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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.backup.impl;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.backup.BackupRestoreConstants.JOB_NAME_CONF_KEY;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.net.URI;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.net.URISyntaxException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Map;<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.TreeMap;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.commons.lang3.StringUtils;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.backup.BackupCopyJob;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.backup.BackupInfo.BackupPhase;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.backup.BackupRequest;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.backup.BackupRestoreFactory;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupCopyJob;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.mapreduce.WALPlayer;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.HFileArchiveUtil;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.util.Tool;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>/**<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * Incremental backup implementation. See the {@link #execute() execute} method.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class IncrementalTableBackupClient extends TableBackupClient {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final Logger LOG = LoggerFactory.getLogger(IncrementalTableBackupClient.class);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> protected IncrementalTableBackupClient() {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> public IncrementalTableBackupClient(final Connection conn, final String backupId,<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> BackupRequest request) throws IOException {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> super(conn, backupId, request);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> protected List<String> filterMissingFiles(List<String> incrBackupFileList) throws IOException {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> List<String> list = new ArrayList<>();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> for (String file : incrBackupFileList) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> Path p = new Path(file);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> if (fs.exists(p) || isActiveWalPath(p)) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> list.add(file);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> } else {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> LOG.warn("Can't find file: " + file);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> return list;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * Check if a given path is belongs to active WAL directory<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * @param p path<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @return true, if yes<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> */<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> protected boolean isActiveWalPath(Path p) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> return !AbstractFSWALProvider.isArchivedLogFile(p);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> protected static int getIndex(TableName tbl, List<TableName> sTableList) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> if (sTableList == null) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return 0;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> for (int i = 0; i < sTableList.size(); i++) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (tbl.equals(sTableList.get(i))) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> return i;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> return -1;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /*<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * Reads bulk load records from backup table, iterates through the records and forms the paths for<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * bulk loaded hfiles. Copies the bulk loaded hfiles to backup destination<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * @param sTableList list of tables to be backed up<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * @return map of table to List of files<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> */<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> @SuppressWarnings("unchecked")<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> protected Map<byte[], List<Path>>[] handleBulkLoad(List<TableName> sTableList)<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> throws IOException {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> Map<byte[], List<Path>>[] mapForSrc = new Map[sTableList.size()];<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> List<String> activeFiles = new ArrayList<>();<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> List<String> archiveFiles = new ArrayList<>();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> Pair<Map<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>>, List<byte[]>> pair =<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> backupManager.readBulkloadRows(sTableList);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> Map<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>> map = pair.getFirst();<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> FileSystem tgtFs;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> try {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> tgtFs = FileSystem.get(new URI(backupInfo.getBackupRootDir()), conf);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> } catch (URISyntaxException use) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> throw new IOException("Unable to get FileSystem", use);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> Path rootdir = CommonFSUtils.getRootDir(conf);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> Path tgtRoot = new Path(new Path(backupInfo.getBackupRootDir()), backupId);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> for (Map.Entry<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>> tblEntry : map<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> .entrySet()) {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> TableName srcTable = tblEntry.getKey();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> int srcIdx = getIndex(srcTable, sTableList);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> if (srcIdx < 0) {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> LOG.warn("Couldn't find " + srcTable + " in source table List");<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> continue;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (mapForSrc[srcIdx] == null) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> mapForSrc[srcIdx] = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Path tblDir = CommonFSUtils.getTableDir(rootdir, srcTable);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> Path tgtTable = new Path(new Path(tgtRoot, srcTable.getNamespaceAsString()),<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> srcTable.getQualifierAsString());<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> for (Map.Entry<String, Map<String, List<Pair<String, Boolean>>>> regionEntry : tblEntry<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> .getValue().entrySet()) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> String regionName = regionEntry.getKey();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> Path regionDir = new Path(tblDir, regionName);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> // map from family to List of hfiles<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> for (Map.Entry<String, List<Pair<String, Boolean>>> famEntry : regionEntry.getValue()<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> .entrySet()) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> String fam = famEntry.getKey();<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Path famDir = new Path(regionDir, fam);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> List<Path> files;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (!mapForSrc[srcIdx].containsKey(Bytes.toBytes(fam))) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> files = new ArrayList<>();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> mapForSrc[srcIdx].put(Bytes.toBytes(fam), files);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> } else {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> files = mapForSrc[srcIdx].get(Bytes.toBytes(fam));<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> Path archiveDir = HFileArchiveUtil.getStoreArchivePath(conf, srcTable, regionName, fam);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> String tblName = srcTable.getQualifierAsString();<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> Path tgtFam = new Path(new Path(tgtTable, regionName), fam);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> if (!tgtFs.mkdirs(tgtFam)) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> throw new IOException("couldn't create " + tgtFam);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> for (Pair<String, Boolean> fileWithState : famEntry.getValue()) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> String file = fileWithState.getFirst();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> int idx = file.lastIndexOf("/");<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> String filename = file;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> if (idx > 0) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> filename = file.substring(idx + 1);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> Path p = new Path(famDir, filename);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> Path tgt = new Path(tgtFam, filename);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> Path archive = new Path(archiveDir, filename);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (fs.exists(p)) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> if (LOG.isTraceEnabled()) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> LOG.trace("found bulk hfile " + file + " in " + famDir + " for " + tblName);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> if (LOG.isTraceEnabled()) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> LOG.trace("copying " + p + " to " + tgt);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> activeFiles.add(p.toString());<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> } else if (fs.exists(archive)) {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> LOG.debug("copying archive " + archive + " to " + tgt);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> archiveFiles.add(archive.toString());<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> files.add(tgt);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> copyBulkLoadedFiles(activeFiles, archiveFiles);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> backupManager.deleteBulkLoadedRows(pair.getSecond());<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> return mapForSrc;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> private void copyBulkLoadedFiles(List<String> activeFiles, List<String> archiveFiles)<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> throws IOException {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> try {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // Enable special mode of BackupDistCp<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> conf.setInt(MapReduceBackupCopyJob.NUMBER_OF_LEVELS_TO_PRESERVE_KEY, 5);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // Copy active files<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> String tgtDest = backupInfo.getBackupRootDir() + Path.SEPARATOR + backupInfo.getBackupId();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> int attempt = 1;<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> while (activeFiles.size() > 0) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> LOG.info("Copy " + activeFiles.size() + " active bulk loaded files. Attempt =" + attempt++);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> String[] toCopy = new String[activeFiles.size()];<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> activeFiles.toArray(toCopy);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // Active file can be archived during copy operation,<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // we need to handle this properly<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> try {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> incrementalCopyHFiles(toCopy, tgtDest);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> break;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> } catch (IOException e) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // Check if some files got archived<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // Update active and archived lists<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // When file is being moved from active to archive<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // directory, the number of active files decreases<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> int numOfActive = activeFiles.size();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> updateFileLists(activeFiles, archiveFiles);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> if (activeFiles.size() < numOfActive) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> continue;<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // if not - throw exception<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> throw e;<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // If incremental copy will fail for archived files<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // we will have partially loaded files in backup destination (only files from active data<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> // directory). It is OK, because the backup will marked as FAILED and data will be cleaned up<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (archiveFiles.size() > 0) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> String[] toCopy = new String[archiveFiles.size()];<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> archiveFiles.toArray(toCopy);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> incrementalCopyHFiles(toCopy, tgtDest);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> } finally {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> // Disable special mode of BackupDistCp<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> conf.unset(MapReduceBackupCopyJob.NUMBER_OF_LEVELS_TO_PRESERVE_KEY);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> private void updateFileLists(List<String> activeFiles, List<String> archiveFiles)<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> throws IOException {<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> List<String> newlyArchived = new ArrayList<>();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> for (String