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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.mapreduce;</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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.conf.Configured;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.CellUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.CompareOperator;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.filter.Filter;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.filter.PrefixFilter;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.filter.RegexStringComparator;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.filter.RowFilter;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.io.LongWritable;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.io.Text;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.mapreduce.Job;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.mapreduce.Reducer;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.util.Tool;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.util.ToolRunner;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.slf4j.Logger;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">/**</span> |
| <span class="source-line-no">052</span><span id="line-52"> * A job with a a map and reduce phase to count cells in a table. The counter lists the following</span> |
| <span class="source-line-no">053</span><span id="line-53"> * stats for a given table:</span> |
| <span class="source-line-no">054</span><span id="line-54"> *</span> |
| <span class="source-line-no">055</span><span id="line-55"> * <pre></span> |
| <span class="source-line-no">056</span><span id="line-56"> * 1. Total number of rows in the table</span> |
| <span class="source-line-no">057</span><span id="line-57"> * 2. Total number of CFs across all rows</span> |
| <span class="source-line-no">058</span><span id="line-58"> * 3. Total qualifiers across all rows</span> |
| <span class="source-line-no">059</span><span id="line-59"> * 4. Total occurrence of each CF</span> |
| <span class="source-line-no">060</span><span id="line-60"> * 5. Total occurrence of each qualifier</span> |
| <span class="source-line-no">061</span><span id="line-61"> * 6. Total number of versions of each qualifier.</span> |
| <span class="source-line-no">062</span><span id="line-62"> * 7. Total size of serialized cells of each CF.</span> |
| <span class="source-line-no">063</span><span id="line-63"> * 8. Total size of serialized cells of each qualifier.</span> |
| <span class="source-line-no">064</span><span id="line-64"> * 9. Total size of serialized cells across all rows.</span> |
| <span class="source-line-no">065</span><span id="line-65"> * </pre></span> |
| <span class="source-line-no">066</span><span id="line-66"> *</span> |
| <span class="source-line-no">067</span><span id="line-67"> * The cellcounter can take optional parameters to use a user supplied row/family/qualifier string</span> |
| <span class="source-line-no">068</span><span id="line-68"> * to use in the report and second a regex based or prefix based row filter to restrict the count</span> |
| <span class="source-line-no">069</span><span id="line-69"> * operation to a limited subset of rows from the table or a start time and/or end time to limit the</span> |
| <span class="source-line-no">070</span><span id="line-70"> * count to a time range.</span> |
| <span class="source-line-no">071</span><span id="line-71"> */</span> |
| <span class="source-line-no">072</span><span id="line-72">@InterfaceAudience.Public</span> |
| <span class="source-line-no">073</span><span id="line-73">public class CellCounter extends Configured implements Tool {</span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final Logger LOG = LoggerFactory.getLogger(CellCounter.class.getName());</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> /**</span> |
| <span class="source-line-no">077</span><span id="line-77"> * Name of this 'program'.</span> |
| <span class="source-line-no">078</span><span id="line-78"> */</span> |
| <span class="source-line-no">079</span><span id="line-79"> static final String NAME = "CellCounter";</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> private final static String JOB_NAME_CONF_KEY = "mapreduce.job.name";</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> /**</span> |
| <span class="source-line-no">084</span><span id="line-84"> * Mapper that runs the count.</span> |
| <span class="source-line-no">085</span><span id="line-85"> */</span> |
| <span class="source-line-no">086</span><span id="line-86"> static class CellCounterMapper extends TableMapper<Text, LongWritable> {</span> |
