.store.wal.periodic.roll.msec";<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private static final int DEFAULT_PERIODIC_ROLL = 60 * 60 * 1000; // 1h<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> public static final String SYNC_WAIT_MSEC_CONF_KEY = "hbase.procedure.store.wal.sync.wait.msec";<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> private static final int DEFAULT_SYNC_WAIT_MSEC = 100;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> public static final String USE_HSYNC_CONF_KEY = "hbase.procedure.store.wal.use.hsync";<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> private static final boolean DEFAULT_USE_HSYNC = true;<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public static final String ROLL_THRESHOLD_CONF_KEY = "hbase.procedure.store.wal.roll.threshold";<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> private static final long DEFAULT_ROLL_THRESHOLD = 32 * 1024 * 1024; // 32M<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> public static final String STORE_WAL_SYNC_STATS_COUNT =<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> "hbase.procedure.store.wal.sync.stats.count";<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> private static final int DEFAULT_SYNC_STATS_COUNT = 10;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> private final LinkedList<ProcedureWALFile> logs = new LinkedList<>();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> private final ProcedureStoreTracker holdingCleanupTracker = new ProcedureStoreTracker();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> private final ProcedureStoreTracker storeTracker = new ProcedureStoreTracker();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> private final ReentrantLock lock = new ReentrantLock();<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> private final Condition waitCond = lock.newCondition();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> private final Condition slotCond = lock.newCondition();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private final Condition syncCond = lock.newCondition();<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> private final LeaseRecovery leaseRecovery;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> private final Configuration conf;<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> private final FileSystem fs;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> private final Path walDir;<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> private final Path walArchiveDir;<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> private final boolean enforceStreamCapability;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> private final AtomicReference<Throwable> syncException = new AtomicReference<>();<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> private final AtomicBoolean loading = new AtomicBoolean(true);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> private final AtomicBoolean inSync = new AtomicBoolean(false);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> private final AtomicLong totalSynced = new AtomicLong(0);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> private final AtomicLong lastRollTs = new AtomicLong(0);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> private final AtomicLong syncId = new AtomicLong(0);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> private LinkedTransferQueue<ByteSlot> slotsCache = null;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> private Set<ProcedureWALFile> corruptedLogs = null;<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> private FSDataOutputStream stream = null;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> private int runningProcCount = 1;<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> private long flushLogId = 0;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> private int syncMaxSlot = 1;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> private int slotIndex = 0;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> private Thread syncThread;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> private ByteSlot[] slots;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> private int walCountWarnThreshold;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> private int maxRetriesBeforeRoll;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> private int maxSyncFailureRoll;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> private int waitBeforeRoll;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> private int rollRetries;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> private int periodicRollMsec;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> private long rollThreshold;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> private boolean useHsync;<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> private int syncWaitMsec;<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // Variables used for UI display<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> private CircularFifoQueue<SyncMetrics> syncMetricsQueue;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> public static class SyncMetrics {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> private long timestamp;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> private long syncWaitMs;<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> private long totalSyncedBytes;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> private int syncedEntries;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> private float syncedPerSec;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> public long getTimestamp() {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> return timestamp;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> public long getSyncWaitMs() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return syncWaitMs;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> public long getTotalSyncedBytes() {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return totalSyncedBytes;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> public long getSyncedEntries() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> return syncedEntries;<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> }<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> public float getSyncedPerSec() {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return syncedPerSec;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public WALProcedureStore(Configuration conf, LeaseRecovery leaseRecovery) throws IOException {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> this(conf, new Path(CommonFSUtils.getWALRootDir(conf), MASTER_PROCEDURE_LOGDIR),<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> new Path(CommonFSUtils.getWALRootDir(conf), HConstants.HREGION_OLDLOGDIR_NAME),<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> leaseRecovery);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> public WALProcedureStore(final Configuration conf, final Path walDir, final Path walArchiveDir,<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> final LeaseRecovery leaseRecovery) throws IOException {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> this.conf = conf;<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> this.leaseRecovery = leaseRecovery;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> this.walDir = walDir;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> this.walArchiveDir = walArchiveDir;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> this.fs = CommonFSUtils.getWALFileSystem(conf);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> this.enforceStreamCapability = conf.getBoolean(CommonFSUtils.UNSAFE_STREAM_CAPABILITY_ENFORCE,<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> true);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span><a name="line.254"></a> |
| <span class="sourceLineNo">255</span> // Create the log directory for the procedure store<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> if (!fs.exists(walDir)) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (!fs.mkdirs(walDir)) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> throw new IOException("Unable to mkdir " + walDir);<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // Now that it exists, set the log policy<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> String storagePolicy =<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> conf.get(HConstants.WAL_STORAGE_POLICY, HConstants.DEFAULT_WAL_STORAGE_POLICY);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> CommonFSUtils.setStoragePolicy(fs, walDir, storagePolicy);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span><a name="line.265"></a> |
| <span class="sourceLineNo">266</span> // Create archive dir up front. Rename won't work w/o it up on HDFS.<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> if (this.walArchiveDir != null && !this.fs.exists(this.walArchiveDir)) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (this.fs.mkdirs(this.walArchiveDir)) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> LOG.debug("Created Procedure Store WAL archive dir {}", this.walArchiveDir);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> } else {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> LOG.warn("Failed create of {}", this.walArchiveDir);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> @Override<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> public void start(int numSlots) throws IOException {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> if (!setRunning(true)) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> return;<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> // Init buffer slots<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> loading.set(true);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> runningProcCount = numSlots;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> syncMaxSlot = numSlots;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> slots = new ByteSlot[numSlots];<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> slotsCache = new LinkedTransferQueue<>();<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> while (slotsCache.size() < numSlots) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> slotsCache.offer(new ByteSlot());<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Tunings<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> walCountWarnThreshold =<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> conf.getInt(WAL_COUNT_WARN_THRESHOLD_CONF_KEY, DEFAULT_WAL_COUNT_WARN_THRESHOLD);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> maxRetriesBeforeRoll =<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> conf.getInt(MAX_RETRIES_BEFORE_ROLL_CONF_KEY, DEFAULT_MAX_RETRIES_BEFORE_ROLL);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> maxSyncFailureRoll = conf.getInt(MAX_SYNC_FAILURE_ROLL_CONF_KEY, DEFAULT_MAX_SYNC_FAILURE_ROLL);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> waitBeforeRoll = conf.getInt(WAIT_BEFORE_ROLL_CONF_KEY, DEFAULT_WAIT_BEFORE_ROLL);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> rollRetries = conf.getInt(ROLL_RETRIES_CONF_KEY, DEFAULT_ROLL_RETRIES);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> rollThreshold = conf.getLong(ROLL_THRESHOLD_CONF_KEY, DEFAULT_ROLL_THRESHOLD);<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> periodicRollMsec = conf.getInt(PERIODIC_ROLL_CONF_KEY, DEFAULT_PERIODIC_ROLL);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> syncWaitMsec = conf.getInt(SYNC_WAIT_MSEC_CONF_KEY, DEFAULT_SYNC_WAIT_MSEC);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> useHsync = conf.getBoolean(USE_HSYNC_CONF_KEY, DEFAULT_USE_HSYNC);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> // WebUI<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> syncMetricsQueue = new CircularFifoQueue<>(<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> conf.getInt(STORE_WAL_SYNC_STATS_COUNT, DEFAULT_SYNC_STATS_COUNT));<a name="line.307"></a> |
| <span class="sourceLineNo">308</span><a name="line.308"></a> |
| <span class="sourceLineNo">309</span> // Init sync thread<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> syncThread = new Thread("WALProcedureStoreSyncThread") {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> @Override<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> public void run() {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> try {<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> syncLoop();<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> } catch (Throwable e) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> LOG.error("Got an exception from the sync-loop", e);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> if (!isSyncAborted()) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> sendAbortProcessSignal();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> };<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> syncThread.start();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> @Override<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> public void stop(final boolean abort) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> if (!setRunning(false)) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> return;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span><a name="line.331"></a> |
