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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;<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 java.util.HashSet;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.util.Set;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.concurrent.ExecutorService;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.concurrent.Executors;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.concurrent.Future;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.commons.logging.Log;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.commons.logging.LogFactory;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Table;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.util.Tool;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.util.ToolRunner;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span>import com.codahale.metrics.MetricRegistry;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import com.codahale.metrics.Snapshot;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import com.codahale.metrics.Timer;<a name="line.40"></a> +<span class="sourceLineNo">041</span><a name="line.41"></a> +<span class="sourceLineNo">042</span><a name="line.42"></a> +<span class="sourceLineNo">043</span>/**<a name="line.43"></a> +<span class="sourceLineNo">044</span> * Simple Increments Performance Test. Run this from main. It is to go against a cluster.<a name="line.44"></a> +<span class="sourceLineNo">045</span> * Presumption is the table exists already. Defaults are a zk ensemble of localhost:2181,<a name="line.45"></a> +<span class="sourceLineNo">046</span> * a tableName of 'tableName', a column famly name of 'columnFamilyName', with 80 threads by<a name="line.46"></a> +<span class="sourceLineNo">047</span> * default and 10000 increments per thread. To change any of these configs, pass -DNAME=VALUE as<a name="line.47"></a> +<span class="sourceLineNo">048</span> * in -DtableName="newTableName". 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// needed a simple "final" counter<a name="line.78"></a> +<span class="sourceLineNo">079</span> while (integer.incrementAndGet() <= threadCount) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> futures.add(service.submit(new Runnable() {<a name="line.80"></a> +<span class="sourceLineNo">081</span> @Override<a name="line.81"></a> +<span class="sourceLineNo">082</span> public void run() {<a name="line.82"></a> +<span class="sourceLineNo">083</span> try {<a name="line.83"></a> +<span class="sourceLineNo">084</span> try (Connection connection = ConnectionFactory.createConnection(getConf())) {<a name="line.84"></a> +<span class="sourceLineNo">085</span> try (Table table = connection.getTable(tableName)) {<a name="line.85"></a> +<span class="sourceLineNo">086</span> Timer timer = metrics.timer("increments");<a name="line.86"></a> +<span class="sourceLineNo">087</span> for (int i = 0; i < incrementCount; i++) {<a name="line.87"></a> +<span class="sourceLineNo">088</span> byte[] row = Bytes.toBytes(i);<a name="line.88"></a> +<span class="sourceLineNo">089</span> Timer.Context context = timer.time();<a name="line.89"></a> +<span class="sourceLineNo">090</span> try {<a name="line.90"></a> +<span class="sourceLineNo">091</span> table.incrementColumnValue(row, columnFamilyName, QUALIFIER, 1l);<a name="line.91"></a> +<span class="sourceLineNo">092</span> } catch (IOException e) {<a name="line.92"></a> +<span class="sourceLineNo">093</span> // swallow..it's a test.<a name="line.93"></a> +<span class="sourceLineNo">094</span> } finally {<a name="line.94"></a> +<span class="sourceLineNo">095</span> context.stop();<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> }<a name="line.98"></a> +<span class="sourceLineNo">099</span> }<a name="line.99"></a> +<span class="sourceLineNo">100</span> } catch (IOException ioe) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> throw new RuntimeException(ioe);<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> }<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> for(Future<?> future : futures) future.get();<a name="line.107"></a> +<span class="sourceLineNo">108</span> service.shutdown();<a name="line.108"></a> +<span class="sourceLineNo">109</span> Snapshot s = metrics.timer("increments").getSnapshot();<a name="line.109"></a> +<span class="sourceLineNo">110</span> LOG.info(String.format("75th=%s, 95th=%s, 99th=%s", s.get75thPercentile(),<a name="line.110"></a> +<span class="sourceLineNo">111</span> s.get95thPercentile(), s.get99thPercentile()));<a name="line.111"></a> +<span class="sourceLineNo">112</span> return 0;<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span><a name="line.114"></a> +<span class="sourceLineNo">115</span> @Override<a name="line.115"></a> +<span class="sourceLineNo">116</span> public Configuration getConf() {<a name="line.116"></a> +<span class="sourceLineNo">117</span> return this.conf;<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> @Override<a name="line.120"></a> +<span class="sourceLineNo">121</span> public void setConf(Configuration conf) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> this.conf = conf;<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span><a name="line.124"></a> +<span class="sourceLineNo">125</span> public static void main(String[] args) throws Exception {<a name="line.125"></a> +<span class="sourceLineNo">126</span> System.exit(ToolRunner.run(HBaseConfiguration.create(), new IncrementPerformanceTest(), args));<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span>}<a name="line.128"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
