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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.util;<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 org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HConstants;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.TableName;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.client.Result;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Table;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.test.LoadTestDataGenerator;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.slf4j.Logger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<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> * A command-line tool that spins up a local process-based cluster, loads some data, restarts the<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * regionserver holding hbase:meta, and verifies that the cluster recovers.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>public class RestartMetaTest extends AbstractHBaseTool {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private static final Logger LOG = LoggerFactory.getLogger(RestartMetaTest.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> /** The number of region servers used if not specified */<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private static final int DEFAULT_NUM_RS = 2;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> /** Table name for the test */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private static TableName TABLE_NAME = TableName.valueOf("load_test");<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /** The number of seconds to sleep after loading the data */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final int SLEEP_SEC_AFTER_DATA_LOAD = 5;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /** The actual number of region servers */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private int numRegionServers;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final String OPT_NUM_RS = "num_rs";<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final int NUM_DATANODES = 3;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> /** Loads data into the table using the multi-threaded writer. */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private void loadData() throws IOException {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> long startKey = 0;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> long endKey = 100000;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> int minColsPerKey = 5;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> int maxColsPerKey = 15;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> int minColDataSize = 256;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> int maxColDataSize = 256 * 3;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> int numThreads = 10;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> // print out the arguments<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> System.out.printf("Key range %d .. %d\n", startKey, endKey);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> System.out.printf("Number of Columns/Key: %d..%d\n", minColsPerKey, maxColsPerKey);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> System.out.printf("Data Size/Column: %d..%d bytes\n", minColDataSize, maxColDataSize);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> System.out.printf("Client Threads: %d\n", numThreads);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // start the writers<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> LoadTestDataGenerator dataGen = new MultiThreadedAction.DefaultDataGenerator(minColDataSize,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> maxColDataSize, minColsPerKey, maxColsPerKey, HFileTestUtil.DEFAULT_COLUMN_FAMILY);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> MultiThreadedWriter writer = new MultiThreadedWriter(dataGen, conf, TABLE_NAME);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> writer.setMultiPut(true);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> writer.start(startKey, endKey, numThreads);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> System.out.printf("Started loading data...");<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> writer.waitForFinish();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> System.out.printf("Finished loading data...");<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Override<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> protected int doWork() throws Exception {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> ProcessBasedLocalHBaseCluster hbaseCluster =<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> new ProcessBasedLocalHBaseCluster(conf, NUM_DATANODES, numRegionServers);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> hbaseCluster.startMiniDFS();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // start the process based HBase cluster<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> hbaseCluster.startHBase();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> // create tables if needed<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> HBaseTestingUtil.createPreSplitLoadTestTable(conf, TABLE_NAME,<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> HFileTestUtil.DEFAULT_COLUMN_FAMILY, Compression.Algorithm.NONE, DataBlockEncoding.NONE);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> LOG.debug("Loading data....\n\n");<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> loadData();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> LOG.debug("Sleeping for " + SLEEP_SEC_AFTER_DATA_LOAD + " seconds....\n\n");<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> Threads.sleep(5 * SLEEP_SEC_AFTER_DATA_LOAD);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> Connection connection = ConnectionFactory.createConnection(conf);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> int metaRSPort = HBaseTestingUtil.getMetaRSPort(connection);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> LOG.debug("Killing hbase:meta region server running on port " + metaRSPort);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> hbaseCluster.killRegionServer(metaRSPort);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Threads.sleep(2000);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> LOG.debug("Restarting region server running on port metaRSPort");<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> hbaseCluster.startRegionServer(metaRSPort);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> Threads.sleep(2000);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> LOG.debug("Trying to scan meta");<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> Table metaTable = connection.getTable(TableName.META_TABLE_NAME);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> ResultScanner scanner = metaTable.getScanner(new Scan());<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> Result result;<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> while ((result = scanner.next()) != null) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> LOG.info("Region assignment from META: " + Bytes.toStringBinary(result.getRow()) + " => "<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> + Bytes.toStringBinary(<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> result.getFamilyMap(HConstants.CATALOG_FAMILY).get(HConstants.SERVER_QUALIFIER)));<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> metaTable.close();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> connection.close();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> return 0;<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> |
| <span class="sourceLineNo">135</span> @Override<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> protected void addOptions() {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> addOptWithArg(OPT_NUM_RS, "Number of Region Servers");<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> addOptWithArg(HFileTestUtil.OPT_DATA_BLOCK_ENCODING,<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> HFileTestUtil.OPT_DATA_BLOCK_ENCODING_USAGE);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> @Override<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> protected void processOptions(CommandLine cmd) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> numRegionServers =<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> Integer.parseInt(cmd.getOptionValue(OPT_NUM_RS, String.valueOf(DEFAULT_NUM_RS)));<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public static void main(String[] args) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> new RestartMetaTest().doStaticMain(args);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span>}<a name="line.152"></a> |
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| </pre> |
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