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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.regionserver;</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.HTestConst.addContent;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertEquals;</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.util.ArrayList;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.KeyValueUtil;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.io.compress.Compression;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.io.hfile.BlockCache;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.io.hfile.BlockCacheFactory;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.io.hfile.CacheStats;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Before;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.ClassRule;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.Test;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">@SuppressWarnings("deprecation")</span> |
| <span class="source-line-no">052</span><span id="line-52">@Category({ RegionServerTests.class, SmallTests.class })</span> |
| <span class="source-line-no">053</span><span id="line-53">public class TestBlocksScanned {</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> @ClassRule</span> |
| <span class="source-line-no">056</span><span id="line-56"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">057</span><span id="line-57"> HBaseClassTestRule.forClass(TestBlocksScanned.class);</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private static byte[] FAMILY = Bytes.toBytes("family");</span> |
| <span class="source-line-no">060</span><span id="line-60"> private static byte[] COL = Bytes.toBytes("col");</span> |
| <span class="source-line-no">061</span><span id="line-61"> private static byte[] START_KEY = Bytes.toBytes("aaa");</span> |
| <span class="source-line-no">062</span><span id="line-62"> private static byte[] END_KEY = Bytes.toBytes("zzz");</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static int BLOCK_SIZE = 70;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private static HBaseTestingUtil TEST_UTIL = null;</span> |
| <span class="source-line-no">066</span><span id="line-66"> private Configuration conf;</span> |
| <span class="source-line-no">067</span><span id="line-67"> private Path testDir;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @Before</span> |
| <span class="source-line-no">070</span><span id="line-70"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">071</span><span id="line-71"> TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">072</span><span id="line-72"> conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">073</span><span id="line-73"> testDir = TEST_UTIL.getDataTestDir("TestBlocksScanned");</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"> @Test</span> |
| <span class="source-line-no">077</span><span id="line-77"> public void testBlocksScanned() throws Exception {</span> |
| <span class="source-line-no">078</span><span id="line-78"> byte[] tableName = Bytes.toBytes("TestBlocksScanned");</span> |
| <span class="source-line-no">079</span><span id="line-79"> TableDescriptor tableDescriptor =</span> |
| <span class="source-line-no">080</span><span id="line-80"> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))</span> |
| <span class="source-line-no">081</span><span id="line-81"> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(10)</span> |
| <span class="source-line-no">082</span><span id="line-82"> .setBlockCacheEnabled(true).setBlocksize(BLOCK_SIZE)</span> |
| <span class="source-line-no">083</span><span id="line-83"> .setCompressionType(Compression.Algorithm.NONE).build())</span> |
| <span class="source-line-no">084</span><span id="line-84"> .build();</span> |
| <span class="source-line-no">085</span><span id="line-85"> _testBlocksScanned(tableDescriptor);</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> @Test</span> |
| <span class="source-line-no">089</span><span id="line-89"> public void testBlocksScannedWithEncoding() throws Exception {</span> |
| <span class="source-line-no">090</span><span id="line-90"> byte[] tableName = Bytes.toBytes("TestBlocksScannedWithEncoding");</span> |
| <span class="source-line-no">091</span><span id="line-91"> TableDescriptor tableDescriptor =</span> |
| <span class="source-line-no">092</span><span id="line-92"> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName))</span> |
| <span class="source-line-no">093</span><span id="line-93"> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(10)</span> |
| <span class="source-line-no">094</span><span id="line-94"> .setBlockCacheEnabled(true).setDataBlockEncoding(DataBlockEncoding.FAST_DIFF)</span> |
| <span class="source-line-no">095</span><span id="line-95"> .setBlocksize(BLOCK_SIZE).setCompressionType(Compression.Algorithm.NONE).build())</span> |
| <span class="source-line-no">096</span><span id="line-96"> .build();</span> |
| <span class="source-line-no">097</span><span id="line-97"> _testBlocksScanned(tableDescriptor);</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> private void _testBlocksScanned(TableDescriptor td) throws Exception {</span> |
| <span class="source-line-no">101</span><span id="line-101"> BlockCache blockCache = BlockCacheFactory.createBlockCache(conf);</span> |
| <span class="source-line-no">102</span><span id="line-102"> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(td.getTableName()).setStartKey(START_KEY)</span> |
| <span class="source-line-no">103</span><span id="line-103"> .setEndKey(END_KEY).build();</span> |
| <span class="source-line-no">104</span><span id="line-104"> HRegion r = HBaseTestingUtil.createRegionAndWAL(regionInfo, testDir, conf, td, blockCache);</span> |
| <span class="source-line-no">105</span><span id="line-105"> addContent(r, FAMILY, COL);</span> |
| <span class="source-line-no">106</span><span id="line-106"> r.flush(true);</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> CacheStats stats = blockCache.getStats();</span> |
| <span class="source-line-no">109</span><span id="line-109"> long before = stats.getHitCount() + stats.getMissCount();</span> |
| <span class="source-line-no">110</span><span id="line-110"> // Do simple test of getting one row only first.</span> |
| <span class="source-line-no">111</span><span id="line-111"> Scan scan = new Scan().withStartRow(Bytes.toBytes("aaa")).withStopRow(Bytes.toBytes("aaz"))</span> |
| <span class="source-line-no">112</span><span id="line-112"> .setReadType(Scan.ReadType.PREAD);</span> |
| <span class="source-line-no">113</span><span id="line-113"> scan.addColumn(FAMILY, COL);</span> |
| <span class="source-line-no">114</span><span id="line-114"> scan.readVersions(1);</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> InternalScanner s = r.getScanner(scan);</span> |
| <span class="source-line-no">117</span><span id="line-117"> List<ExtendedCell> results = new ArrayList<>();</span> |
| <span class="source-line-no">118</span><span id="line-118"> while (s.next((List) results))</span> |
| <span class="source-line-no">119</span><span id="line-119"> ;</span> |
| <span class="source-line-no">120</span><span id="line-120"> s.close();</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> int expectResultSize = 'z' - 'a';</span> |
| <span class="source-line-no">123</span><span id="line-123"> assertEquals(expectResultSize, results.size());</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> int kvPerBlock = (int) Math</span> |
| <span class="source-line-no">126</span><span id="line-126"> .ceil(BLOCK_SIZE / (double) KeyValueUtil.ensureKeyValue(results.get(0)).getLength());</span> |
| <span class="source-line-no">127</span><span id="line-127"> assertEquals(2, kvPerBlock);</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> long expectDataBlockRead = (long) Math.ceil(expectResultSize / (double) kvPerBlock);</span> |
| <span class="source-line-no">130</span><span id="line-130"> long expectIndexBlockRead = expectDataBlockRead;</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> assertEquals(expectIndexBlockRead + expectDataBlockRead,</span> |
| <span class="source-line-no">133</span><span id="line-133"> stats.getHitCount() + stats.getMissCount() - before);</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> |
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| </pre> |
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