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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.regionserver.compactions;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.conf.Configuration;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.Path;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.regionserver.HStore;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.regionserver.ScanInfo;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.regionserver.ScanType;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.regionserver.StoreFileScanner;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.security.User;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<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><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>/**<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * This is the placeholder for stripe compactor. The implementation, as well as the proper javadoc,<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * will be added in HBASE-7967.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>@InterfaceAudience.Private<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class StripeCompactor extends AbstractMultiOutputCompactor<StripeMultiFileWriter> {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private static final Logger LOG = LoggerFactory.getLogger(StripeCompactor.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public StripeCompactor(Configuration conf, HStore store) {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> super(conf, store);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> }<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final class StripeInternalScannerFactory implements InternalScannerFactory {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private final byte[] majorRangeFromRow;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> private final byte[] majorRangeToRow;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public StripeInternalScannerFactory(byte[] majorRangeFromRow, byte[] majorRangeToRow) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> this.majorRangeFromRow = majorRangeFromRow;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> this.majorRangeToRow = majorRangeToRow;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> }<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> @Override<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public ScanType getScanType(CompactionRequestImpl request) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> // If majorRangeFromRow and majorRangeToRow are not null, then we will not use the return<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> // value to create InternalScanner. See the createScanner method below. The return value is<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // also used when calling coprocessor hooks.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> return ScanType.COMPACT_RETAIN_DELETES;<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> @Override<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public InternalScanner createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners,<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> ScanType scanType, FileDetails fd, long smallestReadPoint) throws IOException {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> return (majorRangeFromRow == null)<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> ? StripeCompactor.this.createScanner(store, scanInfo, scanners, scanType,<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> smallestReadPoint, fd.earliestPutTs)<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> : StripeCompactor.this.createScanner(store, scanInfo, scanners, smallestReadPoint,<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> fd.earliestPutTs, majorRangeFromRow, majorRangeToRow);<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><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public List<Path> compact(CompactionRequestImpl request, final List<byte[]> targetBoundaries,<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> final byte[] majorRangeFromRow, final byte[] majorRangeToRow,<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> ThroughputController throughputController, User user) throws IOException {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> if (LOG.isDebugEnabled()) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> StringBuilder sb = new StringBuilder();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> sb.append("Executing compaction with " + targetBoundaries.size() + " boundaries:");<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> for (byte[] tb : targetBoundaries) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> sb.append(" [").append(Bytes.toString(tb)).append("]");<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> LOG.debug(sb.toString());<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return compact(request, new StripeInternalScannerFactory(majorRangeFromRow, majorRangeToRow),<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> new CellSinkFactory<StripeMultiFileWriter>() {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> @Override<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public StripeMultiFileWriter createWriter(InternalScanner scanner, FileDetails fd,<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> boolean shouldDropBehind) throws IOException {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> StripeMultiFileWriter writer = new StripeMultiFileWriter.BoundaryMultiWriter(<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> store.getComparator(), targetBoundaries, majorRangeFromRow, majorRangeToRow);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> initMultiWriter(writer, scanner, fd, shouldDropBehind);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return writer;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }, throughputController, user);<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> public List<Path> compact(CompactionRequestImpl request, final int targetCount, final long targetSize,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> final byte[] left, final byte[] right, byte[] majorRangeFromRow, byte[] majorRangeToRow,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> ThroughputController throughputController, User user) throws IOException {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (LOG.isDebugEnabled()) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> LOG.debug(<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> "Executing compaction with " + targetSize + " target file size, no more than " + targetCount<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> + " files, in [" + Bytes.toString(left) + "] [" + Bytes.toString(right) + "] range");<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> return compact(request, new StripeInternalScannerFactory(majorRangeFromRow, majorRangeToRow),<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> new CellSinkFactory<StripeMultiFileWriter>() {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> @Override<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public StripeMultiFileWriter createWriter(InternalScanner scanner, FileDetails fd,<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> boolean shouldDropBehind) throws IOException {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> StripeMultiFileWriter writer = new StripeMultiFileWriter.SizeMultiWriter(<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> store.getComparator(), targetCount, targetSize, left, right);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> initMultiWriter(writer, scanner, fd, shouldDropBehind);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return writer;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }, throughputController, user);<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> protected List<Path> commitWriter(StripeMultiFileWriter writer, FileDetails fd,<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> CompactionRequestImpl request) throws IOException {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> List<Path> newFiles = writer.commitWriters(fd.maxSeqId, request.isMajor(), request.getFiles());<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> assert !newFiles.isEmpty() : "Should have produced an empty file to preserve metadata.";<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> return newFiles;<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span>}<a name="line.134"></a> |
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| </pre> |
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