| <span class="source-line-no">087</span><span id="line-87"> /**</span> |
| <span class="source-line-no">088</span><span id="line-88"> * Counter enumeration to count the actual rows.</span> |
| <span class="source-line-no">089</span><span id="line-89"> */</span> |
| <span class="source-line-no">090</span><span id="line-90"> public static enum Counters {</span> |
| <span class="source-line-no">091</span><span id="line-91"> ROWS,</span> |
| <span class="source-line-no">092</span><span id="line-92"> CELLS,</span> |
| <span class="source-line-no">093</span><span id="line-93"> SIZE</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> private Configuration conf;</span> |
| <span class="source-line-no">097</span><span id="line-97"> private String separator;</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> // state of current row, family, column needs to persist across map() invocations</span> |
| <span class="source-line-no">100</span><span id="line-100"> // in order to properly handle scanner batching, where a single qualifier may have too</span> |
| <span class="source-line-no">101</span><span id="line-101"> // many versions for a single map() call</span> |
| <span class="source-line-no">102</span><span id="line-102"> private byte[] lastRow;</span> |
| <span class="source-line-no">103</span><span id="line-103"> private String currentRowKey;</span> |
| <span class="source-line-no">104</span><span id="line-104"> byte[] currentFamily = null;</span> |
| <span class="source-line-no">105</span><span id="line-105"> String currentFamilyName = null;</span> |
| <span class="source-line-no">106</span><span id="line-106"> byte[] currentQualifier = null;</span> |
| <span class="source-line-no">107</span><span id="line-107"> // family + qualifier</span> |
| <span class="source-line-no">108</span><span id="line-108"> String currentQualifierName = null;</span> |
| <span class="source-line-no">109</span><span id="line-109"> // rowkey + family + qualifier</span> |
| <span class="source-line-no">110</span><span id="line-110"> String currentRowQualifierName = null;</span> |
| <span class="source-line-no">111</span><span id="line-111"></span> |
| <span class="source-line-no">112</span><span id="line-112"> @Override</span> |
| <span class="source-line-no">113</span><span id="line-113"> protected void setup(Context context) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">114</span><span id="line-114"> conf = context.getConfiguration();</span> |
| <span class="source-line-no">115</span><span id="line-115"> separator = conf.get("ReportSeparator", ":");</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> /**</span> |
| <span class="source-line-no">119</span><span id="line-119"> * Maps the data.</span> |
| <span class="source-line-no">120</span><span id="line-120"> * @param row The current table row key.</span> |
| <span class="source-line-no">121</span><span id="line-121"> * @param values The columns.</span> |
| <span class="source-line-no">122</span><span id="line-122"> * @param context The current context.</span> |
| <span class="source-line-no">123</span><span id="line-123"> * @throws IOException When something is broken with the data.</span> |
| <span class="source-line-no">124</span><span id="line-124"> */</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> @Override</span> |
| <span class="source-line-no">127</span><span id="line-127"> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "NP_NULL_ON_SOME_PATH",</span> |
| <span class="source-line-no">128</span><span id="line-128"> justification = "Findbugs is blind to the Precondition null check")</span> |
| <span class="source-line-no">129</span><span id="line-129"> public void map(ImmutableBytesWritable row, Result values, Context context) throws IOException {</span> |
| <span class="source-line-no">130</span><span id="line-130"> Preconditions.checkState(values != null, "values passed to the map is null");</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> try {</span> |
| <span class="source-line-no">133</span><span id="line-133"> byte[] currentRow = values.getRow();</span> |
| <span class="source-line-no">134</span><span id="line-134"> if (lastRow == null || !Bytes.equals(lastRow, currentRow)) {</span> |
| <span class="source-line-no">135</span><span id="line-135"> lastRow = currentRow;</span> |
| <span class="source-line-no">136</span><span id="line-136"> currentRowKey = Bytes.toStringBinary(currentRow);</span> |
| <span class="source-line-no">137</span><span id="line-137"> currentFamily = null;</span> |
| <span class="source-line-no">138</span><span id="line-138"> currentQualifier = null;</span> |