spath : activeFiles) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> if (!fs.exists(new Path(spath))) {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> newlyArchived.add(spath);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (newlyArchived.size() > 0) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> activeFiles.removeAll(newlyArchived);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> archiveFiles.addAll(newlyArchived);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> LOG.debug(newlyArchived.size() + " files have been archived.");<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> @Override<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> public void execute() throws IOException {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> try {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // case PREPARE_INCREMENTAL:<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> beginBackup(backupManager, backupInfo);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> backupInfo.setPhase(BackupPhase.PREPARE_INCREMENTAL);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> LOG.debug("For incremental backup, current table set is "<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> + backupManager.getIncrementalBackupTableSet());<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> newTimestamps = ((IncrementalBackupManager) backupManager).getIncrBackupLogFileMap();<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> } catch (Exception e) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // fail the overall backup and return<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> failBackup(conn, backupInfo, backupManager, e, "Unexpected Exception : ",<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> BackupType.INCREMENTAL, conf);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> throw new IOException(e);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span> // case INCREMENTAL_COPY:<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> try {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> // copy out the table and region info files for each table<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> BackupUtils.copyTableRegionInfo(conn, backupInfo, conf);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // convert WAL to HFiles and copy them to .tmp under BACKUP_ROOT<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> convertWALsToHFiles();<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> incrementalCopyHFiles(new String[] { getBulkOutputDir().toString() },<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> backupInfo.getBackupRootDir());<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> } catch (Exception e) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> String msg = "Unexpected exception in incremental-backup: incremental copy " + backupId;<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> // fail the overall backup and return<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> failBackup(conn, backupInfo, backupManager, e, msg, BackupType.INCREMENTAL, conf);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> throw new IOException(e);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> // case INCR_BACKUP_COMPLETE:<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // set overall backup status: complete. Here we make sure to complete the backup.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> // After this checkpoint, even if entering cancel process, will let the backup finished<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> try {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // Set the previousTimestampMap which is before this current log roll to the manifest.<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> Map<TableName, Map<String, Long>> previousTimestampMap = backupManager.readLogTimestampMap();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> backupInfo.setIncrTimestampMap(previousTimestampMap);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> // The table list in backupInfo is good for both full backup and incremental backup.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> // For incremental backup, it contains the incremental backup table set.<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> backupManager.writeRegionServerLogTimestamp(backupInfo.getTables(), newTimestamps);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> Map<TableName, Map<String, Long>> newTableSetTimestampMap =<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> backupManager.readLogTimestampMap();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> backupInfo.setTableSetTimestampMap(newTableSetTimestampMap);<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> Long newStartCode =<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> BackupUtils.getMinValue(BackupUtils.getRSLogTimestampMins(newTableSetTimestampMap));<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> backupManager.writeBackupStartCode(newStartCode);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> handleBulkLoad(backupInfo.getTableNames());<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> // backup complete<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> completeBackup(conn, backupInfo, backupManager, BackupType.INCREMENTAL, conf);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span><a name="line.314"></a> |
| <span class="sourceLineNo">315</span> } catch (IOException e) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> failBackup(conn, backupInfo, backupManager, e, "Unexpected Exception : ",<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> BackupType.INCREMENTAL, conf);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> throw new IOException(e);<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> protected void incrementalCopyHFiles(String[] files, String backupDest) throws IOException {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> try {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> LOG.debug("Incremental copy HFiles is starting. dest=" + backupDest);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> // set overall backup phase: incremental_copy<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> backupInfo.setPhase(BackupPhase.INCREMENTAL_COPY);<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> // get incremental backup file list and prepare parms for DistCp<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> String[] strArr = new String[files.length + 1];<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> System.arraycopy(files, 0, strArr, 0, files.length);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> strArr[strArr.length - 1] = backupDest;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span><a name="line.331"></a> |