| <span class="sourceLineNo">332</span> LOG.info("Stopping the WAL Procedure Store, isAbort=" + abort +<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> (isSyncAborted() ? " (self aborting)" : ""));<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> sendStopSignal();<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> if (!isSyncAborted()) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> try {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> while (syncThread.isAlive()) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> sendStopSignal();<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> syncThread.join(250);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> }<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> } catch (InterruptedException e) {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> LOG.warn("join interrupted", e);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> Thread.currentThread().interrupt();<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> // Close the writer<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> closeCurrentLogStream(abort);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> // Close the old logs<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> // they should be already closed, this is just in case the load fails<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // and we call start() and then stop()<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> for (ProcedureWALFile log: logs) {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> log.close();<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> }<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> logs.clear();<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> loading.set(true);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> private void sendStopSignal() {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> if (lock.tryLock()) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> try {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> waitCond.signalAll();<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> syncCond.signalAll();<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> } finally {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> lock.unlock();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> }<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> @Override<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> public int getNumThreads() {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> return slots == null ? 0 : slots.length;<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> @Override<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> public int setRunningProcedureCount(final int count) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> this.runningProcCount = count > 0 ? Math.min(count, slots.length) : slots.length;<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> return this.runningProcCount;<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> }<a name="line.380"></a> |
| <span class="sourceLineNo">381</span><a name="line.381"></a> |
| <span class="sourceLineNo">382</span> public ProcedureStoreTracker getStoreTracker() {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> return storeTracker;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> public ArrayList<ProcedureWALFile> getActiveLogs() {<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> lock.lock();<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> try {<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> return new ArrayList<>(logs);<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> } finally {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> lock.unlock();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span><a name="line.394"></a> |
| <span class="sourceLineNo">395</span> public Set<ProcedureWALFile> getCorruptedLogs() {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> return corruptedLogs;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span><a name="line.398"></a> |
| <span class="sourceLineNo">399</span> @Override<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> public void recoverLease() throws IOException {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> lock.lock();<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> try {<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> LOG.debug("Starting WAL Procedure Store lease recovery");<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> boolean afterFirstAttempt = false;<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> while (isRunning()) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> // Don't sleep before first attempt<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if (afterFirstAttempt) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> LOG.trace("Sleep {} ms after first lease recovery attempt.",<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> waitBeforeRoll);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> Threads.sleepWithoutInterrupt(waitBeforeRoll);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> } else {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> afterFirstAttempt = true;<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> }<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> FileStatus[] oldLogs = getLogFiles();<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> // Get Log-MaxID and recover lease on old logs<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> try {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> flushLogId = initOldLogs(oldLogs);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> } catch (FileNotFoundException e) {<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> LOG.warn("Someone else is active and deleted logs. retrying.", e);<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> continue;<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span><a name="line.422"></a> |
| <span class="sourceLineNo">423</span> // Create new state-log<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> if (!rollWriter(flushLogId + 1)) {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> // someone else has already created this log<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> LOG.debug("Someone else has already created log {}. Retrying.", flushLogId);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> continue;<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> }<a name="line.428"></a> |
| <span class="sourceLineNo">429</span><a name="line.429"></a> |
| <span class="sourceLineNo">430</span> // We have the lease on the log<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> oldLogs = getLogFiles();<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> if (getMaxLogId(oldLogs) > flushLogId) {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> LOG.debug("Someone else created new logs. Expected maxLogId < {}", flushLogId);<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> logs.getLast().removeFile(this.walArchiveDir);<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> continue;<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> LOG.debug("Lease acquired for flushLogId={}", flushLogId);<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> break;<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> }<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> } finally {<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> lock.unlock();<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> }<a name="line.444"></a> |
| <span class="sourceLineNo">445</span><a name="line.445"></a> |
| <span class="sourceLineNo">446</span> @Override<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> public void load(ProcedureLoader loader) throws IOException {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> lock.lock();<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> try {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> if (logs.isEmpty()) {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> throw new IllegalStateException("recoverLease() must be called before loading data");<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span><a name="line.453"></a> |
| <span class="sourceLineNo">454</span> // Nothing to do, If we have only the current log.<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> if (logs.size() == 1) {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> LOG.debug("No state logs to replay.");<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> loader.setMaxProcId(0);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> loading.set(false);<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> return;<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> }<a name="line.460"></a> |
| <span class="sourceLineNo">461</span><a name="line.461"></a> |
| <span class="sourceLineNo">462</span> // Load the old logs<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> Iterator<ProcedureWALFile> it = logs.descendingIterator();<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> it.next(); // Skip the current log<a name="line.464"></a> |
| <span class="sourceLineNo">465</span><a name="line.465"></a> |
| <span class="sourceLineNo">466</span> ProcedureWALFormat.load(it, storeTracker, new ProcedureWALFormat.Loader() {<a name="line.466"></a> |
| <span class="sourceLineNo">467</span><a name="line.467"></a> |
| <span class="sourceLineNo">468</span> @Override<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> public void setMaxProcId(long maxProcId) {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> loader.setMaxProcId(maxProcId);<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> }<a name="line.471"></a> |
| <span class="sourceLineNo">472</span><a name="line.472"></a> |
| <span class="sourceLineNo">473</span> @Override<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> loader.load(procIter);<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> }<a name="line.476"></a> |
| <span class="sourceLineNo">477</span><a name="line.477"></a> |
| <span class="sourceLineNo">478</span> @Override<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> public void handleCorrupted(ProcedureIterator procIter) throws IOException {<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> loader.handleCorrupted(procIter);<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> }<a name="line.481"></a> |
| <span class="sourceLineNo">482</span><a name="line.482"></a> |
| <span class="sourceLineNo">483</span> @Override<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> public void markCorruptedWAL(ProcedureWALFile log, IOException e) {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> if (corruptedLogs == null) {<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> corruptedLogs = new HashSet<>();<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> }<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> corruptedLogs.add(log);<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> // TODO: sideline corrupted log<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> });<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> // if we fail when loading, we should prevent persisting the storeTracker later in the stop<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> // method. As it may happen that, we have finished constructing the modified and deleted bits,<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> // but before we call resetModified, we fail, then if we persist the storeTracker then when<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> // restarting, we will consider that all procedures have been included in this file and delete<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> // all the previous files. Obviously this not correct. So here we will only set loading to<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> // false when we successfully loaded all the procedures, and when closing we will skip<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> // persisting the store tracker. And also, this will prevent the sync thread to do<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> // periodicRoll, where we may also clean old logs.<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> loading.set(false);<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> // try to cleanup inactive wals and complete the operation<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> buildHoldingCleanupTracker();<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> tryCleanupLogsOnLoad();<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> } finally {<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> lock.unlock();<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> }<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> }<a name="line.507"></a> |
| <span class="sourceLineNo">508</span><a name="line.508"></a> |
| <span class="sourceLineNo">509</span> private void tryCleanupLogsOnLoad() {<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> // nothing to cleanup.<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> if (logs.size() <= 1) {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> return;<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> }<a name="line.513"></a> |