| <span class="source-line-no">139</span><span id="line-139"> context.getCounter(Counters.ROWS).increment(1);</span> |
| <span class="source-line-no">140</span><span id="line-140"> context.write(new Text("Total ROWS"), new LongWritable(1));</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (!values.isEmpty()) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> int cellCount = 0;</span> |
| <span class="source-line-no">144</span><span id="line-144"> for (Cell value : values.listCells()) {</span> |
| <span class="source-line-no">145</span><span id="line-145"> cellCount++;</span> |
| <span class="source-line-no">146</span><span id="line-146"> long size = value.getSerializedSize();</span> |
| <span class="source-line-no">147</span><span id="line-147"> if (currentFamily == null || !CellUtil.matchingFamily(value, currentFamily)) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> currentFamily = CellUtil.cloneFamily(value);</span> |
| <span class="source-line-no">149</span><span id="line-149"> currentFamilyName = Bytes.toStringBinary(currentFamily);</span> |
| <span class="source-line-no">150</span><span id="line-150"> currentQualifier = null;</span> |
| <span class="source-line-no">151</span><span id="line-151"> context.getCounter("CF", currentFamilyName).increment(1);</span> |
| <span class="source-line-no">152</span><span id="line-152"> if (1 == context.getCounter("CF", currentFamilyName).getValue()) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> context.write(new Text("Total Families Across all Rows"), new LongWritable(1));</span> |
| <span class="source-line-no">154</span><span id="line-154"> context.write(new Text(currentFamily), new LongWritable(1));</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"> context.getCounter(Counters.SIZE).increment(size);</span> |
| <span class="source-line-no">157</span><span id="line-157"> context.write(new Text("Total SIZE"), new LongWritable(size));</span> |
| <span class="source-line-no">158</span><span id="line-158"> context.getCounter("CF", currentFamilyName + "_Size").increment(size);</span> |
| <span class="source-line-no">159</span><span id="line-159"> context.write(new Text(currentFamilyName + "_Size"), new LongWritable(size));</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> if (currentQualifier == null || !CellUtil.matchingQualifier(value, currentQualifier)) {</span> |
| <span class="source-line-no">162</span><span id="line-162"> currentQualifier = CellUtil.cloneQualifier(value);</span> |
| <span class="source-line-no">163</span><span id="line-163"> currentQualifierName =</span> |
| <span class="source-line-no">164</span><span id="line-164"> currentFamilyName + separator + Bytes.toStringBinary(currentQualifier);</span> |
| <span class="source-line-no">165</span><span id="line-165"> currentRowQualifierName = currentRowKey + separator + currentQualifierName;</span> |
| <span class="source-line-no">166</span><span id="line-166"></span> |
| <span class="source-line-no">167</span><span id="line-167"> context.write(new Text("Total Qualifiers across all Rows"), new LongWritable(1));</span> |
| <span class="source-line-no">168</span><span id="line-168"> context.write(new Text(currentQualifierName), new LongWritable(1));</span> |
| <span class="source-line-no">169</span><span id="line-169"> context.getCounter("Q", currentQualifierName + "_Size").increment(size);</span> |
| <span class="source-line-no">170</span><span id="line-170"> context.write(new Text(currentQualifierName + "_Size"), new LongWritable(size));</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"> // Increment versions</span> |
| <span class="source-line-no">173</span><span id="line-173"> context.write(new Text(currentRowQualifierName + "_Versions"), new LongWritable(1));</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> context.getCounter(Counters.CELLS).increment(cellCount);</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">178</span><span id="line-178"> LOG.error("Interrupted while writing cellCount", e);</span> |
| <span class="source-line-no">179</span><span id="line-179"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> static class LongSumReducer<Key> extends Reducer<Key, LongWritable, Key, LongWritable> {</span> |
| <span class="source-line-no">185</span><span id="line-185"></span> |
| <span class="source-line-no">186</span><span id="line-186"> private LongWritable result = new LongWritable();</span> |
| <span class="source-line-no">187</span><span id="line-187"></span> |
| <span class="source-line-no">188</span><span id="line-188"> public void reduce(Key key, Iterable<LongWritable> values, Context context)</span> |
