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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.wal;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.wal.WALSplitUtil.getCompletedRecoveredEditsFilePath;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.wal.WALSplitUtil.getRegionSplitEditsPath;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.EOFException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayList;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.List;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Map;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.ConcurrentMap;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.CellUtil;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.log.HBaseMarkers;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.ipc.RemoteException;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.slf4j.Logger;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hbase.thirdparty.org.apache.commons.collections4.MapUtils;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43">@InterfaceAudience.Private</span> |
| <span class="source-line-no">044</span><span id="line-44">abstract class AbstractRecoveredEditsOutputSink extends OutputSink {</span> |
| <span class="source-line-no">045</span><span id="line-45"> private static final Logger LOG = LoggerFactory.getLogger(RecoveredEditsOutputSink.class);</span> |
| <span class="source-line-no">046</span><span id="line-46"> private final WALSplitter walSplitter;</span> |
| <span class="source-line-no">047</span><span id="line-47"> private final ConcurrentMap<String, Long> regionMaximumEditLogSeqNum = new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> public AbstractRecoveredEditsOutputSink(WALSplitter walSplitter,</span> |
| <span class="source-line-no">050</span><span id="line-50"> WALSplitter.PipelineController controller, EntryBuffers entryBuffers, int numWriters) {</span> |
| <span class="source-line-no">051</span><span id="line-51"> super(controller, entryBuffers, numWriters);</span> |
| <span class="source-line-no">052</span><span id="line-52"> this.walSplitter = walSplitter;</span> |
| <span class="source-line-no">053</span><span id="line-53"> }</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> /** Returns a writer that wraps a {@link WALProvider.Writer} and its Path. Caller should close. */</span> |
| <span class="source-line-no">056</span><span id="line-56"> protected RecoveredEditsWriter createRecoveredEditsWriter(TableName tableName, byte[] region,</span> |
| <span class="source-line-no">057</span><span id="line-57"> long seqId) throws IOException {</span> |
| <span class="source-line-no">058</span><span id="line-58"> Path regionEditsPath = getRegionSplitEditsPath(tableName, region, seqId,</span> |
| <span class="source-line-no">059</span><span id="line-59"> walSplitter.getFileBeingSplit().getPath().getName(), walSplitter.getTmpDirName(),</span> |
| <span class="source-line-no">060</span><span id="line-60"> walSplitter.conf);</span> |
| <span class="source-line-no">061</span><span id="line-61"> if (walSplitter.walFS.exists(regionEditsPath)) {</span> |
| <span class="source-line-no">062</span><span id="line-62"> LOG.warn("Found old edits file. It could be the "</span> |
| <span class="source-line-no">063</span><span id="line-63"> + "result of a previous failed split attempt. Deleting " + regionEditsPath + ", length="</span> |
| <span class="source-line-no">064</span><span id="line-64"> + walSplitter.walFS.getFileStatus(regionEditsPath).getLen());</span> |
| <span class="source-line-no">065</span><span id="line-65"> if (!walSplitter.walFS.delete(regionEditsPath, false)) {</span> |
| <span class="source-line-no">066</span><span id="line-66"> LOG.warn("Failed delete of old {}", regionEditsPath);</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"> WALProvider.Writer w = walSplitter.createWriter(regionEditsPath);</span> |
| <span class="source-line-no">070</span><span id="line-70"> final String msg = "Creating recovered edits writer path=" + regionEditsPath;</span> |
| <span class="source-line-no">071</span><span id="line-71"> LOG.info(msg);</span> |
| <span class="source-line-no">072</span><span id="line-72"> updateStatusWithMsg(msg);</span> |
| <span class="source-line-no">073</span><span id="line-73"> return new RecoveredEditsWriter(region, regionEditsPath, w, seqId);</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> protected Path closeRecoveredEditsWriter(RecoveredEditsWriter editsWriter,</span> |
| <span class="source-line-no">077</span><span id="line-77"> List<IOException> thrown) throws IOException {</span> |