| <span class="sourceLineNo">514</span><a name="line.514"></a> |
| <span class="sourceLineNo">515</span> // the config says to not cleanup wals on load.<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> if (!conf.getBoolean(EXEC_WAL_CLEANUP_ON_LOAD_CONF_KEY,<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> DEFAULT_EXEC_WAL_CLEANUP_ON_LOAD_CONF_KEY)) {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> LOG.debug("WALs cleanup on load is not enabled: " + getActiveLogs());<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> return;<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span><a name="line.521"></a> |
| <span class="sourceLineNo">522</span> try {<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> periodicRoll();<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> } catch (IOException e) {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> LOG.warn("Unable to cleanup logs on load: " + e.getMessage(), e);<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> }<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span><a name="line.528"></a> |
| <span class="sourceLineNo">529</span> @Override<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> public void insert(Procedure<?> proc, Procedure<?>[] subprocs) {<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> if (LOG.isTraceEnabled()) {<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> LOG.trace("Insert " + proc + ", subproc=" + Arrays.toString(subprocs));<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> }<a name="line.533"></a> |
| <span class="sourceLineNo">534</span><a name="line.534"></a> |
| <span class="sourceLineNo">535</span> ByteSlot slot = acquireSlot();<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> try {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> // Serialize the insert<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> long[] subProcIds = null;<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> if (subprocs != null) {<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> ProcedureWALFormat.writeInsert(slot, proc, subprocs);<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> subProcIds = new long[subprocs.length];<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> for (int i = 0; i < subprocs.length; ++i) {<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> subProcIds[i] = subprocs[i].getProcId();<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> }<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> } else {<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> assert !proc.hasParent();<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> ProcedureWALFormat.writeInsert(slot, proc);<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> }<a name="line.548"></a> |
| <span class="sourceLineNo">549</span><a name="line.549"></a> |
| <span class="sourceLineNo">550</span> // Push the transaction data and wait until it is persisted<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> pushData(PushType.INSERT, slot, proc.getProcId(), subProcIds);<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> } catch (IOException e) {<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> // We are not able to serialize the procedure.<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> // this is a code error, and we are not able to go on.<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> LOG.error(HBaseMarkers.FATAL, "Unable to serialize one of the procedure: proc=" +<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> proc + ", subprocs=" + Arrays.toString(subprocs), e);<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> throw new RuntimeException(e);<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> } finally {<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> releaseSlot(slot);<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> }<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> }<a name="line.561"></a> |
| <span class="sourceLineNo">562</span><a name="line.562"></a> |
| <span class="sourceLineNo">563</span> @Override<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> public void insert(Procedure<?>[] procs) {<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> if (LOG.isTraceEnabled()) {<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> LOG.trace("Insert " + Arrays.toString(procs));<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> }<a name="line.567"></a> |
| <span class="sourceLineNo">568</span><a name="line.568"></a> |
| <span class="sourceLineNo">569</span> ByteSlot slot = acquireSlot();<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> try {<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> // Serialize the insert<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> long[] procIds = new long[procs.length];<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> for (int i = 0; i < procs.length; ++i) {<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> assert !procs[i].hasParent();<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> procIds[i] = procs[i].getProcId();<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> ProcedureWALFormat.writeInsert(slot, procs[i]);<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> }<a name="line.577"></a> |
| <span class="sourceLineNo">578</span><a name="line.578"></a> |
| <span class="sourceLineNo">579</span> // Push the transaction data and wait until it is persisted<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> pushData(PushType.INSERT, slot, Procedure.NO_PROC_ID, procIds);<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> } catch (IOException e) {<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> // We are not able to serialize the procedure.<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> // this is a code error, and we are not able to go on.<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> LOG.error(HBaseMarkers.FATAL, "Unable to serialize one of the procedure: " +<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> Arrays.toString(procs), e);<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> throw new RuntimeException(e);<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> } finally {<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> releaseSlot(slot);<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> }<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> }<a name="line.590"></a> |
| <span class="sourceLineNo">591</span><a name="line.591"></a> |
| <span class="sourceLineNo">592</span> @Override<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> public void update(Procedure<?> proc) {<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> if (LOG.isTraceEnabled()) {<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> LOG.trace("Update " + proc);<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> }<a name="line.596"></a> |
| <span class="sourceLineNo">597</span><a name="line.597"></a> |
| <span class="sourceLineNo">598</span> ByteSlot slot = acquireSlot();<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> try {<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> // Serialize the update<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> ProcedureWALFormat.writeUpdate(slot, proc);<a name="line.601"></a> |
| <span class="sourceLineNo">602</span><a name="line.602"></a> |
| <span class="sourceLineNo">603</span> // Push the transaction data and wait until it is persisted<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> pushData(PushType.UPDATE, slot, proc.getProcId(), null);<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> } catch (IOException e) {<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> // We are not able to serialize the procedure.<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> // this is a code error, and we are not able to go on.<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> LOG.error(HBaseMarkers.FATAL, "Unable to serialize the procedure: " + proc, e);<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> throw new RuntimeException(e);<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> } finally {<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> releaseSlot(slot);<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> }<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> }<a name="line.613"></a> |
| <span class="sourceLineNo">614</span><a name="line.614"></a> |
| <span class="sourceLineNo">615</span> @Override<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> public void delete(long procId) {<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> LOG.trace("Delete {}", procId);<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> ByteSlot slot = acquireSlot();<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> try {<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> // Serialize the delete<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> ProcedureWALFormat.writeDelete(slot, procId);<a name="line.621"></a> |
| <span class="sourceLineNo">622</span><a name="line.622"></a> |
| <span class="sourceLineNo">623</span> // Push the transaction data and wait until it is persisted<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> pushData(PushType.DELETE, slot, procId, null);<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> } catch (IOException e) {<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> // We are not able to serialize the procedure.<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> // this is a code error, and we are not able to go on.<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> LOG.error(HBaseMarkers.FATAL, "Unable to serialize the procedure: " + procId, e);<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> throw new RuntimeException(e);<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> } finally {<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> releaseSlot(slot);<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> }<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> }<a name="line.633"></a> |
| <span class="sourceLineNo">634</span><a name="line.634"></a> |
| <span class="sourceLineNo">635</span> @Override<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> public void delete(Procedure<?> proc, long[] subProcIds) {<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> assert proc != null : "expected a non-null procedure";<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> assert subProcIds != null && subProcIds.length > 0 : "expected subProcIds";<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> if (LOG.isTraceEnabled()) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> LOG.trace("Update " + proc + " and Delete " + Arrays.toString(subProcIds));<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> }<a name="line.641"></a> |
| <span class="sourceLineNo">642</span><a name="line.642"></a> |
| <span class="sourceLineNo">643</span> ByteSlot slot = acquireSlot();<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> try {<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> // Serialize the delete<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> ProcedureWALFormat.writeDelete(slot, proc, subProcIds);<a name="line.646"></a> |
| <span class="sourceLineNo">647</span><a name="line.647"></a> |
| <span class="sourceLineNo">648</span> // Push the transaction data and wait until it is persisted<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> pushData(PushType.DELETE, slot, proc.getProcId(), subProcIds);<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> } catch (IOException e) {<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> // We are not able to serialize the procedure.<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> // this is a code error, and we are not able to go on.<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> LOG.error(HBaseMarkers.FATAL, "Unable to serialize the procedure: " + proc, e);<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> throw new RuntimeException(e);<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> } finally {<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> releaseSlot(slot);<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> }<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> }<a name="line.658"></a> |
| <span class="sourceLineNo">659</span><a name="line.659"></a> |
| <span class="sourceLineNo">660</span> @Override<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> public void delete(final long[] procIds, final int offset, final int count) {<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> if (count == 0) {<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> return;<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> }<a name="line.664"></a> |
| <span class="sourceLineNo">665</span><a name="line.665"></a> |
| <span class="sourceLineNo">666</span> if (offset == 0 && count == procIds.length) {<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> delete(procIds);<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> } else if (count == 1) {<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> delete(procIds[offset]);<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> } else {<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> delete(Arrays.copyOfRange(procIds, offset, offset + count));<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> }<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> }<a name="line.673"></a> |