| <span class="source-line-no">189</span><span id="line-189"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">190</span><span id="line-190"> long sum = 0;</span> |
| <span class="source-line-no">191</span><span id="line-191"> for (LongWritable val : values) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> sum += val.get();</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> result.set(sum);</span> |
| <span class="source-line-no">195</span><span id="line-195"> context.write(key, result);</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> }</span> |
| <span class="source-line-no">199</span><span id="line-199"></span> |
| <span class="source-line-no">200</span><span id="line-200"> /**</span> |
| <span class="source-line-no">201</span><span id="line-201"> * Sets up the actual job.</span> |
| <span class="source-line-no">202</span><span id="line-202"> * @param conf The current configuration.</span> |
| <span class="source-line-no">203</span><span id="line-203"> * @param args The command line parameters.</span> |
| <span class="source-line-no">204</span><span id="line-204"> * @return The newly created job.</span> |
| <span class="source-line-no">205</span><span id="line-205"> * @throws IOException When setting up the job fails.</span> |
| <span class="source-line-no">206</span><span id="line-206"> */</span> |
| <span class="source-line-no">207</span><span id="line-207"> public static Job createSubmittableJob(Configuration conf, String[] args) throws IOException {</span> |
| <span class="source-line-no">208</span><span id="line-208"> String tableName = args[0];</span> |
| <span class="source-line-no">209</span><span id="line-209"> Path outputDir = new Path(args[1]);</span> |
| <span class="source-line-no">210</span><span id="line-210"> String reportSeparatorString = (args.length > 2) ? args[2] : ":";</span> |
| <span class="source-line-no">211</span><span id="line-211"> conf.set("ReportSeparator", reportSeparatorString);</span> |
| <span class="source-line-no">212</span><span id="line-212"> Job job = Job.getInstance(conf, conf.get(JOB_NAME_CONF_KEY, NAME + "_" + tableName));</span> |
| <span class="source-line-no">213</span><span id="line-213"> job.setJarByClass(CellCounter.class);</span> |
| <span class="source-line-no">214</span><span id="line-214"> Scan scan = getConfiguredScanForJob(conf, args);</span> |
| <span class="source-line-no">215</span><span id="line-215"> TableMapReduceUtil.initTableMapperJob(tableName, scan, CellCounterMapper.class,</span> |
| <span class="source-line-no">216</span><span id="line-216"> ImmutableBytesWritable.class, Result.class, job);</span> |
| <span class="source-line-no">217</span><span id="line-217"> job.setMapOutputKeyClass(Text.class);</span> |
| <span class="source-line-no">218</span><span id="line-218"> job.setMapOutputValueClass(LongWritable.class);</span> |
| <span class="source-line-no">219</span><span id="line-219"> job.setOutputFormatClass(TextOutputFormat.class);</span> |
| <span class="source-line-no">220</span><span id="line-220"> job.setOutputKeyClass(Text.class);</span> |
| <span class="source-line-no">221</span><span id="line-221"> job.setOutputValueClass(LongWritable.class);</span> |
| <span class="source-line-no">222</span><span id="line-222"> FileOutputFormat.setOutputPath(job, outputDir);</span> |
| <span class="source-line-no">223</span><span id="line-223"> job.setReducerClass(LongSumReducer.class);</span> |
| <span class="source-line-no">224</span><span id="line-224"> job.setCombinerClass(LongSumReducer.class);</span> |
| <span class="source-line-no">225</span><span id="line-225"> return job;</span> |
| <span class="source-line-no">226</span><span id="line-226"> }</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> private static Scan getConfiguredScanForJob(Configuration conf, String[] args)</span> |
| <span class="source-line-no">229</span><span id="line-229"> throws IOException {</span> |
| <span class="source-line-no">230</span><span id="line-230"> // create scan with any properties set from TableInputFormat</span> |
| <span class="source-line-no">231</span><span id="line-231"> Scan s = TableInputFormat.createScanFromConfiguration(conf);</span> |
| <span class="source-line-no">232</span><span id="line-232"> // Set Scan Versions</span> |
| <span class="source-line-no">233</span><span id="line-233"> if (conf.get(TableInputFormat.SCAN_MAXVERSIONS) == null) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> // default to all versions unless explicitly set</span> |
| <span class="source-line-no">235</span><span id="line-235"> s.readVersions(Integer.MAX_VALUE);</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"> s.setCacheBlocks(false);</span> |