| <span class="source-line-no">078</span><span id="line-78"> try {</span> |
| <span class="source-line-no">079</span><span id="line-79"> editsWriter.writer.close();</span> |
| <span class="source-line-no">080</span><span id="line-80"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> final String errorMsg = "Could not close recovered edits at " + editsWriter.path;</span> |
| <span class="source-line-no">082</span><span id="line-82"> LOG.error(errorMsg, ioe);</span> |
| <span class="source-line-no">083</span><span id="line-83"> updateStatusWithMsg(errorMsg);</span> |
| <span class="source-line-no">084</span><span id="line-84"> thrown.add(ioe);</span> |
| <span class="source-line-no">085</span><span id="line-85"> return null;</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> final String msg = "Closed recovered edits writer path=" + editsWriter.path + " (wrote "</span> |
| <span class="source-line-no">088</span><span id="line-88"> + editsWriter.editsWritten + " edits, skipped " + editsWriter.editsSkipped + " edits in "</span> |
| <span class="source-line-no">089</span><span id="line-89"> + (editsWriter.nanosSpent / 1000 / 1000) + " ms)";</span> |
| <span class="source-line-no">090</span><span id="line-90"> LOG.info(msg);</span> |
| <span class="source-line-no">091</span><span id="line-91"> updateStatusWithMsg(msg);</span> |
| <span class="source-line-no">092</span><span id="line-92"> if (editsWriter.editsWritten == 0) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> // just remove the empty recovered.edits file</span> |
| <span class="source-line-no">094</span><span id="line-94"> if (</span> |
| <span class="source-line-no">095</span><span id="line-95"> walSplitter.walFS.exists(editsWriter.path)</span> |
| <span class="source-line-no">096</span><span id="line-96"> && !walSplitter.walFS.delete(editsWriter.path, false)</span> |
| <span class="source-line-no">097</span><span id="line-97"> ) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> final String errorMsg = "Failed deleting empty " + editsWriter.path;</span> |
| <span class="source-line-no">099</span><span id="line-99"> LOG.warn(errorMsg);</span> |
| <span class="source-line-no">100</span><span id="line-100"> updateStatusWithMsg(errorMsg);</span> |
| <span class="source-line-no">101</span><span id="line-101"> throw new IOException("Failed deleting empty " + editsWriter.path);</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> return null;</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> Path dst = getCompletedRecoveredEditsFilePath(editsWriter.path,</span> |
| <span class="source-line-no">107</span><span id="line-107"> regionMaximumEditLogSeqNum.get(Bytes.toString(editsWriter.encodedRegionName)));</span> |
| <span class="source-line-no">108</span><span id="line-108"> try {</span> |
| <span class="source-line-no">109</span><span id="line-109"> if (!dst.equals(editsWriter.path) && walSplitter.walFS.exists(dst)) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> deleteOneWithFewerEntries(editsWriter, dst);</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"> // Skip the unit tests which create a splitter that reads and</span> |
| <span class="source-line-no">113</span><span id="line-113"> // writes the data without touching disk.</span> |
| <span class="source-line-no">114</span><span id="line-114"> // TestHLogSplit#testThreading is an example.</span> |
| <span class="source-line-no">115</span><span id="line-115"> if (walSplitter.walFS.exists(editsWriter.path)) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> if (!walSplitter.walFS.rename(editsWriter.path, dst)) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> final String errorMsg =</span> |
| <span class="source-line-no">118</span><span id="line-118"> "Failed renaming recovered edits " + editsWriter.path + " to " + dst;</span> |
| <span class="source-line-no">119</span><span id="line-119"> updateStatusWithMsg(errorMsg);</span> |
| <span class="source-line-no">120</span><span id="line-120"> throw new IOException(errorMsg);</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"> final String renameEditMsg = "Rename recovered edits " + editsWriter.path + " to " + dst;</span> |
| <span class="source-line-no">123</span><span id="line-123"> LOG.info(renameEditMsg);</span> |
| <span class="source-line-no">124</span><span id="line-124"> updateStatusWithMsg(renameEditMsg);</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> final String errorMsg = "Could not rename recovered edits " + editsWriter.path + " to " + dst;</span> |