| <span class="sourceLineNo">674</span><a name="line.674"></a> |
| <span class="sourceLineNo">675</span> private void delete(long[] procIds) {<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> if (LOG.isTraceEnabled()) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> LOG.trace("Delete " + Arrays.toString(procIds));<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> }<a name="line.678"></a> |
| <span class="sourceLineNo">679</span><a name="line.679"></a> |
| <span class="sourceLineNo">680</span> final ByteSlot slot = acquireSlot();<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> try {<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> // Serialize the delete<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> for (int i = 0; i < procIds.length; ++i) {<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> ProcedureWALFormat.writeDelete(slot, procIds[i]);<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> }<a name="line.685"></a> |
| <span class="sourceLineNo">686</span><a name="line.686"></a> |
| <span class="sourceLineNo">687</span> // Push the transaction data and wait until it is persisted<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> pushData(PushType.DELETE, slot, Procedure.NO_PROC_ID, procIds);<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> } catch (IOException e) {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> // We are not able to serialize the procedure.<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> // this is a code error, and we are not able to go on.<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> LOG.error("Unable to serialize the procedures: " + Arrays.toString(procIds), e);<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> throw new RuntimeException(e);<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> } finally {<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> releaseSlot(slot);<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> }<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> }<a name="line.697"></a> |
| <span class="sourceLineNo">698</span><a name="line.698"></a> |
| <span class="sourceLineNo">699</span> private ByteSlot acquireSlot() {<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> ByteSlot slot = slotsCache.poll();<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> return slot != null ? slot : new ByteSlot();<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> }<a name="line.702"></a> |
| <span class="sourceLineNo">703</span><a name="line.703"></a> |
| <span class="sourceLineNo">704</span> private void releaseSlot(final ByteSlot slot) {<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> slot.reset();<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> slotsCache.offer(slot);<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> }<a name="line.707"></a> |
| <span class="sourceLineNo">708</span><a name="line.708"></a> |
| <span class="sourceLineNo">709</span> private enum PushType { INSERT, UPDATE, DELETE }<a name="line.709"></a> |
| <span class="sourceLineNo">710</span><a name="line.710"></a> |
| <span class="sourceLineNo">711</span> private long pushData(final PushType type, final ByteSlot slot,<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> final long procId, final long[] subProcIds) {<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> if (!isRunning()) {<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> throw new RuntimeException("the store must be running before inserting data");<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> }<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> if (logs.isEmpty()) {<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> throw new RuntimeException("recoverLease() must be called before inserting data");<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> }<a name="line.718"></a> |
| <span class="sourceLineNo">719</span><a name="line.719"></a> |
| <span class="sourceLineNo">720</span> long logId = -1;<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> lock.lock();<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> try {<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> // Wait for the sync to be completed<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> while (true) {<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> if (!isRunning()) {<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> throw new RuntimeException("store no longer running");<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> } else if (isSyncAborted()) {<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> } else if (inSync.get()) {<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> syncCond.await();<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> } else if (slotIndex >= syncMaxSlot) {<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> slotCond.signal();<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> syncCond.await();<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> } else {<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> break;<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> }<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> }<a name="line.737"></a> |
| <span class="sourceLineNo">738</span><a name="line.738"></a> |
| <span class="sourceLineNo">739</span> final long pushSyncId = syncId.get();<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> updateStoreTracker(type, procId, subProcIds);<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> slots[slotIndex++] = slot;<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> logId = flushLogId;<a name="line.742"></a> |
| <span class="sourceLineNo">743</span><a name="line.743"></a> |
| <span class="sourceLineNo">744</span> // Notify that there is new data<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> if (slotIndex == 1) {<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> waitCond.signal();<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> }<a name="line.747"></a> |
| <span class="sourceLineNo">748</span><a name="line.748"></a> |
| <span class="sourceLineNo">749</span> // Notify that the slots are full<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> if (slotIndex == syncMaxSlot) {<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> waitCond.signal();<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> slotCond.signal();<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> }<a name="line.753"></a> |
| <span class="sourceLineNo">754</span><a name="line.754"></a> |
| <span class="sourceLineNo">755</span> while (pushSyncId == syncId.get() && isRunning()) {<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> syncCond.await();<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> }<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> } catch (InterruptedException e) {<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> Thread.currentThread().interrupt();<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> sendAbortProcessSignal();<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> throw new RuntimeException(e);<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> } finally {<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> lock.unlock();<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> if (isSyncAborted()) {<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> }<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> }<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> return logId;<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> }<a name="line.769"></a> |
| <span class="sourceLineNo">770</span><a name="line.770"></a> |
| <span class="sourceLineNo">771</span> private void updateStoreTracker(final PushType type,<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> final long procId, final long[] subProcIds) {<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> switch (type) {<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> case INSERT:<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> if (subProcIds == null) {<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> storeTracker.insert(procId);<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> } else if (procId == Procedure.NO_PROC_ID) {<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> storeTracker.insert(subProcIds);<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> } else {<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> storeTracker.insert(procId, subProcIds);<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> holdingCleanupTracker.setDeletedIfModified(procId);<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> break;<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> case UPDATE:<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> storeTracker.update(procId);<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> holdingCleanupTracker.setDeletedIfModified(procId);<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> break;<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> case DELETE:<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> if (subProcIds != null && subProcIds.length > 0) {<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> storeTracker.delete(subProcIds);<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> holdingCleanupTracker.setDeletedIfModified(subProcIds);<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> } else {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> storeTracker.delete(procId);<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> holdingCleanupTracker.setDeletedIfModified(procId);<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> }<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> break;<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> default:<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> throw new RuntimeException("invalid push type " + type);<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> }<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> }<a name="line.800"></a> |
| <span class="sourceLineNo">801</span><a name="line.801"></a> |
| <span class="sourceLineNo">802</span> private boolean isSyncAborted() {<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> return syncException.get() != null;<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> }<a name="line.804"></a> |
| <span class="sourceLineNo">805</span><a name="line.805"></a> |
| <span class="sourceLineNo">806</span> private void syncLoop() throws Throwable {<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> long totalSyncedToStore = 0;<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> inSync.set(false);<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> lock.lock();<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> try {<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> while (isRunning()) {<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> try {<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> // Wait until new data is available<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> if (slotIndex == 0) {<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> if (!loading.get()) {<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> periodicRoll();<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> }<a name="line.817"></a> |
| <span class="sourceLineNo">818</span><a name="line.818"></a> |
| <span class="sourceLineNo">819</span> if (LOG.isTraceEnabled()) {<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> float rollTsSec = getMillisFromLastRoll() / 1000.0f;<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> LOG.trace(String.format("Waiting for data. flushed=%s (%s/sec)",<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> StringUtils.humanSize(totalSynced.get()),<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> StringUtils.humanSize(totalSynced.get() / rollTsSec)));<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> }<a name="line.824"></a> |
| <span class="sourceLineNo">825</span><a name="line.825"></a> |
| <span class="sourceLineNo">826</span> waitCond.await(getMillisToNextPeriodicRoll(), TimeUnit.MILLISECONDS);<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> if (slotIndex == 0) {<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> // no data.. probably a stop() or a periodic roll<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> continue;<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> }<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> }<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> // Wait SYNC_WAIT_MSEC or the signal of "slots full" before flushing<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> syncMaxSlot = runningProcCount;<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> assert syncMaxSlot > 0 : "unexpected syncMaxSlot=" + syncMaxSlot;<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> final long syncWaitSt = EnvironmentEdgeManager.currentTime();<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> if (slotIndex != syncMaxSlot) {<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> slotCond.await(syncWaitMsec, TimeUnit.MILLISECONDS);<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> }<a name="line.838"></a> |
