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<div class="subTitle">org.apache.hadoop.hbase.rest</div>
<h2 title="Class PerformanceEvaluation" class="title">Class PerformanceEvaluation</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li>org.apache.hadoop.conf.Configured</li>
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<ul class="inheritance">
<li>org.apache.hadoop.hbase.rest.PerformanceEvaluation</li>
</ul>
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</ul>
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<dd>org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool</dd>
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<pre>public class <a href="../../../../../src-html/org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#line.114">PerformanceEvaluation</a>
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool</pre>
<div class="block">Script used evaluating Stargate performance and scalability. Runs a SG
client that steps through one of a set of hardcoded tests or 'experiments'
(e.g. a random reads test, a random writes test, etc.). Pass on the
command-line which test to run and how many clients are participating in
this experiment. Run <code>java PerformanceEvaluation --help</code> to
obtain usage.
<p>This class sets up and runs the evaluation programs described in
Section 7, <i>Performance Evaluation</i>, of the <a
href="http://labs.google.com/papers/bigtable.html">Bigtable</a>
paper, pages 8-10.
<p>If number of clients > 1, we start up a MapReduce job. Each map task
runs an individual client. Each client does about 1GB of data.</div>
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<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.BufferedMutatorTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.BufferedMutatorTest</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.CmdDescriptor.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.CmdDescriptor</a></span></code>
<div class="block">Describes a command.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Counter.html" title="enum in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Counter</a></span></code>
<div class="block">Enum for map metrics.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.EvaluationMapTask.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.EvaluationMapTask</a></span></code>
<div class="block">MapReduce job that runs a performance evaluation client in each map task.</div>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.PeInputFormat.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.PeInputFormat</a></span></code>
<div class="block">InputFormat of Performance Evaluation MapReduce job.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.PeInputSplit.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.PeInputSplit</a></span></code>
<div class="block">This class works as the InputSplit of Performance Evaluation
MapReduce InputFormat, and the Record Value of RecordReader.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomReadTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomReadTest</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomScanWithRange10000Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomScanWithRange10000Test</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomScanWithRange100Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomScanWithRange100Test</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomScanWithRange10Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomScanWithRange10Test</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomScanWithRangeTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomScanWithRangeTest</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomSeekScanTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomSeekScanTest</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.RandomWriteTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.RandomWriteTest</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.ScanTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.ScanTest</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.SequentialReadTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.SequentialReadTest</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.SequentialWriteTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.SequentialWriteTest</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Status.html" title="interface in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Status</a></span></code>
<div class="block">Implementations can have their status set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.TableTest.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.TableTest</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.TestOptions.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.TestOptions</a></span></code>
<div class="block">Wraps up options passed to <a href="../../../../../org/apache/hadoop/hbase/PerformanceEvaluation.html" title="class in org.apache.hadoop.hbase"><code>PerformanceEvaluation</code></a> tests
This makes the reflection logic a little easier to understand...</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>private org.apache.hadoop.hbase.io.encoding.DataBlockEncoding</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#blockEncoding">blockEncoding</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static org.apache.hadoop.hbase.rest.client.Cluster</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#cluster">cluster</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.CmdDescriptor.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.CmdDescriptor</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#commands">commands</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private org.apache.hadoop.hbase.io.compress.Compression.Algorithm</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#compression">compression</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#conf">conf</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private org.apache.hadoop.hbase.client.Connection</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#connection">connection</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#DEFAULT_ROW_PREFIX_LENGTH">DEFAULT_ROW_PREFIX_LENGTH</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#FAMILY_NAME">FAMILY_NAME</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#flushCommits">flushCommits</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#inMemoryCF">inMemoryCF</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#LINE_PATTERN">LINE_PATTERN</a></span></code>
<div class="block">Regex to parse lines in input file passed to mapreduce task.</div>
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<tr class="rowColor">
<td class="colFirst"><code>protected static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
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<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#N">N</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#nomapred">nomapred</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#noOfTags">noOfTags</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#ONE_GB">ONE_GB</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#PERF_EVAL_DIR">PERF_EVAL_DIR</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#presplitRegions">presplitRegions</a></span></code>&nbsp;</td>
</tr>