| <span class="source-line-no">128</span><span id="line-128"> LOG.error(errorMsg, ioe);</span> |
| <span class="source-line-no">129</span><span id="line-129"> updateStatusWithMsg(errorMsg);</span> |
| <span class="source-line-no">130</span><span id="line-130"> thrown.add(ioe);</span> |
| <span class="source-line-no">131</span><span id="line-131"> return null;</span> |
| <span class="source-line-no">132</span><span id="line-132"> }</span> |
| <span class="source-line-no">133</span><span id="line-133"> return dst;</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> @Override</span> |
| <span class="source-line-no">137</span><span id="line-137"> public boolean keepRegionEvent(WAL.Entry entry) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> ArrayList<Cell> cells = entry.getEdit().getCells();</span> |
| <span class="source-line-no">139</span><span id="line-139"> for (Cell cell : cells) {</span> |
| <span class="source-line-no">140</span><span id="line-140"> if (WALEdit.isCompactionMarker(cell)) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> return true;</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> return false;</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> /**</span> |
| <span class="source-line-no">148</span><span id="line-148"> * Update region's maximum edit log SeqNum.</span> |
| <span class="source-line-no">149</span><span id="line-149"> */</span> |
| <span class="source-line-no">150</span><span id="line-150"> void updateRegionMaximumEditLogSeqNum(WAL.Entry entry) {</span> |
| <span class="source-line-no">151</span><span id="line-151"> synchronized (regionMaximumEditLogSeqNum) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> String regionName = Bytes.toString(entry.getKey().getEncodedRegionName());</span> |
| <span class="source-line-no">153</span><span id="line-153"> Long currentMaxSeqNum = regionMaximumEditLogSeqNum.get(regionName);</span> |
| <span class="source-line-no">154</span><span id="line-154"> if (currentMaxSeqNum == null || entry.getKey().getSequenceId() > currentMaxSeqNum) {</span> |
| <span class="source-line-no">155</span><span id="line-155"> regionMaximumEditLogSeqNum.put(regionName, entry.getKey().getSequenceId());</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> // delete the one with fewer wal entries</span> |
| <span class="source-line-no">161</span><span id="line-161"> private void deleteOneWithFewerEntries(RecoveredEditsWriter editsWriter, Path dst)</span> |
| <span class="source-line-no">162</span><span id="line-162"> throws IOException {</span> |
| <span class="source-line-no">163</span><span id="line-163"> long dstMinLogSeqNum = -1L;</span> |
| <span class="source-line-no">164</span><span id="line-164"> try (WALStreamReader reader =</span> |
| <span class="source-line-no">165</span><span id="line-165"> walSplitter.getWalFactory().createStreamReader(walSplitter.walFS, dst)) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> WAL.Entry entry = reader.next();</span> |
| <span class="source-line-no">167</span><span id="line-167"> if (entry != null) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> dstMinLogSeqNum = entry.getKey().getSequenceId();</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> } catch (EOFException e) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> LOG.debug("Got EOF when reading first WAL entry from {}, an empty or broken WAL file?", dst,</span> |
| <span class="source-line-no">172</span><span id="line-172"> e);</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"> if (editsWriter.minLogSeqNum < dstMinLogSeqNum) {</span> |
| <span class="source-line-no">175</span><span id="line-175"> LOG.warn("Found existing old edits file. It could be the result of a previous failed"</span> |
| <span class="source-line-no">176</span><span id="line-176"> + " split attempt or we have duplicated wal entries. Deleting " + dst + ", length="</span> |
| <span class="source-line-no">177</span><span id="line-177"> + walSplitter.walFS.getFileStatus(dst).getLen());</span> |
| <span class="source-line-no">178</span><span id="line-178"> if (!walSplitter.walFS.delete(dst, false)) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> LOG.warn("Failed deleting of old {}", dst);</span> |
| <span class="source-line-no">180</span><span id="line-180"> throw new IOException("Failed deleting of old " + dst);</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> } else {</span> |
| <span class="source-line-no">183</span><span id="line-183"> LOG</span> |
| <span class="source-line-no">184</span><span id="line-184"> .warn("Found existing old edits file and we have less entries. Deleting " + editsWriter.path</span> |