| <span class="sourceLineNo">839</span><a name="line.839"></a> |
| <span class="sourceLineNo">840</span> final long currentTs = EnvironmentEdgeManager.currentTime();<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> final long syncWaitMs = currentTs - syncWaitSt;<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> final float rollSec = getMillisFromLastRoll() / 1000.0f;<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> final float syncedPerSec = totalSyncedToStore / rollSec;<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> if (LOG.isTraceEnabled() && (syncWaitMs > 10 || slotIndex < syncMaxSlot)) {<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> LOG.trace(String.format("Sync wait %s, slotIndex=%s , totalSynced=%s (%s/sec)",<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> StringUtils.humanTimeDiff(syncWaitMs), slotIndex,<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> StringUtils.humanSize(totalSyncedToStore),<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> StringUtils.humanSize(syncedPerSec)));<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> }<a name="line.849"></a> |
| <span class="sourceLineNo">850</span><a name="line.850"></a> |
| <span class="sourceLineNo">851</span> // update webui circular buffers (TODO: get rid of allocations)<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> final SyncMetrics syncMetrics = new SyncMetrics();<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> syncMetrics.timestamp = currentTs;<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> syncMetrics.syncWaitMs = syncWaitMs;<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> syncMetrics.syncedEntries = slotIndex;<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> syncMetrics.totalSyncedBytes = totalSyncedToStore;<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> syncMetrics.syncedPerSec = syncedPerSec;<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> syncMetricsQueue.add(syncMetrics);<a name="line.858"></a> |
| <span class="sourceLineNo">859</span><a name="line.859"></a> |
| <span class="sourceLineNo">860</span> // sync<a name="line.860"></a> |
| <span class="sourceLineNo">861</span> inSync.set(true);<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> long slotSize = syncSlots();<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> logs.getLast().addToSize(slotSize);<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> totalSyncedToStore = totalSynced.addAndGet(slotSize);<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> slotIndex = 0;<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> inSync.set(false);<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> syncId.incrementAndGet();<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> } catch (InterruptedException e) {<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> Thread.currentThread().interrupt();<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> syncException.compareAndSet(null, e);<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> sendAbortProcessSignal();<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> throw e;<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> } catch (Throwable t) {<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> syncException.compareAndSet(null, t);<a name="line.874"></a> |
| <span class="sourceLineNo">875</span> sendAbortProcessSignal();<a name="line.875"></a> |
| <span class="sourceLineNo">876</span> throw t;<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> } finally {<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> syncCond.signalAll();<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> }<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> }<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> } finally {<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> lock.unlock();<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> }<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> }<a name="line.884"></a> |
| <span class="sourceLineNo">885</span><a name="line.885"></a> |
| <span class="sourceLineNo">886</span> public ArrayList<SyncMetrics> getSyncMetrics() {<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> lock.lock();<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> try {<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> return new ArrayList<>(syncMetricsQueue);<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> } finally {<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> lock.unlock();<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> }<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> }<a name="line.893"></a> |
| <span class="sourceLineNo">894</span><a name="line.894"></a> |
| <span class="sourceLineNo">895</span> private long syncSlots() throws Throwable {<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> int retry = 0;<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> int logRolled = 0;<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> long totalSynced = 0;<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> do {<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> try {<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> totalSynced = syncSlots(stream, slots, 0, slotIndex);<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> break;<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> } catch (Throwable e) {<a name="line.903"></a> |
| <span class="sourceLineNo">904</span> LOG.warn("unable to sync slots, retry=" + retry);<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> if (++retry >= maxRetriesBeforeRoll) {<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> if (logRolled >= maxSyncFailureRoll && isRunning()) {<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> LOG.error("Sync slots after log roll failed, abort.", e);<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> throw e;<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> }<a name="line.909"></a> |
| <span class="sourceLineNo">910</span><a name="line.910"></a> |
| <span class="sourceLineNo">911</span> if (!rollWriterWithRetries()) {<a name="line.911"></a> |
| <span class="sourceLineNo">912</span> throw e;<a name="line.912"></a> |
| <span class="sourceLineNo">913</span> }<a name="line.913"></a> |
| <span class="sourceLineNo">914</span><a name="line.914"></a> |
| <span class="sourceLineNo">915</span> logRolled++;<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> retry = 0;<a name="line.916"></a> |
| <span class="sourceLineNo">917</span> }<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> }<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> } while (isRunning());<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> return totalSynced;<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> }<a name="line.921"></a> |
| <span class="sourceLineNo">922</span><a name="line.922"></a> |
| <span class="sourceLineNo">923</span> protected long syncSlots(final FSDataOutputStream stream, final ByteSlot[] slots,<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> final int offset, final int count) throws IOException {<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> long totalSynced = 0;<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> for (int i = 0; i < count; ++i) {<a name="line.926"></a> |
| <span class="sourceLineNo">927</span> final ByteSlot data = slots[offset + i];<a name="line.927"></a> |
| <span class="sourceLineNo">928</span> data.writeTo(stream);<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> totalSynced += data.size();<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> }<a name="line.930"></a> |
| <span class="sourceLineNo">931</span><a name="line.931"></a> |
| <span class="sourceLineNo">932</span> syncStream(stream);<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> sendPostSyncSignal();<a name="line.933"></a> |
| <span class="sourceLineNo">934</span><a name="line.934"></a> |
| <span class="sourceLineNo">935</span> if (LOG.isTraceEnabled()) {<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> LOG.trace("Sync slots=" + count + '/' + syncMaxSlot +<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> ", flushed=" + StringUtils.humanSize(totalSynced));<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> }<a name="line.938"></a> |
| <span class="sourceLineNo">939</span> return totalSynced;<a name="line.939"></a> |
| <span class="sourceLineNo">940</span> }<a name="line.940"></a> |
| <span class="sourceLineNo">941</span><a name="line.941"></a> |
| <span class="sourceLineNo">942</span> protected void syncStream(final FSDataOutputStream stream) throws IOException {<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> if (useHsync) {<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> stream.hsync();<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> } else {<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> stream.hflush();<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> }<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> }<a name="line.948"></a> |
| <span class="sourceLineNo">949</span><a name="line.949"></a> |
| <span class="sourceLineNo">950</span> private boolean rollWriterWithRetries() {<a name="line.950"></a> |
| <span class="sourceLineNo">951</span> for (int i = 0; i < rollRetries && isRunning(); ++i) {<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> if (i > 0) {<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> Threads.sleepWithoutInterrupt(waitBeforeRoll * i);<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> }<a name="line.954"></a> |
| <span class="sourceLineNo">955</span><a name="line.955"></a> |
| <span class="sourceLineNo">956</span> try {<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> if (rollWriter()) {<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> return true;<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> }<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> } catch (IOException e) {<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> LOG.warn("Unable to roll the log, attempt=" + (i + 1), e);<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> }<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> }<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> LOG.error(HBaseMarkers.FATAL, "Unable to roll the log");<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> return false;<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> }<a name="line.966"></a> |
| <span class="sourceLineNo">967</span><a name="line.967"></a> |
| <span class="sourceLineNo">968</span> private boolean tryRollWriter() {<a name="line.968"></a> |
| <span class="sourceLineNo">969</span> try {<a name="line.969"></a> |
| <span class="sourceLineNo">970</span> return rollWriter();<a name="line.970"></a> |
| <span class="sourceLineNo">971</span> } catch (IOException e) {<a name="line.971"></a> |
| <span class="sourceLineNo">972</span> LOG.warn("Unable to roll the log", e);<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> return false;<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> }<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> }<a name="line.975"></a> |
| <span class="sourceLineNo">976</span><a name="line.976"></a> |
| <span class="sourceLineNo">977</span> public long getMillisToNextPeriodicRoll() {<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> if (lastRollTs.get() > 0 && periodicRollMsec > 0) {<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> return periodicRollMsec - getMillisFromLastRoll();<a name="line.979"></a> |
| <span class="sourceLineNo">980</span> }<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> return Long.MAX_VALUE;<a name="line.981"></a> |
| <span class="sourceLineNo">982</span> }<a name="line.982"></a> |
| <span class="sourceLineNo">983</span><a name="line.983"></a> |
| <span class="sourceLineNo">984</span> public long getMillisFromLastRoll() {<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> return (EnvironmentEdgeManager.currentTime() - lastRollTs.get());<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> }<a name="line.986"></a> |
| <span class="sourceLineNo">987</span><a name="line.987"></a> |
| <span class="sourceLineNo">988</span> void periodicRollForTesting() throws IOException {<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> lock.lock();<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> try {<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> periodicRoll();<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> } finally {<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> lock.unlock();<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> }<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> }<a name="line.995"></a> |
| <span class="sourceLineNo">996</span><a name="line.996"></a> |
| <span class="sourceLineNo">997</span> public boolean rollWriterForTesting() throws IOException {<a name="line.997"></a> |
