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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.codec;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.ByteArrayInputStream;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.ByteArrayOutputStream;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.slf4j.Logger;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.slf4j.LoggerFactory;<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.CellScanner;<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.codec.CellCodec;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.codec.KeyValueCodec;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.codec.MessageCodec;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.io.CellOutputStream;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<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> * Do basic codec performance eval.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>@InterfaceAudience.Public<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>public class CodecPerformance {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> /** @deprecated LOG variable would be made private. since 1.2, remove in 3.0 */<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> @Deprecated<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static final Logger LOG = LoggerFactory.getLogger(CodecPerformance.class);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> static Cell [] getCells(final int howMany) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> Cell [] cells = new Cell[howMany];<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> for (int i = 0; i < howMany; i++) {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> byte [] index = Bytes.toBytes(i);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> KeyValue kv = new KeyValue(index, Bytes.toBytes("f"), index, index);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> cells[i] = kv;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> }<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> return cells;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> static int getRoughSize(final Cell [] cells) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> int size = 0;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> for (Cell c: cells) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> size += c.getRowLength() + c.getFamilyLength() + c.getQualifierLength() + c.getValueLength();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> size += Bytes.SIZEOF_LONG + Bytes.SIZEOF_BYTE;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> return size;<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> static byte [] runEncoderTest(final int index, final int initialBufferSize,<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final ByteArrayOutputStream baos, final CellOutputStream encoder, final Cell [] cells)<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> throws IOException {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> for (int i = 0; i < cells.length; i++) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> encoder.write(cells[i]);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> encoder.flush();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> LOG.info("" + index + " encoded count=" + cells.length + " in " +<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> (EnvironmentEdgeManager.currentTime() - startTime) + "ms for encoder " + encoder);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // Ensure we did not have to grow the backing buffer.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> assertTrue(baos.size() < initialBufferSize);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return baos.toByteArray();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> static Cell [] runDecoderTest(final int index, final int count, final CellScanner decoder)<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> throws IOException {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> Cell [] cells = new Cell[count];<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> for (int i = 0; decoder.advance(); i++) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> cells[i] = decoder.current();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> LOG.info("" + index + " decoded count=" + cells.length + " in " +<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> (EnvironmentEdgeManager.currentTime() - startTime) + "ms for decoder " + decoder);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // Ensure we did not have to grow the backing buffer.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> assertTrue(cells.length == count);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> return cells;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> static void verifyCells(final Cell [] input, final Cell [] output) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> assertEquals(input.length, output.length);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> for (int i = 0; i < input.length; i ++) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> input[i].equals(output[i]);<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> static void doCodec(final Codec codec, final Cell [] cells, final int cycles, final int count,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> final int initialBufferSize)<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> throws IOException {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> byte [] bytes = null;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> Cell [] cellsDecoded = null;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> for (int i = 0; i < cycles; i++) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> ByteArrayOutputStream baos = new ByteArrayOutputStream(initialBufferSize);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Codec.Encoder encoder = codec.getEncoder(baos);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> bytes = runEncoderTest(i, initialBufferSize, baos, encoder, cells);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> for (int i = 0; i < cycles; i++) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> ByteArrayInputStream bais = new ByteArrayInputStream(bytes);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> Codec.Decoder decoder = codec.getDecoder(bais);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> cellsDecoded = CodecPerformance.runDecoderTest(i, count, decoder);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> verifyCells(cells, cellsDecoded);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> public static void main(String[] args) throws IOException {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // How many Cells to encode/decode on each cycle.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> final int count = 100000;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // How many times to do an operation; repeat gives hotspot chance to warm up.<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> final int cycles = 30;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> Cell [] cells = getCells(count);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> int size = getRoughSize(cells);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> int initialBufferSize = 2 * size; // Multiply by 2 to ensure we don't have to grow buffer<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> // Test KeyValue codec.<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> doCodec(new KeyValueCodec(), cells, cycles, count, initialBufferSize);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> doCodec(new CellCodec(), cells, cycles, count, initialBufferSize);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> doCodec(new MessageCodec(), cells, cycles, count, initialBufferSize);<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> |
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| </pre> |
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