| <span class="source-line-no">185</span><span id="line-185"> + ", length=" + walSplitter.walFS.getFileStatus(editsWriter.path).getLen());</span> |
| <span class="source-line-no">186</span><span id="line-186"> if (!walSplitter.walFS.delete(editsWriter.path, false)) {</span> |
| <span class="source-line-no">187</span><span id="line-187"> LOG.warn("Failed deleting of {}", editsWriter.path);</span> |
| <span class="source-line-no">188</span><span id="line-188"> throw new IOException("Failed deleting of " + editsWriter.path);</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> }</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"></span> |
| <span class="source-line-no">193</span><span id="line-193"> /**</span> |
| <span class="source-line-no">194</span><span id="line-194"> * Private data structure that wraps a {@link WALProvider.Writer} and its Path, also collecting</span> |
| <span class="source-line-no">195</span><span id="line-195"> * statistics about the data written to this output.</span> |
| <span class="source-line-no">196</span><span id="line-196"> */</span> |
| <span class="source-line-no">197</span><span id="line-197"> final class RecoveredEditsWriter {</span> |
| <span class="source-line-no">198</span><span id="line-198"> /* Count of edits written to this path */</span> |
| <span class="source-line-no">199</span><span id="line-199"> long editsWritten = 0;</span> |
| <span class="source-line-no">200</span><span id="line-200"> /* Count of edits skipped to this path */</span> |
| <span class="source-line-no">201</span><span id="line-201"> long editsSkipped = 0;</span> |
| <span class="source-line-no">202</span><span id="line-202"> /* Number of nanos spent writing to this log */</span> |
| <span class="source-line-no">203</span><span id="line-203"> long nanosSpent = 0;</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> final byte[] encodedRegionName;</span> |
| <span class="source-line-no">206</span><span id="line-206"> final Path path;</span> |
| <span class="source-line-no">207</span><span id="line-207"> final WALProvider.Writer writer;</span> |
| <span class="source-line-no">208</span><span id="line-208"> final long minLogSeqNum;</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> RecoveredEditsWriter(byte[] encodedRegionName, Path path, WALProvider.Writer writer,</span> |
| <span class="source-line-no">211</span><span id="line-211"> long minLogSeqNum) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> this.encodedRegionName = encodedRegionName;</span> |
| <span class="source-line-no">213</span><span id="line-213"> this.path = path;</span> |
| <span class="source-line-no">214</span><span id="line-214"> this.writer = writer;</span> |
| <span class="source-line-no">215</span><span id="line-215"> this.minLogSeqNum = minLogSeqNum;</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> private void incrementEdits(int edits) {</span> |
| <span class="source-line-no">219</span><span id="line-219"> editsWritten += edits;</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> private void incrementSkippedEdits(int skipped) {</span> |
| <span class="source-line-no">223</span><span id="line-223"> editsSkipped += skipped;</span> |
| <span class="source-line-no">224</span><span id="line-224"> totalSkippedEdits.addAndGet(skipped);</span> |
| <span class="source-line-no">225</span><span id="line-225"> }</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> private void incrementNanoTime(long nanos) {</span> |
| <span class="source-line-no">228</span><span id="line-228"> nanosSpent += nanos;</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"></span> |
| <span class="source-line-no">231</span><span id="line-231"> void writeRegionEntries(List<WAL.Entry> entries) throws IOException {</span> |
| <span class="source-line-no">232</span><span id="line-232"> long startTime = System.nanoTime();</span> |
| <span class="source-line-no">233</span><span id="line-233"> int editsCount = 0;</span> |
| <span class="source-line-no">234</span><span id="line-234"> for (WAL.Entry logEntry : entries) {</span> |
| <span class="source-line-no">235</span><span id="line-235"> filterCellByStore(logEntry);</span> |
| <span class="source-line-no">236</span><span id="line-236"> if (!logEntry.getEdit().isEmpty()) {</span> |
| <span class="source-line-no">237</span><span id="line-237"> try {</span> |
| <span class="source-line-no">238</span><span id="line-238"> writer.append(logEntry);</span> |
| <span class="source-line-no">239</span><span id="line-239"> } catch (IOException e) {</span> |
