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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;<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.HTestConst.addContent;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.TableName;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.hfile.BlockCache;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.hfile.BlockCacheFactory;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.hfile.CacheStats;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<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.junit.Before;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.ClassRule;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.Test;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.experimental.categories.Category;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>@SuppressWarnings("deprecation")<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>@Category({ RegionServerTests.class, SmallTests.class })<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>public class TestBlocksScanned {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> @ClassRule<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> HBaseClassTestRule.forClass(TestBlocksScanned.class);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static byte[] FAMILY = Bytes.toBytes("family");<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static byte[] COL = Bytes.toBytes("col");<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private static byte[] START_KEY = Bytes.toBytes("aaa");<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private static byte[] END_KEY = Bytes.toBytes("zzz");<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static int BLOCK_SIZE = 70;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static HBaseTestingUtil TEST_UTIL = null;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private Configuration conf;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private Path testDir;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> @Before<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public void setUp() throws Exception {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> TEST_UTIL = new HBaseTestingUtil();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> conf = TEST_UTIL.getConfiguration();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> testDir = TEST_UTIL.getDataTestDir("TestBlocksScanned");<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> @Test<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public void testBlocksScanned() throws Exception {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> byte[] tableName = Bytes.toBytes("TestBlocksScanned");<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> TableDescriptor tableDescriptor =<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(10)<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> .setBlockCacheEnabled(true).setBlocksize(BLOCK_SIZE)<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> .setCompressionType(Compression.Algorithm.NONE).build())<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> .build();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> _testBlocksScanned(tableDescriptor);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> @Test<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public void testBlocksScannedWithEncoding() throws Exception {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> byte[] tableName = Bytes.toBytes("TestBlocksScannedWithEncoding");<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> TableDescriptor tableDescriptor =<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(10)<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> .setBlockCacheEnabled(true).setDataBlockEncoding(DataBlockEncoding.FAST_DIFF)<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> .setBlocksize(BLOCK_SIZE).setCompressionType(Compression.Algorithm.NONE).build())<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> .build();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> _testBlocksScanned(tableDescriptor);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private void _testBlocksScanned(TableDescriptor td) throws Exception {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> BlockCache blockCache = BlockCacheFactory.createBlockCache(conf);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(td.getTableName()).setStartKey(START_KEY)<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> .setEndKey(END_KEY).build();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> HRegion r = HBaseTestingUtil.createRegionAndWAL(regionInfo, testDir, conf, td, blockCache);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> addContent(r, FAMILY, COL);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> r.flush(true);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> CacheStats stats = blockCache.getStats();<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> long before = stats.getHitCount() + stats.getMissCount();<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // Do simple test of getting one row only first.<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Scan scan = new Scan().withStartRow(Bytes.toBytes("aaa")).withStopRow(Bytes.toBytes("aaz"))<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> .setReadType(Scan.ReadType.PREAD);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> scan.addColumn(FAMILY, COL);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> scan.readVersions(1);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> InternalScanner s = r.getScanner(scan);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> List<Cell> results = new ArrayList<>();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> while (s.next(results))<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> ;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> s.close();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> int expectResultSize = 'z' - 'a';<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> assertEquals(expectResultSize, results.size());<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> int kvPerBlock = (int) Math<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> .ceil(BLOCK_SIZE / (double) KeyValueUtil.ensureKeyValue(results.get(0)).getLength());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> assertEquals(2, kvPerBlock);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> long expectDataBlockRead = (long) Math.ceil(expectResultSize / (double) kvPerBlock);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> long expectIndexBlockRead = expectDataBlockRead;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> assertEquals(expectIndexBlockRead + expectDataBlockRead,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> stats.getHitCount() + stats.getMissCount() - before);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span>}<a name="line.135"></a> |
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| </pre> |
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