| <span class="sourceLineNo">998</span> lock.lock();<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> try {<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> return rollWriter();<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> } finally {<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> lock.unlock();<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> }<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> }<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span><a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> void removeInactiveLogsForTesting() throws Exception {<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> lock.lock();<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> try {<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span> removeInactiveLogs();<a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> } finally {<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> lock.unlock();<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> }<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> }<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span><a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> private void periodicRoll() throws IOException {<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> if (storeTracker.isEmpty()) {<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> LOG.trace("no active procedures");<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> tryRollWriter();<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> removeAllLogs(flushLogId - 1, "no active procedures");<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> } else {<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> if (storeTracker.isAllModified()) {<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> LOG.trace("all the active procedures are in the latest log");<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span> removeAllLogs(flushLogId - 1, "all the active procedures are in the latest log");<a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> }<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span><a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> // if the log size has exceeded the roll threshold<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> // or the periodic roll timeout is expired, try to roll the wal.<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> if (totalSynced.get() > rollThreshold || getMillisToNextPeriodicRoll() <= 0) {<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> tryRollWriter();<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> }<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span><a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> removeInactiveLogs();<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> }<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> }<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span><a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> private boolean rollWriter() throws IOException {<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> if (!isRunning()) {<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> return false;<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span> }<a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span><a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> // Create new state-log<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> if (!rollWriter(flushLogId + 1)) {<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> LOG.warn("someone else has already created log {}", flushLogId);<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> return false;<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> }<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span><a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span> // We have the lease on the log,<a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> // but we should check if someone else has created new files<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> if (getMaxLogId(getLogFiles()) > flushLogId) {<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> LOG.warn("Someone else created new logs. Expected maxLogId < {}", flushLogId);<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> logs.getLast().removeFile(this.walArchiveDir);<a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> return false;<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> }<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span><a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> // We have the lease on the log<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> return true;<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> }<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span><a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> boolean rollWriter(long logId) throws IOException {<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> assert logId > flushLogId : "logId=" + logId + " flushLogId=" + flushLogId;<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> assert lock.isHeldByCurrentThread() : "expected to be the lock owner. " + lock.isLocked();<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span><a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> ProcedureWALHeader header = ProcedureWALHeader.newBuilder()<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> .setVersion(ProcedureWALFormat.HEADER_VERSION)<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> .setType(ProcedureWALFormat.LOG_TYPE_STREAM)<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> .setMinProcId(storeTracker.getActiveMinProcId())<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> .setLogId(logId)<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> .build();<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span><a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> FSDataOutputStream newStream = null;<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span> Path newLogFile = null;<a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> long startPos = -1;<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> newLogFile = getLogFilePath(logId);<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span> try {<a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> FSDataOutputStreamBuilder<?, ?> builder = fs.createFile(newLogFile).overwrite(false);<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span> if (builder instanceof DistributedFileSystem.HdfsDataOutputStreamBuilder) {<a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> newStream = ((DistributedFileSystem.HdfsDataOutputStreamBuilder) builder)<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> .replicate().build();<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> } else {<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> newStream = builder.build();<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> }<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> } catch (FileAlreadyExistsException e) {<a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> LOG.error("Log file with id={} already exists", logId, e);<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> return false;<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> } catch (RemoteException re) {<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span> LOG.warn("failed to create log file with id={}", logId, re);<a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> return false;<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> }<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> // After we create the stream but before we attempt to use it at all<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> // ensure that we can provide the level of data safety we're configured<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> // to provide.<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> final String durability = useHsync ? StreamCapabilities.HSYNC : StreamCapabilities.HFLUSH;<a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> if (enforceStreamCapability && !newStream.hasCapability(durability)) {<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> throw new IllegalStateException("The procedure WAL relies on the ability to " + durability +<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> " for proper operation during component failures, but the underlying filesystem does " +<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span> "not support doing so. Please check the config value of '" + USE_HSYNC_CONF_KEY +<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span> "' to set the desired level of robustness and ensure the config value of '" +<a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span> CommonFSUtils.HBASE_WAL_DIR + "' points to a FileSystem mount that can provide it.");<a name="line.1098"></a> |
| <span class="sourceLineNo">1099</span> }<a name="line.1099"></a> |
| <span class="sourceLineNo">1100</span> try {<a name="line.1100"></a> |
| <span class="sourceLineNo">1101</span> ProcedureWALFormat.writeHeader(newStream, header);<a name="line.1101"></a> |
| <span class="sourceLineNo">1102</span> startPos = newStream.getPos();<a name="line.1102"></a> |
| <span class="sourceLineNo">1103</span> } catch (IOException ioe) {<a name="line.1103"></a> |
| <span class="sourceLineNo">1104</span> LOG.warn("Encountered exception writing header", ioe);<a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span> newStream.close();<a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> return false;<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> }<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span><a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> closeCurrentLogStream(false);<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span><a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> storeTracker.resetModified();<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> stream = newStream;<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> flushLogId = logId;<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span> totalSynced.set(0);<a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> long rollTs = EnvironmentEdgeManager.currentTime();<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> lastRollTs.set(rollTs);<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> logs.add(new ProcedureWALFile(fs, newLogFile, header, startPos, rollTs));<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span><a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> // if it's the first next WAL being added, build the holding cleanup tracker<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> if (logs.size() == 2) {<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> buildHoldingCleanupTracker();<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> } else if (logs.size() > walCountWarnThreshold) {<a name="line.1122"></a> |
| <span class="sourceLineNo">1123</span> LOG.warn("procedure WALs count={} above the warning threshold {}. check running procedures" +<a name="line.1123"></a> |
| <span class="sourceLineNo">1124</span> " to see if something is stuck.", logs.size(), walCountWarnThreshold);<a name="line.1124"></a> |
| <span class="sourceLineNo">1125</span> // This is just like what we have done at RS side when there are too many wal files. For RS,<a name="line.1125"></a> |
| <span class="sourceLineNo">1126</span> // if there are too many wal files, we will find out the wal entries in the oldest file, and<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span> // tell the upper layer to flush these regions so the wal entries will be useless and then we<a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span> // can delete the wal file. For WALProcedureStore, the assumption is that, if all the<a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> // procedures recorded in a proc wal file are modified or deleted in a new proc wal file, then<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span> // we are safe to delete it. So here if there are too many proc wal files, we will find out<a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> // the procedure ids in the oldest file, which are neither modified nor deleted in newer proc<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> // wal files, and tell upper layer to update the state of these procedures to the newest proc<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span> // wal file(by calling ProcedureStore.update), then we are safe to delete the oldest proc wal<a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span> // file.<a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> sendForceUpdateSignal(holdingCleanupTracker.getAllActiveProcIds());<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> }<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span><a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> LOG.info("Rolled new Procedure Store WAL, id={}", logId);<a name="line.1138"></a> |
| <span class="sourceLineNo">1139</span> return true;<a name="line.1139"></a> |
| <span class="sourceLineNo">1140</span> }<a name="line.1140"></a> |
| <span class="sourceLineNo">1141</span><a name="line.1141"></a> |
| <span class="sourceLineNo">1142</span> private void closeCurrentLogStream(boolean abort) {<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span> if (stream == null || logs.isEmpty()) {<a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span> return;<a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> }<a name="line.1145"></a> |
| <span class="sourceLineNo">1146</span><a name="line.1146"></a> |
| <span class="sourceLineNo">1147</span> try {<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> ProcedureWALFile log = logs.getLast();<a name="line.1148"></a> |