| <span class="source-line-no">240</span><span id="line-240"> logAndThrowWriterAppendFailure(logEntry, e);</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"> updateRegionMaximumEditLogSeqNum(logEntry);</span> |
| <span class="source-line-no">243</span><span id="line-243"> editsCount++;</span> |
| <span class="source-line-no">244</span><span id="line-244"> } else {</span> |
| <span class="source-line-no">245</span><span id="line-245"> incrementSkippedEdits(1);</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"> // Pass along summary statistics</span> |
| <span class="source-line-no">249</span><span id="line-249"> incrementEdits(editsCount);</span> |
| <span class="source-line-no">250</span><span id="line-250"> incrementNanoTime(System.nanoTime() - startTime);</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> private void logAndThrowWriterAppendFailure(WAL.Entry logEntry, IOException e)</span> |
| <span class="source-line-no">254</span><span id="line-254"> throws IOException {</span> |
| <span class="source-line-no">255</span><span id="line-255"> e = e instanceof RemoteException ? ((RemoteException) e).unwrapRemoteException() : e;</span> |
| <span class="source-line-no">256</span><span id="line-256"> final String errorMsg = "Failed to write log entry " + logEntry.toString() + " to log";</span> |
| <span class="source-line-no">257</span><span id="line-257"> LOG.error(HBaseMarkers.FATAL, errorMsg, e);</span> |
| <span class="source-line-no">258</span><span id="line-258"> updateStatusWithMsg(errorMsg);</span> |
| <span class="source-line-no">259</span><span id="line-259"> throw e;</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> private void filterCellByStore(WAL.Entry logEntry) {</span> |
| <span class="source-line-no">263</span><span id="line-263"> Map<byte[], Long> maxSeqIdInStores = walSplitter.getRegionMaxSeqIdInStores()</span> |
| <span class="source-line-no">264</span><span id="line-264"> .get(Bytes.toString(logEntry.getKey().getEncodedRegionName()));</span> |
| <span class="source-line-no">265</span><span id="line-265"> if (MapUtils.isEmpty(maxSeqIdInStores)) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> return;</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> // Create the array list for the cells that aren't filtered.</span> |
| <span class="source-line-no">269</span><span id="line-269"> // We make the assumption that most cells will be kept.</span> |
| <span class="source-line-no">270</span><span id="line-270"> ArrayList<Cell> keptCells = new ArrayList<>(logEntry.getEdit().getCells().size());</span> |
| <span class="source-line-no">271</span><span id="line-271"> for (Cell cell : logEntry.getEdit().getCells()) {</span> |
| <span class="source-line-no">272</span><span id="line-272"> if (WALEdit.isMetaEditFamily(cell)) {</span> |
| <span class="source-line-no">273</span><span id="line-273"> keptCells.add(cell);</span> |
| <span class="source-line-no">274</span><span id="line-274"> } else {</span> |
| <span class="source-line-no">275</span><span id="line-275"> byte[] family = CellUtil.cloneFamily(cell);</span> |
| <span class="source-line-no">276</span><span id="line-276"> Long maxSeqId = maxSeqIdInStores.get(family);</span> |
| <span class="source-line-no">277</span><span id="line-277"> // Do not skip cell even if maxSeqId is null. Maybe we are in a rolling upgrade,</span> |
| <span class="source-line-no">278</span><span id="line-278"> // or the master was crashed before and we can not get the information.</span> |
| <span class="source-line-no">279</span><span id="line-279"> if (maxSeqId == null || maxSeqId.longValue() < logEntry.getKey().getSequenceId()) {</span> |
| <span class="source-line-no">280</span><span id="line-280"> keptCells.add(cell);</span> |
| <span class="source-line-no">281</span><span id="line-281"> }</span> |
| <span class="source-line-no">282</span><span id="line-282"> }</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> // Anything in the keptCells array list is still live.</span> |
| <span class="source-line-no">286</span><span id="line-286"> // So rather than removing the cells from the array list</span> |
| <span class="source-line-no">287</span><span id="line-287"> // which would be an O(n^2) operation, we just replace the list</span> |
| <span class="source-line-no">288</span><span id="line-288"> logEntry.getEdit().setCells(keptCells);</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> }</span> |
| <span class="source-line-no">291</span><span id="line-291">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