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<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#QUALIFIER_NAME">QUALIFIER_NAME</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#R">R</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#ROW_LENGTH">ROW_LENGTH</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#ROWS_PER_GB">ROWS_PER_GB</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected org.apache.hadoop.hbase.client.TableDescriptor</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#TABLE_DESCRIPTOR">TABLE_DESCRIPTOR</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static org.apache.hadoop.hbase.TableName</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#TABLE_NAME">TABLE_NAME</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.hbase.TableName</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#tableName">tableName</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#TAG_LENGTH">TAG_LENGTH</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#useTags">useTags</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#writeToWAL">writeToWAL</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#PerformanceEvaluation-org.apache.hadoop.conf.Configuration-">PerformanceEvaluation</a></span>(org.apache.hadoop.conf.Configuration&nbsp;c)</code>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#addCommandDescriptor-java.lang.Class-java.lang.String-java.lang.String-">addCommandDescriptor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmdClass,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#checkTable-org.apache.hadoop.hbase.rest.client.RemoteAdmin-">checkTable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/rest/client/RemoteAdmin.html" title="class in org.apache.hadoop.hbase.rest.client">RemoteAdmin</a>&nbsp;admin)</code>
<div class="block">If table does not already exist, create.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#determineCommandClass-java.lang.String-">determineCommandClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;cmd)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#doMapReduce-java.lang.Class-">doMapReduce</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd)</code>
<div class="block">Run a mapreduce job.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#doMultipleClients-java.lang.Class-">doMultipleClients</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd)</code>
<div class="block">Run all clients in this vm each to its own thread.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#format-int-">format</a></span>(int&nbsp;number)</code>
<div class="block">Format passed integer.</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#generateData-java.util.Random-int-">generateData</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;r,
int&nbsp;length)</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#generateValue-java.util.Random-">generateValue</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;r)</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#getArgs-int-java.lang.String:A-">getArgs</a></span>(int&nbsp;start,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>&nbsp;</td>
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<td class="colFirst"><code>protected org.apache.hadoop.hbase.client.TableDescriptor</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#getDescriptor--">getDescriptor</a></span>()</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>(package private) static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#getRandomRow-java.util.Random-int-">getRandomRow</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Random.html?is-external=true" title="class or interface in java.util">Random</a>&nbsp;random,
int&nbsp;totalRows)</code>&nbsp;</td>
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<td class="colFirst"><code>protected byte[][]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#getSplits--">getSplits</a></span>()</code>
<div class="block">Generates splits based on total number of rows and specified split regions</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#main-java.lang.String:A-">main</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>&nbsp;</td>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#printUsage--">printUsage</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#printUsage-java.lang.String-">printUsage</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;message)</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#run-java.lang.String:A-">run</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>&nbsp;</td>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#runNIsMoreThanOne-java.lang.Class-">runNIsMoreThanOne</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd)</code>
<div class="block">We're to run multiple clients concurrently.</div>
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#runNIsOne-java.lang.Class-">runNIsOne</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd)</code>&nbsp;</td>
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<tr id="i18" class="altColor">
<td class="colFirst"><code>(package private) long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#runOneClient-java.lang.Class-int-int-int-boolean-boolean-boolean-int-org.apache.hadoop.hbase.client.Connection-org.apache.hadoop.hbase.rest.PerformanceEvaluation.Status-">runOneClient</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd,
int&nbsp;startRow,
int&nbsp;perClientRunRows,
int&nbsp;totalRows,
boolean&nbsp;flushCommits,
boolean&nbsp;writeToWAL,
boolean&nbsp;useTags,
int&nbsp;noOfTags,
org.apache.hadoop.hbase.client.Connection&nbsp;connection,
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#runTest-java.lang.Class-">runTest</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends <a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.Test.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.Test</a>&gt;&nbsp;cmd)</code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.fs.Path</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#writeInputFile-org.apache.hadoop.conf.Configuration-">writeInputFile</a></span>(org.apache.hadoop.conf.Configuration&nbsp;c)</code>
<div class="block">Write input file of offsets-per-client for the mapreduce job.</div>
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<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../org/apache/hadoop/hbase/rest/PerformanceEvaluation.CmdDescriptor.html" title="class in org.apache.hadoop.hbase.rest">PerformanceEvaluation.CmdDescriptor</a>&gt; <a href="../../../../../src-html/org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#line.130">commands</a></pre>
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<pre>private&nbsp;int <a href="../../../../../src-html/org/apache/hadoop/hbase/rest/PerformanceEvaluation.html#line.136">R</a></pre>
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<div class="block">If table does not already exist, create.</div>
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<dd><code>admin</code> - Client to use checking.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if we created the table.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
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<div class="block">Generates splits based on total number of rows and specified split regions</div>
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<dt><span class="returnLabel">Returns:</span></dt>
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<div class="block">We're to run multiple clients concurrently. Setup a mapreduce job. Run
one map per client. Then run a single reduce to sum the elapsed times.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cmd</code> - Command to run.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<div class="block">Run all clients in this vm each to its own thread.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cmd</code> - Command to run</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if creating a connection fails</dd>
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<div class="block">Run a mapreduce job. Run as many maps as asked-for clients.
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cmd</code> - Command to run.</dd>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<div class="block">Write input file of offsets-per-client for the mapreduce job.</div>
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<dd><code>c</code> - Configuration</dd>
<dt><span class="returnLabel">Returns:</span></dt>
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<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if creating the directory or the file fails</dd>
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