| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.regionserver;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><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.Collection;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Comparator;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Iterator;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Optional;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.stream.Collectors;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.Cell;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionConfiguration;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.slf4j.Logger;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.slf4j.LoggerFactory;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableCollection;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>/**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Default implementation of StoreFileManager. Not thread-safe.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>@InterfaceAudience.Private<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>class DefaultStoreFileManager implements StoreFileManager {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private static final Logger LOG = LoggerFactory.getLogger(DefaultStoreFileManager.class);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private final CellComparator cellComparator;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private final CompactionConfiguration comConf;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final int blockingFileCount;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final Comparator<HStoreFile> storeFileComparator;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * List of store files inside this store. This is an immutable list that<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * is atomically replaced when its contents change.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private volatile ImmutableList<HStoreFile> storefiles = ImmutableList.of();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * List of compacted files inside this store that needs to be excluded in reads<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * because further new reads will be using only the newly created files out of compaction.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * These compacted files will be deleted/cleared once all the existing readers on these<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * compacted files are done.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private volatile ImmutableList<HStoreFile> compactedfiles = ImmutableList.of();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> public DefaultStoreFileManager(CellComparator cellComparator,<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> Comparator<HStoreFile> storeFileComparator, Configuration conf,<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> CompactionConfiguration comConf) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> this.cellComparator = cellComparator;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> this.storeFileComparator = storeFileComparator;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> this.comConf = comConf;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> this.blockingFileCount =<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> conf.getInt(HStore.BLOCKING_STOREFILES_KEY, HStore.DEFAULT_BLOCKING_STOREFILE_COUNT);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> @Override<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public void loadFiles(List<HStoreFile> storeFiles) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> this.storefiles = ImmutableList.sortedCopyOf(storeFileComparator, storeFiles);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @Override<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public final Collection<HStoreFile> getStorefiles() {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> return storefiles;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @Override<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public Collection<HStoreFile> getCompactedfiles() {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> return compactedfiles;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> @Override<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public void insertNewFiles(Collection<HStoreFile> sfs) throws IOException {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> this.storefiles =<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> ImmutableList.sortedCopyOf(storeFileComparator, Iterables.concat(this.storefiles, sfs));<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> @Override<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public ImmutableCollection<HStoreFile> clearFiles() {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> ImmutableList<HStoreFile> result = storefiles;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> storefiles = ImmutableList.of();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return result;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> @Override<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> public Collection<HStoreFile> clearCompactedFiles() {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> List<HStoreFile> result = compactedfiles;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> compactedfiles = ImmutableList.of();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> return result;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> @Override<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public final int getStorefileCount() {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> return storefiles.size();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> @Override<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> public final int getCompactedFilesCount() {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> return compactedfiles.size();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> @Override<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> public void addCompactionResults(Collection<HStoreFile> newCompactedfiles,<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> Collection<HStoreFile> results) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> this.storefiles = ImmutableList.sortedCopyOf(storeFileComparator, Iterables<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> .concat(Iterables.filter(storefiles, sf -> !newCompactedfiles.contains(sf)), results));<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // Mark the files as compactedAway once the storefiles and compactedfiles list is finalized<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // Let a background thread close the actual reader on these compacted files and also<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> // ensure to evict the blocks from block cache so that they are no longer in<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> // cache<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> newCompactedfiles.forEach(HStoreFile::markCompactedAway);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> this.compactedfiles = ImmutableList.sortedCopyOf(storeFileComparator,<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> Iterables.concat(this.compactedfiles, newCompactedfiles));<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> @Override<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> public void removeCompactedFiles(Collection<HStoreFile> removedCompactedfiles)<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> throws IOException {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> this.compactedfiles =<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> this.compactedfiles.stream().filter(sf -> !removedCompactedfiles.contains(sf))<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> .sorted(storeFileComparator).collect(ImmutableList.toImmutableList());<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> @Override<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> public final Iterator<HStoreFile> getCandidateFilesForRowKeyBefore(KeyValue targetKey) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> return this.storefiles.reverse().iterator();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> @Override<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public Iterator<HStoreFile> updateCandidateFilesForRowKeyBefore(<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> Iterator<HStoreFile> candidateFiles, KeyValue targetKey, Cell candidate) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> // Default store has nothing useful to do here.<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // TODO: move this comment when implementing Level:<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // Level store can trim the list by range, removing all the files which cannot have<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // any useful candidates less than "candidate".<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> return candidateFiles;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> @Override<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> public final Optional<byte[]> getSplitPoint() throws IOException {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> return StoreUtils.getSplitPoint(storefiles, cellComparator);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> @Override<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public final Collection<HStoreFile> getFilesForScan(byte[] startRow, boolean includeStartRow,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> byte[] stopRow, boolean includeStopRow) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> // We cannot provide any useful input and already have the files sorted by seqNum.<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> return getStorefiles();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> @Override<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> public int getStoreCompactionPriority() {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> int priority = blockingFileCount - storefiles.size();<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return (priority == HStore.PRIORITY_USER) ? priority + 1 : priority;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> @Override<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> public Collection<HStoreFile> getUnneededFiles(long maxTs, List<HStoreFile> filesCompacting) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> ImmutableList<HStoreFile> files = storefiles;<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> // 1) We can never get rid of the last file which has the maximum seqid.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // 2) Files that are not the latest can't become one due to (1), so the rest are fair game.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return files.stream().limit(Math.max(0, files.size() - 1)).filter(sf -> {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> long fileTs = sf.getReader().getMaxTimestamp();<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> if (fileTs < maxTs && !filesCompacting.contains(sf)) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> LOG.info("Found an expired store file {} whose maxTimestamp is {}, which is below {}",<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> sf.getPath(), fileTs, maxTs);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return true;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> } else {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> return false;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }).collect(Collectors.toList());<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> @Override<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> public double getCompactionPressure() {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> int storefileCount = getStorefileCount();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> int minFilesToCompact = comConf.getMinFilesToCompact();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> if (storefileCount <= minFilesToCompact) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> return 0.0;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> return (double) (storefileCount - minFilesToCompact) / (blockingFileCount - minFilesToCompact);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> @Override<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> public Comparator<HStoreFile> getStoreFileComparator() {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> return storeFileComparator;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span>}<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