| <span class="source-line-no">238</span><span id="line-238"> // Set RowFilter or Prefix Filter if applicable.</span> |
| <span class="source-line-no">239</span><span id="line-239"> Filter rowFilter = getRowFilter(args);</span> |
| <span class="source-line-no">240</span><span id="line-240"> if (rowFilter != null) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> LOG.info("Setting Row Filter for counter.");</span> |
| <span class="source-line-no">242</span><span id="line-242"> s.setFilter(rowFilter);</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> // Set TimeRange if defined</span> |
| <span class="source-line-no">245</span><span id="line-245"> long timeRange[] = getTimeRange(args);</span> |
| <span class="source-line-no">246</span><span id="line-246"> if (timeRange != null) {</span> |
| <span class="source-line-no">247</span><span id="line-247"> LOG.info("Setting TimeRange for counter.");</span> |
| <span class="source-line-no">248</span><span id="line-248"> s.setTimeRange(timeRange[0], timeRange[1]);</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> return s;</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> private static Filter getRowFilter(String[] args) {</span> |
| <span class="source-line-no">254</span><span id="line-254"> Filter rowFilter = null;</span> |
| <span class="source-line-no">255</span><span id="line-255"> String filterCriteria = (args.length > 3) ? args[3] : null;</span> |
| <span class="source-line-no">256</span><span id="line-256"> if (filterCriteria == null) return null;</span> |
| <span class="source-line-no">257</span><span id="line-257"> if (filterCriteria.startsWith("^")) {</span> |
| <span class="source-line-no">258</span><span id="line-258"> String regexPattern = filterCriteria.substring(1, filterCriteria.length());</span> |
| <span class="source-line-no">259</span><span id="line-259"> rowFilter = new RowFilter(CompareOperator.EQUAL, new RegexStringComparator(regexPattern));</span> |
| <span class="source-line-no">260</span><span id="line-260"> } else {</span> |
| <span class="source-line-no">261</span><span id="line-261"> rowFilter = new PrefixFilter(Bytes.toBytesBinary(filterCriteria));</span> |
| <span class="source-line-no">262</span><span id="line-262"> }</span> |
| <span class="source-line-no">263</span><span id="line-263"> return rowFilter;</span> |
| <span class="source-line-no">264</span><span id="line-264"> }</span> |
| <span class="source-line-no">265</span><span id="line-265"></span> |
| <span class="source-line-no">266</span><span id="line-266"> private static long[] getTimeRange(String[] args) throws IOException {</span> |
| <span class="source-line-no">267</span><span id="line-267"> final String startTimeArgKey = "--starttime=";</span> |
| <span class="source-line-no">268</span><span id="line-268"> final String endTimeArgKey = "--endtime=";</span> |
| <span class="source-line-no">269</span><span id="line-269"> long startTime = 0L;</span> |
| <span class="source-line-no">270</span><span id="line-270"> long endTime = 0L;</span> |
| <span class="source-line-no">271</span><span id="line-271"></span> |
| <span class="source-line-no">272</span><span id="line-272"> for (int i = 1; i < args.length; i++) {</span> |
| <span class="source-line-no">273</span><span id="line-273"> System.out.println("i:" + i + "arg[i]" + args[i]);</span> |
| <span class="source-line-no">274</span><span id="line-274"> if (args[i].startsWith(startTimeArgKey)) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> startTime = Long.parseLong(args[i].substring(startTimeArgKey.length()));</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"> if (args[i].startsWith(endTimeArgKey)) {</span> |
| <span class="source-line-no">278</span><span id="line-278"> endTime = Long.parseLong(args[i].substring(endTimeArgKey.length()));</span> |
| <span class="source-line-no">279</span><span id="line-279"> }</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> if (startTime == 0 && endTime == 0) return null;</span> |
| <span class="source-line-no">283</span><span id="line-283"></span> |
| <span class="source-line-no">284</span><span id="line-284"> endTime = endTime == 0 ? HConstants.LATEST_TIMESTAMP : endTime;</span> |
| <span class="source-line-no">285</span><span id="line-285"> return new long[] { startTime, endTime };</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> @Override</span> |
| <span class="source-line-no">289</span><span id="line-289"> public int run(String[] args) throws Exception {</span> |
| <span class="source-line-no">290</span><span id="line-290"> if (args.length < 2) {</span> |
| <span class="source-line-no">291</span><span id="line-291"> printUsage(args.length);</span> |