| <span class="sourceLineNo">1149</span> // If the loading flag is true, it usually means that we fail when loading procedures, so we<a name="line.1149"></a> |
| <span class="sourceLineNo">1150</span> // should not persist the store tracker, as its state may not be correct.<a name="line.1150"></a> |
| <span class="sourceLineNo">1151</span> if (!loading.get()) {<a name="line.1151"></a> |
| <span class="sourceLineNo">1152</span> log.setProcIds(storeTracker.getModifiedMinProcId(), storeTracker.getModifiedMaxProcId());<a name="line.1152"></a> |
| <span class="sourceLineNo">1153</span> log.updateLocalTracker(storeTracker);<a name="line.1153"></a> |
| <span class="sourceLineNo">1154</span> if (!abort) {<a name="line.1154"></a> |
| <span class="sourceLineNo">1155</span> long trailerSize = ProcedureWALFormat.writeTrailer(stream, storeTracker);<a name="line.1155"></a> |
| <span class="sourceLineNo">1156</span> log.addToSize(trailerSize);<a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> }<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span> }<a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> } catch (IOException | FSError e) {<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span> LOG.warn("Unable to write the trailer", e);<a name="line.1160"></a> |
| <span class="sourceLineNo">1161</span> }<a name="line.1161"></a> |
| <span class="sourceLineNo">1162</span> try {<a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span> stream.close();<a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span> } catch (IOException | FSError e) {<a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> LOG.error("Unable to close the stream", e);<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> }<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> stream = null;<a name="line.1167"></a> |
| <span class="sourceLineNo">1168</span> }<a name="line.1168"></a> |
| <span class="sourceLineNo">1169</span><a name="line.1169"></a> |
| <span class="sourceLineNo">1170</span> // ==========================================================================<a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> // Log Files cleaner helpers<a name="line.1171"></a> |
| <span class="sourceLineNo">1172</span> // ==========================================================================<a name="line.1172"></a> |
| <span class="sourceLineNo">1173</span> private void removeInactiveLogs() throws IOException {<a name="line.1173"></a> |
| <span class="sourceLineNo">1174</span> // We keep track of which procedures are holding the oldest WAL in 'holdingCleanupTracker'.<a name="line.1174"></a> |
| <span class="sourceLineNo">1175</span> // once there is nothing olding the oldest WAL we can remove it.<a name="line.1175"></a> |
| <span class="sourceLineNo">1176</span> while (logs.size() > 1 && holdingCleanupTracker.isEmpty()) {<a name="line.1176"></a> |
| <span class="sourceLineNo">1177</span> LOG.info("Remove the oldest log {}", logs.getFirst());<a name="line.1177"></a> |
| <span class="sourceLineNo">1178</span> removeLogFile(logs.getFirst(), walArchiveDir);<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> buildHoldingCleanupTracker();<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> }<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span><a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span> // TODO: In case we are holding up a lot of logs for long time we should<a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> // rewrite old procedures (in theory parent procs) to the new WAL.<a name="line.1183"></a> |
| <span class="sourceLineNo">1184</span> }<a name="line.1184"></a> |
| <span class="sourceLineNo">1185</span><a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> private void buildHoldingCleanupTracker() {<a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> if (logs.size() <= 1) {<a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> // we only have one wal, so nothing to do<a name="line.1188"></a> |
| <span class="sourceLineNo">1189</span> holdingCleanupTracker.reset();<a name="line.1189"></a> |
| <span class="sourceLineNo">1190</span> return;<a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> }<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span><a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span> // compute the holding tracker.<a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span> // - the first WAL is used for the 'updates'<a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span> // - the global tracker will be used to determine whether a procedure has been deleted<a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> // - other trackers will be used to determine whether a procedure has been updated, as a deleted<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span> // procedure can always be detected by checking the global tracker, we can save the deleted<a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span> // checks when applying other trackers<a name="line.1198"></a> |
| <span class="sourceLineNo">1199</span> holdingCleanupTracker.resetTo(logs.getFirst().getTracker(), true);<a name="line.1199"></a> |
| <span class="sourceLineNo">1200</span> holdingCleanupTracker.setDeletedIfDeletedByThem(storeTracker);<a name="line.1200"></a> |
| <span class="sourceLineNo">1201</span> // the logs is a linked list, so avoid calling get(index) on it.<a name="line.1201"></a> |
| <span class="sourceLineNo">1202</span> Iterator<ProcedureWALFile> iter = logs.iterator();<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span> // skip the tracker for the first file when creating the iterator.<a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> iter.next();<a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> ProcedureStoreTracker tracker = iter.next().getTracker();<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span> // testing iter.hasNext after calling iter.next to skip applying the tracker for last file,<a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> // which is just the storeTracker above.<a name="line.1207"></a> |
| <span class="sourceLineNo">1208</span> while (iter.hasNext()) {<a name="line.1208"></a> |
| <span class="sourceLineNo">1209</span> holdingCleanupTracker.setDeletedIfModifiedInBoth(tracker);<a name="line.1209"></a> |
| <span class="sourceLineNo">1210</span> if (holdingCleanupTracker.isEmpty()) {<a name="line.1210"></a> |
| <span class="sourceLineNo">1211</span> break;<a name="line.1211"></a> |
| <span class="sourceLineNo">1212</span> }<a name="line.1212"></a> |
| <span class="sourceLineNo">1213</span> tracker = iter.next().getTracker();<a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> }<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> }<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span><a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span> /**<a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> * Remove all logs with logId <= {@code lastLogId}.<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> */<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span> private void removeAllLogs(long lastLogId, String why) {<a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span> if (logs.size() <= 1) {<a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span> return;<a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span> }<a name="line.1223"></a> |
| <span class="sourceLineNo">1224</span><a name="line.1224"></a> |
| <span class="sourceLineNo">1225</span> LOG.info("Remove all state logs with ID less than {}, since {}", lastLogId, why);<a name="line.1225"></a> |
| <span class="sourceLineNo">1226</span><a name="line.1226"></a> |
| <span class="sourceLineNo">1227</span> boolean removed = false;<a name="line.1227"></a> |
| <span class="sourceLineNo">1228</span> while (logs.size() > 1) {<a name="line.1228"></a> |
| <span class="sourceLineNo">1229</span> ProcedureWALFile log = logs.getFirst();<a name="line.1229"></a> |
| <span class="sourceLineNo">1230</span> if (lastLogId < log.getLogId()) {<a name="line.1230"></a> |
| <span class="sourceLineNo">1231</span> break;<a name="line.1231"></a> |
| <span class="sourceLineNo">1232</span> }<a name="line.1232"></a> |
| <span class="sourceLineNo">1233</span> removeLogFile(log, walArchiveDir);<a name="line.1233"></a> |
| <span class="sourceLineNo">1234</span> removed = true;<a name="line.1234"></a> |
| <span class="sourceLineNo">1235</span> }<a name="line.1235"></a> |
| <span class="sourceLineNo">1236</span><a name="line.1236"></a> |
| <span class="sourceLineNo">1237</span> if (removed) {<a name="line.1237"></a> |
| <span class="sourceLineNo">1238</span> buildHoldingCleanupTracker();<a name="line.1238"></a> |
| <span class="sourceLineNo">1239</span> }<a name="line.1239"></a> |
| <span class="sourceLineNo">1240</span> }<a name="line.1240"></a> |
| <span class="sourceLineNo">1241</span><a name="line.1241"></a> |
| <span class="sourceLineNo">1242</span> private boolean removeLogFile(final ProcedureWALFile log, final Path walArchiveDir) {<a name="line.1242"></a> |
| <span class="sourceLineNo">1243</span> try {<a name="line.1243"></a> |
| <span class="sourceLineNo">1244</span> LOG.trace("Removing log={}", log);<a name="line.1244"></a> |
| <span class="sourceLineNo">1245</span> log.removeFile(walArchiveDir);<a name="line.1245"></a> |
| <span class="sourceLineNo">1246</span> logs.remove(log);<a name="line.1246"></a> |
| <span class="sourceLineNo">1247</span> LOG.debug("Removed log={}, activeLogs={}", log, logs);<a name="line.1247"></a> |
| <span class="sourceLineNo">1248</span> assert logs.size() > 0 : "expected at least one log";<a name="line.1248"></a> |
| <span class="sourceLineNo">1249</span> } catch (IOException e) {<a name="line.1249"></a> |
| <span class="sourceLineNo">1250</span> LOG.error("Unable to remove log: " + log, e);<a name="line.1250"></a> |
| <span class="sourceLineNo">1251</span> return false;<a name="line.1251"></a> |
| <span class="sourceLineNo">1252</span> }<a name="line.1252"></a> |
| <span class="sourceLineNo">1253</span> return true;<a name="line.1253"></a> |
| <span class="sourceLineNo">1254</span> }<a name="line.1254"></a> |
| <span class="sourceLineNo">1255</span><a name="line.1255"></a> |
| <span class="sourceLineNo">1256</span> // ==========================================================================<a name="line.1256"></a> |
| <span class="sourceLineNo">1257</span> // FileSystem Log Files helpers<a name="line.1257"></a> |
| <span class="sourceLineNo">1258</span> // ==========================================================================<a name="line.1258"></a> |
| <span class="sourceLineNo">1259</span> public Path getWALDir() {<a name="line.1259"></a> |
| <span class="sourceLineNo">1260</span> return this.walDir;<a name="line.1260"></a> |
| <span class="sourceLineNo">1261</span> }<a name="line.1261"></a> |
| <span class="sourceLineNo">1262</span><a name="line.1262"></a> |
| <span class="sourceLineNo">1263</span> Path getWalArchiveDir() {<a name="line.1263"></a> |
| <span class="sourceLineNo">1264</span> return this.walArchiveDir;<a name="line.1264"></a> |
| <span class="sourceLineNo">1265</span> }<a name="line.1265"></a> |
| <span class="sourceLineNo">1266</span><a name="line.1266"></a> |
| <span class="sourceLineNo">1267</span> public FileSystem getFileSystem() {<a name="line.1267"></a> |
| <span class="sourceLineNo">1268</span> return this.fs;<a name="line.1268"></a> |
| <span class="sourceLineNo">1269</span> }<a name="line.1269"></a> |
| <span class="sourceLineNo">1270</span><a name="line.1270"></a> |
| <span class="sourceLineNo">1271</span> protected Path getLogFilePath(final long logId) throws IOException {<a name="line.1271"></a> |
| <span class="sourceLineNo">1272</span> return new Path(walDir, String.format(LOG_PREFIX + "%020d.log", logId));<a name="line.1272"></a> |
| <span class="sourceLineNo">1273</span> }<a name="line.1273"></a> |
| <span class="sourceLineNo">1274</span><a name="line.1274"></a> |
| <span class="sourceLineNo">1275</span> private static long getLogIdFromName(final String name) {<a name="line.1275"></a> |
| <span class="sourceLineNo">1276</span> int end = name.lastIndexOf(".log");<a name="line.1276"></a> |
| <span class="sourceLineNo">1277</span> int start = name.lastIndexOf('-') + 1;<a name="line.1277"></a> |
| <span class="sourceLineNo">1278</span> return Long.parseLong(name.substring(start, end));<a name="line.1278"></a> |
| <span class="sourceLineNo">1279</span> }<a name="line.1279"></a> |
| <span class="sourceLineNo">1280</span><a name="line.1280"></a> |
| <span class="sourceLineNo">1281</span> private static final PathFilter WALS_PATH_FILTER = new PathFilter() {<a name="line.1281"></a> |
| <span class="sourceLineNo">1282</span> @Override<a name="line.1282"></a> |
| <span class="sourceLineNo">1283</span> public boolean accept(Path path) {<a name="line.1283"></a> |
| <span class="sourceLineNo">1284</span> String name = path.getName();<a name="line.1284"></a> |
| <span class="sourceLineNo">1285</span> return name.startsWith(LOG_PREFIX) && name.endsWith(".log");<a name="line.1285"></a> |
| <span class="sourceLineNo">1286</span> }<a name="line.1286"></a> |
| <span class="sourceLineNo">1287</span> };<a name="line.1287"></a> |
| <span class="sourceLineNo">1288</span><a name="line.1288"></a> |
| <span class="sourceLineNo">1289</span> private static final Comparator<FileStatus> FILE_STATUS_ID_COMPARATOR =<a name="line.1289"></a> |