| <span class="sourceLineNo">332</span> String jobname = "Incremental_Backup-HFileCopy-" + backupInfo.getBackupId();<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> if (LOG.isDebugEnabled()) {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> LOG.debug("Setting incremental copy HFiles job name to : " + jobname);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> conf.set(JOB_NAME_CONF_KEY, jobname);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> BackupCopyJob copyService = BackupRestoreFactory.getBackupCopyJob(conf);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> int res = copyService.copy(backupInfo, backupManager, conf, BackupType.INCREMENTAL, strArr);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> if (res != 0) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> LOG.error("Copy incremental HFile files failed with return code: " + res + ".");<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> throw new IOException(<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> "Failed copy from " + StringUtils.join(files, ',') + " to " + backupDest);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> LOG.debug("Incremental copy HFiles from " + StringUtils.join(files, ',') + " to " + backupDest<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> + " finished.");<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> } finally {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> deleteBulkLoadDirectory();<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> protected void deleteBulkLoadDirectory() throws IOException {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> // delete original bulk load directory on method exit<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> Path path = getBulkOutputDir();<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> FileSystem fs = FileSystem.get(path.toUri(), conf);<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> boolean result = fs.delete(path, true);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> if (!result) {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> LOG.warn("Could not delete " + path);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> }<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> protected void convertWALsToHFiles() throws IOException {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> // get incremental backup file list and prepare parameters for DistCp<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> List<String> incrBackupFileList = backupInfo.getIncrBackupFileList();<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> // Get list of tables in incremental backup set<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> Set<TableName> tableSet = backupManager.getIncrementalBackupTableSet();<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> // filter missing files out (they have been copied by previous backups)<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> incrBackupFileList = filterMissingFiles(incrBackupFileList);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> List<String> tableList = new ArrayList<String>();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> for (TableName table : tableSet) {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> // Check if table exists<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> if (tableExists(table, conn)) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> tableList.add(table.getNameAsString());<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> } else {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> LOG.warn("Table " + table + " does not exists. Skipping in WAL converter");<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> }<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> walToHFiles(incrBackupFileList, tableList);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span><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> protected boolean tableExists(TableName table, Connection conn) throws IOException {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> try (Admin admin = conn.getAdmin()) {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return admin.tableExists(table);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> }<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span><a name="line.387"></a> |
| <span class="sourceLineNo">388</span> protected void walToHFiles(List<String> dirPaths, List<String> tableList) throws IOException {<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> Tool player = new WALPlayer();<a name="line.389"></a> |
| <span class="sourceLineNo">390</span><a name="line.390"></a> |
| <span class="sourceLineNo">391</span> // Player reads all files in arbitrary directory structure and creates<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> // a Map task for each file. We use ';' as separator<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> // because WAL file names contains ','<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> String dirs = StringUtils.join(dirPaths, ';');<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> String jobname = "Incremental_Backup-" + backupId;<a name="line.395"></a> |
| <span class="sourceLineNo">396</span><a name="line.396"></a> |
| <span class="sourceLineNo">397</span> Path bulkOutputPath = getBulkOutputDir();<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> conf.set(WALPlayer.BULK_OUTPUT_CONF_KEY, bulkOutputPath.toString());<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> conf.set(WALPlayer.INPUT_FILES_SEPARATOR_KEY, ";");<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> conf.setBoolean(WALPlayer.MULTI_TABLES_SUPPORT, true);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> conf.set(JOB_NAME_CONF_KEY, jobname);<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> String[] playerArgs = { dirs, StringUtils.join(tableList, ",") };<a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> try {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> player.setConf(conf);<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> int result = player.run(playerArgs);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if (result != 0) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> throw new IOException("WAL Player failed");<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> }<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> conf.unset(WALPlayer.INPUT_FILES_SEPARATOR_KEY);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> conf.unset(JOB_NAME_CONF_KEY);<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> } catch (IOException e) {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> throw e;<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> } catch (Exception ee) {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> throw new IOException("Can not convert from directory " + dirs<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> + " (check Hadoop, HBase and WALPlayer M/R job logs) ", ee);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> }<a name="line.418"></a> |
| <span class="sourceLineNo">419</span><a name="line.419"></a> |
| <span class="sourceLineNo">420</span> protected Path getBulkOutputDirForTable(TableName table) {<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> Path tablePath = getBulkOutputDir();<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> tablePath = new Path(tablePath, table.getNamespaceAsString());<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> tablePath = new Path(tablePath, table.getQualifierAsString());<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> return new Path(tablePath, "data");<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span><a name="line.426"></a> |
| <span class="sourceLineNo">427</span> protected Path getBulkOutputDir() {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> String backupId = backupInfo.getBackupId();<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> Path path = new Path(backupInfo.getBackupRootDir());<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> path = new Path(path, ".tmp");<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> path = new Path(path, backupId);<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> return path;<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span>}<a name="line.434"></a> |
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| </html> |
