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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.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.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Iterator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.Path;<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.CellUtil;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.TableName;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Put;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<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.AfterClass;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.BeforeClass;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.Test;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.experimental.categories.Category;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>@Category({ RegionServerTests.class, SmallTests.class })<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>public class TestWideScanner {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> @ClassRule<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> HBaseClassTestRule.forClass(TestWideScanner.class);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final Logger LOG = LoggerFactory.getLogger(TestWideScanner.class);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final byte[] A = Bytes.toBytes("A");<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private static final byte[] B = Bytes.toBytes("B");<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static final byte[] C = Bytes.toBytes("C");<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static byte[][] COLUMNS = { A, B, C };<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final TableDescriptor TESTTABLEDESC;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> static {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> TableDescriptorBuilder builder =<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> TableDescriptorBuilder.newBuilder(TableName.valueOf("testwidescan"));<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> for (byte[] cfName : new byte[][] { A, B, C }) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> // Keep versions to help debugging.<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(cfName).setMaxVersions(100)<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> .setBlocksize(8 * 1024).build());<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> TESTTABLEDESC = builder.build();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /** HRegionInfo for root region */<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private static HRegion REGION;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @BeforeClass<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public static void setUp() throws IOException {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Path testDir = UTIL.getDataTestDir();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> RegionInfo hri = RegionInfoBuilder.newBuilder(TESTTABLEDESC.getTableName()).build();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> REGION =<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> HBaseTestingUtility.createRegionAndWAL(hri, testDir, UTIL.getConfiguration(), TESTTABLEDESC);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> @AfterClass<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public static void tearDown() throws IOException {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> if (REGION != null) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> HBaseTestingUtility.closeRegionAndWAL(REGION);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> REGION = null;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> UTIL.cleanupTestDir();<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> private int addWideContent(HRegion region) throws IOException {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> int count = 0;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> for (char c = 'a'; c <= 'c'; c++) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> byte[] row = Bytes.toBytes("ab" + c);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> int i, j;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> long ts = System.currentTimeMillis();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> for (i = 0; i < 100; i++) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> byte[] b = Bytes.toBytes(String.format("%10d", i));<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> for (j = 0; j < 100; j++) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Put put = new Put(row);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> put.setDurability(Durability.SKIP_WAL);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> long ts1 = ++ts;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> put.addColumn(COLUMNS[ThreadLocalRandom.current().nextInt(COLUMNS.length)], b, ts1, b);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> region.put(put);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> count++;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> return count;<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> @Test<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> public void testWideScanBatching() throws IOException {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> final int batch = 256;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> int inserted = addWideContent(REGION);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> List<Cell> results = new ArrayList<>();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> Scan scan = new Scan();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> scan.addFamily(A);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> scan.addFamily(B);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> scan.addFamily(C);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> scan.readVersions(100);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> scan.setBatch(batch);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> try (InternalScanner s = REGION.getScanner(scan)) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> int total = 0;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> int i = 0;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> boolean more;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> do {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> more = s.next(results);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> i++;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> LOG.info("iteration #" + i + ", results.size=" + results.size());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> // assert that the result set is no larger<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> assertTrue(results.size() <= batch);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> total += results.size();<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> if (results.size() > 0) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // assert that all results are from the same row<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> byte[] row = CellUtil.cloneRow(results.get(0));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> for (Cell kv : results) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> assertTrue(Bytes.equals(row, CellUtil.cloneRow(kv)));<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> results.clear();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // trigger ChangedReadersObservers<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> Iterator<KeyValueScanner> scanners =<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> ((RegionScannerImpl) s).storeHeap.getHeap().iterator();<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> while (scanners.hasNext()) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> StoreScanner ss = (StoreScanner) scanners.next();<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> ss.updateReaders(Collections.emptyList(), Collections.emptyList());<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> } while (more);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> // assert that the scanner returned all values<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> LOG.info("inserted " + inserted + ", scanned " + total);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> assertEquals(total, inserted);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span>}<a name="line.172"></a> |
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