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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.wal;<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.TableName.META_TABLE_NAME;<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.io.InterruptedIOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.HashMap;<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.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentMap;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ExecutionException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.Future;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicInteger;<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.Cell;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.CellComparatorImpl;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.MetaCellComparator;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.TableName;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.hfile.HFileContext;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.CellSet;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.StoreFileWriter;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.StoreUtils;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.wal.EntryBuffers.RegionEntryBuffer;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.slf4j.Logger;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.LoggerFactory;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span>/**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * A WALSplitter sink that outputs {@link org.apache.hadoop.hbase.io.hfile.HFile}s. Runs with a<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * bounded number of HFile writers at any one time rather than let the count run up.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @see BoundedRecoveredEditsOutputSink for a sink implementation that writes intermediate<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * recovered.edits files.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>@InterfaceAudience.Private<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>public class BoundedRecoveredHFilesOutputSink extends OutputSink {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final Logger LOG = LoggerFactory.getLogger(BoundedRecoveredHFilesOutputSink.class);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private final WALSplitter walSplitter;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // Since the splitting process may create multiple output files, we need a map<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // to track the output count of each region.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private ConcurrentMap<String, Long> regionEditsWrittenMap = new ConcurrentHashMap<>();<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // Need a counter to track the opening writers.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private final AtomicInteger openingWritersNum = new AtomicInteger(0);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public BoundedRecoveredHFilesOutputSink(WALSplitter walSplitter,<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> WALSplitter.PipelineController controller, EntryBuffers entryBuffers, int numWriters) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> super(controller, entryBuffers, numWriters);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> this.walSplitter = walSplitter;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @Override<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> void append(RegionEntryBuffer buffer) throws IOException {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> Map<String, CellSet> familyCells = new HashMap<>();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> Map<String, Long> familySeqIds = new HashMap<>();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> boolean isMetaTable = buffer.tableName.equals(META_TABLE_NAME);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> // First iterate all Cells to find which column families are present and to stamp Cell with<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // sequence id.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> for (WAL.Entry entry : buffer.entryBuffer) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> long seqId = entry.getKey().getSequenceId();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> List<Cell> cells = entry.getEdit().getCells();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> for (Cell cell : cells) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (CellUtil.matchingFamily(cell, WALEdit.METAFAMILY)) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> continue;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> PrivateCellUtil.setSequenceId(cell, seqId);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> String familyName = Bytes.toString(CellUtil.cloneFamily(cell));<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // comparator need to be specified for meta<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> familyCells<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> .computeIfAbsent(familyName,<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> key -> new CellSet(<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> isMetaTable ? MetaCellComparator.META_COMPARATOR : CellComparatorImpl.COMPARATOR))<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> .add(cell);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> familySeqIds.compute(familyName, (k, v) -> v == null ? seqId : Math.max(v, seqId));<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><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> // Create a new hfile writer for each column family, write edits then close writer.<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> String regionName = Bytes.toString(buffer.encodedRegionName);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> for (Map.Entry<String, CellSet> cellsEntry : familyCells.entrySet()) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> String familyName = cellsEntry.getKey();<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> StoreFileWriter writer = createRecoveredHFileWriter(buffer.tableName, regionName,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> familySeqIds.get(familyName), familyName, isMetaTable);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> LOG.trace("Created {}", writer.getPath());<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> openingWritersNum.incrementAndGet();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> try {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> for (Cell cell : cellsEntry.getValue()) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> writer.append(cell);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> // Append the max seqid to hfile, used when recovery.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> writer.appendMetadata(familySeqIds.get(familyName), false);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> regionEditsWrittenMap.compute(Bytes.toString(buffer.encodedRegionName),<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> (k, v) -> v == null ? buffer.entryBuffer.size() : v + buffer.entryBuffer.size());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> splits.add(writer.getPath());<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> openingWritersNum.decrementAndGet();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> } finally {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> writer.close();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> LOG.trace("Closed {}, edits={}", writer.getPath(), familyCells.size());<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> @Override<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public List<Path> close() throws IOException {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> boolean isSuccessful = true;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> try {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> isSuccessful = finishWriterThreads();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> } finally {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> isSuccessful &= writeRemainingEntryBuffers();<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> return isSuccessful ? splits : null;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /**<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * Write out the remaining RegionEntryBuffers and close the writers.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * @return true when there is no error.<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> */<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> private boolean writeRemainingEntryBuffers() throws IOException {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> for (EntryBuffers.RegionEntryBuffer buffer : entryBuffers.buffers.values()) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> closeCompletionService.submit(() -> {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> append(buffer);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return null;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> });<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> boolean progressFailed = false;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> try {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> for (int i = 0, n = entryBuffers.buffers.size(); i < n; i++) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Future<Void> future = closeCompletionService.take();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> future.get();<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (!progressFailed && reporter != null && !reporter.progress()) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> progressFailed = true;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> } catch (InterruptedException e) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> IOException iie = new InterruptedIOException();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> iie.initCause(e);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> throw iie;<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> } catch (ExecutionException e) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> throw new IOException(e.getCause());<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> } finally {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> closeThreadPool.shutdownNow();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> return !progressFailed;<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> @Override<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> public Map<String, Long> getOutputCounts() {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return regionEditsWrittenMap;<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 int getNumberOfRecoveredRegions() {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> return regionEditsWrittenMap.size();<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> @Override<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> int getNumOpenWriters() {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> return openingWritersNum.get();<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> @Override<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> boolean keepRegionEvent(Entry entry) {<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><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * @return Returns a base HFile without compressions or encodings; good enough for recovery given<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * hfile has metadata on how it was written.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> */<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> private StoreFileWriter createRecoveredHFileWriter(TableName tableName, String regionName,<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> long seqId, String familyName, boolean isMetaTable) throws IOException {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> Path outputDir = WALSplitUtil.tryCreateRecoveredHFilesDir(walSplitter.rootFS, walSplitter.conf,<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> tableName, regionName, familyName);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> StoreFileWriter.Builder writerBuilder =<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> new StoreFileWriter.Builder(walSplitter.conf, CacheConfig.DISABLED, walSplitter.rootFS)<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> .withOutputDir(outputDir);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> HFileContext hFileContext =<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> new HFileContextBuilder().withChecksumType(StoreUtils.getChecksumType(walSplitter.conf))<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> .withBytesPerCheckSum(StoreUtils.getBytesPerChecksum(walSplitter.conf)).withCellComparator(<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> isMetaTable ? MetaCellComparator.META_COMPARATOR : CellComparatorImpl.COMPARATOR)<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> .build();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return writerBuilder.withFileContext(hFileContext).build();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span>}<a name="line.208"></a> |
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| </pre> |
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| </body> |
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