| <span class="sourceLineNo">1290</span> new Comparator<FileStatus>() {<a name="line.1290"></a> |
| <span class="sourceLineNo">1291</span> @Override<a name="line.1291"></a> |
| <span class="sourceLineNo">1292</span> public int compare(FileStatus a, FileStatus b) {<a name="line.1292"></a> |
| <span class="sourceLineNo">1293</span> final long aId = getLogIdFromName(a.getPath().getName());<a name="line.1293"></a> |
| <span class="sourceLineNo">1294</span> final long bId = getLogIdFromName(b.getPath().getName());<a name="line.1294"></a> |
| <span class="sourceLineNo">1295</span> return Long.compare(aId, bId);<a name="line.1295"></a> |
| <span class="sourceLineNo">1296</span> }<a name="line.1296"></a> |
| <span class="sourceLineNo">1297</span> };<a name="line.1297"></a> |
| <span class="sourceLineNo">1298</span><a name="line.1298"></a> |
| <span class="sourceLineNo">1299</span> private FileStatus[] getLogFiles() throws IOException {<a name="line.1299"></a> |
| <span class="sourceLineNo">1300</span> try {<a name="line.1300"></a> |
| <span class="sourceLineNo">1301</span> FileStatus[] files = fs.listStatus(walDir, WALS_PATH_FILTER);<a name="line.1301"></a> |
| <span class="sourceLineNo">1302</span> Arrays.sort(files, FILE_STATUS_ID_COMPARATOR);<a name="line.1302"></a> |
| <span class="sourceLineNo">1303</span> return files;<a name="line.1303"></a> |
| <span class="sourceLineNo">1304</span> } catch (FileNotFoundException e) {<a name="line.1304"></a> |
| <span class="sourceLineNo">1305</span> LOG.warn("Log directory not found: " + e.getMessage());<a name="line.1305"></a> |
| <span class="sourceLineNo">1306</span> return null;<a name="line.1306"></a> |
| <span class="sourceLineNo">1307</span> }<a name="line.1307"></a> |
| <span class="sourceLineNo">1308</span> }<a name="line.1308"></a> |
| <span class="sourceLineNo">1309</span><a name="line.1309"></a> |
| <span class="sourceLineNo">1310</span> /**<a name="line.1310"></a> |
| <span class="sourceLineNo">1311</span> * Make sure that the file set are gotten by calling {@link #getLogFiles()}, where we will sort<a name="line.1311"></a> |
| <span class="sourceLineNo">1312</span> * the file set by log id.<a name="line.1312"></a> |
| <span class="sourceLineNo">1313</span> * @return Max-LogID of the specified log file set<a name="line.1313"></a> |
| <span class="sourceLineNo">1314</span> */<a name="line.1314"></a> |
| <span class="sourceLineNo">1315</span> private static long getMaxLogId(FileStatus[] logFiles) {<a name="line.1315"></a> |
| <span class="sourceLineNo">1316</span> if (logFiles == null || logFiles.length == 0) {<a name="line.1316"></a> |
| <span class="sourceLineNo">1317</span> return 0L;<a name="line.1317"></a> |
| <span class="sourceLineNo">1318</span> }<a name="line.1318"></a> |
| <span class="sourceLineNo">1319</span> return getLogIdFromName(logFiles[logFiles.length - 1].getPath().getName());<a name="line.1319"></a> |
| <span class="sourceLineNo">1320</span> }<a name="line.1320"></a> |
| <span class="sourceLineNo">1321</span><a name="line.1321"></a> |
| <span class="sourceLineNo">1322</span> /**<a name="line.1322"></a> |
| <span class="sourceLineNo">1323</span> * Make sure that the file set are gotten by calling {@link #getLogFiles()}, where we will sort<a name="line.1323"></a> |
| <span class="sourceLineNo">1324</span> * the file set by log id.<a name="line.1324"></a> |
| <span class="sourceLineNo">1325</span> * @return Max-LogID of the specified log file set<a name="line.1325"></a> |
| <span class="sourceLineNo">1326</span> */<a name="line.1326"></a> |
| <span class="sourceLineNo">1327</span> private long initOldLogs(FileStatus[] logFiles) throws IOException {<a name="line.1327"></a> |
| <span class="sourceLineNo">1328</span> if (logFiles == null || logFiles.length == 0) {<a name="line.1328"></a> |
| <span class="sourceLineNo">1329</span> return 0L;<a name="line.1329"></a> |
| <span class="sourceLineNo">1330</span> }<a name="line.1330"></a> |
| <span class="sourceLineNo">1331</span> long maxLogId = 0;<a name="line.1331"></a> |
| <span class="sourceLineNo">1332</span> for (int i = 0; i < logFiles.length; ++i) {<a name="line.1332"></a> |
| <span class="sourceLineNo">1333</span> final Path logPath = logFiles[i].getPath();<a name="line.1333"></a> |
| <span class="sourceLineNo">1334</span> leaseRecovery.recoverFileLease(fs, logPath);<a name="line.1334"></a> |
| <span class="sourceLineNo">1335</span> if (!isRunning()) {<a name="line.1335"></a> |
| <span class="sourceLineNo">1336</span> throw new IOException("wal aborting");<a name="line.1336"></a> |
| <span class="sourceLineNo">1337</span> }<a name="line.1337"></a> |
| <span class="sourceLineNo">1338</span><a name="line.1338"></a> |
| <span class="sourceLineNo">1339</span> maxLogId = Math.max(maxLogId, getLogIdFromName(logPath.getName()));<a name="line.1339"></a> |
| <span class="sourceLineNo">1340</span> ProcedureWALFile log = initOldLog(logFiles[i], this.walArchiveDir);<a name="line.1340"></a> |
| <span class="sourceLineNo">1341</span> if (log != null) {<a name="line.1341"></a> |
| <span class="sourceLineNo">1342</span> this.logs.add(log);<a name="line.1342"></a> |
| <span class="sourceLineNo">1343</span> }<a name="line.1343"></a> |
| <span class="sourceLineNo">1344</span> }<a name="line.1344"></a> |
| <span class="sourceLineNo">1345</span> initTrackerFromOldLogs();<a name="line.1345"></a> |
| <span class="sourceLineNo">1346</span> return maxLogId;<a name="line.1346"></a> |
| <span class="sourceLineNo">1347</span> }<a name="line.1347"></a> |
| <span class="sourceLineNo">1348</span><a name="line.1348"></a> |
| <span class="sourceLineNo">1349</span> /**<a name="line.1349"></a> |
| <span class="sourceLineNo">1350</span> * If last log's tracker is not null, use it as {@link #storeTracker}. Otherwise, set storeTracker<a name="line.1350"></a> |
| <span class="sourceLineNo">1351</span> * as partial, and let {@link ProcedureWALFormatReader} rebuild it using entries in the log.<a name="line.1351"></a> |
| <span class="sourceLineNo">1352</span> */<a name="line.1352"></a> |
| <span class="sourceLineNo">1353</span> private void initTrackerFromOldLogs() {<a name="line.1353"></a> |
| <span class="sourceLineNo">1354</span> if (logs.isEmpty() || !isRunning()) {<a name="line.1354"></a> |
| <span class="sourceLineNo">1355</span> return;<a name="line.1355"></a> |
| <span class="sourceLineNo">1356</span> }<a name="line.1356"></a> |
| <span class="sourceLineNo">1357</span> ProcedureWALFile log = logs.getLast();<a name="line.1357"></a> |
| <span class="sourceLineNo">1358</span> if (!log.getTracker().isPartial()) {<a name="line.1358"></a> |
| <span class="sourceLineNo">1359</span> storeTracker.resetTo(log.getTracker());<a name="line.1359"></a> |
| <span class="sourceLineNo">1360</span> } else {<a name="line.1360"></a> |
| <span class="sourceLineNo">1361</span> storeTracker.reset();<a name="line.1361"></a> |
| <span class="sourceLineNo">1362</span> storeTracker.setPartialFlag(true);<a name="line.1362"></a> |
| <span class="sourceLineNo">1363</span> }<a name="line.1363"></a> |
| <span class="sourceLineNo">1364</span> }<a name="line.1364"></a> |
| <span class="sourceLineNo">1365</span><a name="line.1365"></a> |
| <span class="sourceLineNo">1366</span> /**<a name="line.1366"></a> |
| <span class="sourceLineNo">1367</span> * Loads given log file and it's tracker.<a name="line.1367"></a> |
| <span class="sourceLineNo">1368</span> */<a name="line.1368"></a> |
| <span class="sourceLineNo">1369</span> private ProcedureWALFile initOldLog(final FileStatus logFile, final Path walArchiveDir)<a name="line.1369"></a> |
| <span class="sourceLineNo">1370</span> throws IOException {<a name="line.1370"></a> |
| <span class="sourceLineNo">1371</span> final ProcedureWALFile log = new ProcedureWALFile(fs, logFile);<a name="line.1371"></a> |
| <span class="sourceLineNo">1372</span> if (logFile.getLen() == 0) {<a name="line.1372"></a> |
| <span class="sourceLineNo">1373</span> LOG.warn("Remove uninitialized log: {}", logFile);<a name="line.1373"></a> |
| <span class="sourceLineNo">1374</span> log.removeFile(walArchiveDir);<a name="line.1374"></a> |
| <span class="sourceLineNo">1375</span> return null;<a name="line.1375"></a> |
| <span class="sourceLineNo">1376</span> }<a name="line.1376"></a> |
| <span class="sourceLineNo">1377</span> LOG.debug("Opening Pv2 {}", logFile);<a name="line.1377"></a> |
| <span class="sourceLineNo">1378</span> try {<a name="line.1378"></a> |
| <span class="sourceLineNo">1379</span> log.open();<a name="line.1379"></a> |
| <span class="sourceLineNo">1380</span> } catch (ProcedureWALFormat.InvalidWALDataException e) {<a name="line.1380"></a> |
| <span class="sourceLineNo">1381</span> LOG.warn("Remove uninitialized log: {}", logFile, e);<a name="line.1381"></a> |
| <span class="sourceLineNo">1382</span> log.removeFile(walArchiveDir);<a name="line.1382"></a> |
| <span class="sourceLineNo">1383</span> return null;<a name="line.1383"></a> |
| <span class="sourceLineNo">1384</span> } catch (IOException e) {<a name="line.1384"></a> |
| <span class="sourceLineNo">1385</span> String msg = "Unable to read state log: " + logFile;<a name="line.1385"></a> |
| <span class="sourceLineNo">1386</span> LOG.error(msg, e);<a name="line.1386"></a> |
| <span class="sourceLineNo">1387</span> throw new IOException(msg, e);<a name="line.1387"></a> |
| <span class="sourceLineNo">1388</span> }<a name="line.1388"></a> |
| <span class="sourceLineNo">1389</span><a name="line.1389"></a> |
| <span class="sourceLineNo">1390</span> try {<a name="line.1390"></a> |
| <span class="sourceLineNo">1391</span> log.readTracker();<a name="line.1391"></a> |
| <span class="sourceLineNo">1392</span> } catch (IOException e) {<a name="line.1392"></a> |
| <span class="sourceLineNo">1393</span> log.getTracker().reset();<a name="line.1393"></a> |
| <span class="sourceLineNo">1394</span> log.getTracker().setPartialFlag(true);<a name="line.1394"></a> |
| <span class="sourceLineNo">1395</span> LOG.warn("Unable to read tracker for {}", log, e);<a name="line.1395"></a> |
| <span class="sourceLineNo">1396</span> }<a name="line.1396"></a> |
| <span class="sourceLineNo">1397</span><a name="line.1397"></a> |
| <span class="sourceLineNo">1398</span> log.close();<a name="line.1398"></a> |
| <span class="sourceLineNo">1399</span> return log;<a name="line.1399"></a> |
| <span class="sourceLineNo">1400</span> }<a name="line.1400"></a> |
| <span class="sourceLineNo">1401</span><a name="line.1401"></a> |
| <span class="sourceLineNo">1402</span> /**<a name="line.1402"></a> |
| <span class="sourceLineNo">1403</span> * Parses a directory of WALs building up ProcedureState.<a name="line.1403"></a> |
| <span class="sourceLineNo">1404</span> * For testing parse and profiling.<a name="line.1404"></a> |
| <span class="sourceLineNo">1405</span> * @param args Include pointer to directory of WAL files for a store instance to parse & load.<a name="line.1405"></a> |
| <span class="sourceLineNo">1406</span> */<a name="line.1406"></a> |
| <span class="sourceLineNo">1407</span> public static void main(String [] args) throws IOException {<a name="line.1407"></a> |
| <span class="sourceLineNo">1408</span> Configuration conf = HBaseConfiguration.create();<a name="line.1408"></a> |
| <span class="sourceLineNo">1409</span> if (args == null || args.length != 1) {<a name="line.1409"></a> |
| <span class="sourceLineNo">1410</span> System.out.println("ERROR: Empty arguments list; pass path to MASTERPROCWALS_DIR.");<a name="line.1410"></a> |
| <span class="sourceLineNo">1411</span> System.out.println("Usage: WALProcedureStore MASTERPROCWALS_DIR");<a name="line.1411"></a> |
| <span class="sourceLineNo">1412</span> System.exit(-1);<a name="line.1412"></a> |
| <span class="sourceLineNo">1413</span> }<a name="line.1413"></a> |
| <span class="sourceLineNo">1414</span> WALProcedureStore store = new WALProcedureStore(conf, new Path(args[0]), null,<a name="line.1414"></a> |
| <span class="sourceLineNo">1415</span> new LeaseRecovery() {<a name="line.1415"></a> |
| <span class="sourceLineNo">1416</span> @Override<a name="line.1416"></a> |
| <span class="sourceLineNo">1417</span> public void recoverFileLease(FileSystem fs, Path path) throws IOException {<a name="line.1417"></a> |
| <span class="sourceLineNo">1418</span> // no-op<a name="line.1418"></a> |
| <span class="sourceLineNo">1419</span> }<a name="line.1419"></a> |
| <span class="sourceLineNo">1420</span> });<a name="line.1420"></a> |
| <span class="sourceLineNo">1421</span> try {<a name="line.1421"></a> |
| <span class="sourceLineNo">1422</span> store.start(16);<a name="line.1422"></a> |
| <span class="sourceLineNo">1423</span> ProcedureExecutor<?> pe = new ProcedureExecutor<>(conf, new Object()/*Pass anything*/, store);<a name="line.1423"></a> |
| <span class="sourceLineNo">1424</span> pe.init(1, true);<a name="line.1424"></a> |
| <span class="sourceLineNo">1425</span> } finally {<a name="line.1425"></a> |
| <span class="sourceLineNo">1426</span> store.stop(true);<a name="line.1426"></a> |
| <span class="sourceLineNo">1427</span> }<a name="line.1427"></a> |
| <span class="sourceLineNo">1428</span> }<a name="line.1428"></a> |
| <span class="sourceLineNo">1429</span>}<a name="line.1429"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