| <span class="source-line-no">292</span><span id="line-292"> return -1;</span> |
| <span class="source-line-no">293</span><span id="line-293"> }</span> |
| <span class="source-line-no">294</span><span id="line-294"> Job job = createSubmittableJob(getConf(), args);</span> |
| <span class="source-line-no">295</span><span id="line-295"> return (job.waitForCompletion(true) ? 0 : 1);</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"></span> |
| <span class="source-line-no">298</span><span id="line-298"> private void printUsage(int parameterCount) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> System.err.println("ERROR: Wrong number of parameters: " + parameterCount);</span> |
| <span class="source-line-no">300</span><span id="line-300"> System.err.println("Usage: hbase cellcounter <tablename> <outputDir> [reportSeparator] "</span> |
| <span class="source-line-no">301</span><span id="line-301"> + "[^[regex pattern] or [Prefix]] [--starttime=<starttime> --endtime=<endtime>]");</span> |
| <span class="source-line-no">302</span><span id="line-302"> System.err.println(" Note: -D properties will be applied to the conf used.");</span> |
| <span class="source-line-no">303</span><span id="line-303"> System.err.println(" Additionally, all of the SCAN properties from TableInputFormat can be "</span> |
| <span class="source-line-no">304</span><span id="line-304"> + "specified to get fine grained control on what is counted.");</span> |
| <span class="source-line-no">305</span><span id="line-305"> System.err.println(" -D" + TableInputFormat.SCAN_ROW_START + "=<rowkey>");</span> |
| <span class="source-line-no">306</span><span id="line-306"> System.err.println(" -D" + TableInputFormat.SCAN_ROW_STOP + "=<rowkey>");</span> |
| <span class="source-line-no">307</span><span id="line-307"> System.err.println(" -D" + TableInputFormat.SCAN_COLUMNS + "=\"<col1> <col2>...\"");</span> |
| <span class="source-line-no">308</span><span id="line-308"> System.err.println(" -D" + TableInputFormat.SCAN_COLUMN_FAMILY + "=<family1>,<family2>, ...");</span> |
| <span class="source-line-no">309</span><span id="line-309"> System.err.println(" -D" + TableInputFormat.SCAN_TIMESTAMP + "=<timestamp>");</span> |
| <span class="source-line-no">310</span><span id="line-310"> System.err.println(" -D" + TableInputFormat.SCAN_TIMERANGE_START + "=<timestamp>");</span> |
| <span class="source-line-no">311</span><span id="line-311"> System.err.println(" -D" + TableInputFormat.SCAN_TIMERANGE_END + "=<timestamp>");</span> |
| <span class="source-line-no">312</span><span id="line-312"> System.err.println(" -D" + TableInputFormat.SCAN_MAXVERSIONS + "=<count>");</span> |
| <span class="source-line-no">313</span><span id="line-313"> System.err.println(" -D" + TableInputFormat.SCAN_CACHEDROWS + "=<count>");</span> |
| <span class="source-line-no">314</span><span id="line-314"> System.err.println(" -D" + TableInputFormat.SCAN_BATCHSIZE + "=<count>");</span> |
| <span class="source-line-no">315</span><span id="line-315"> System.err.println(" <reportSeparator> parameter can be used to override the default report "</span> |
| <span class="source-line-no">316</span><span id="line-316"> + "separator string : used to separate the rowId/column family name and qualifier name.");</span> |
| <span class="source-line-no">317</span><span id="line-317"> System.err.println(" [^[regex pattern] or [Prefix] parameter can be used to limit the cell "</span> |
| <span class="source-line-no">318</span><span id="line-318"> + "counter count operation to a limited subset of rows from the table based on regex or "</span> |
| <span class="source-line-no">319</span><span id="line-319"> + "prefix pattern.");</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> /**</span> |
| <span class="source-line-no">323</span><span id="line-323"> * Main entry point.</span> |
| <span class="source-line-no">324</span><span id="line-324"> * @param args The command line parameters.</span> |
| <span class="source-line-no">325</span><span id="line-325"> * @throws Exception When running the job fails.</span> |
| <span class="source-line-no">326</span><span id="line-326"> */</span> |
| <span class="source-line-no">327</span><span id="line-327"> public static void main(String[] args) throws Exception {</span> |
| <span class="source-line-no">328</span><span id="line-328"> int errCode = ToolRunner.run(HBaseConfiguration.create(), new CellCounter(), args);</span> |
| <span class="source-line-no">329</span><span id="line-329"> System.exit(errCode);</span> |
| <span class="source-line-no">330</span><span id="line-330"> }</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
