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| <div class="subTitle">org.apache.hadoop.hbase.metrics</div> |
| <h2 title="Interface Meter" class="title">Interface Meter</h2> |
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| <dl> |
| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/metrics/Metric.html" title="interface in org.apache.hadoop.hbase.metrics">Metric</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/metrics/impl/DropwizardMeter.html" title="class in org.apache.hadoop.hbase.metrics.impl">DropwizardMeter</a></dd> |
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| <pre>@InterfaceAudience.LimitedPrivate(value="Coprocesssor") |
| @InterfaceStability.Evolving |
| public interface <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.29">Meter</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/metrics/Metric.html" title="interface in org.apache.hadoop.hbase.metrics">Metric</a></pre> |
| <div class="block">A metric which measure the rate at which some operation is invoked.</div> |
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| <tr> |
| <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>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#getCount--">getCount</a></span>()</code> |
| <div class="block">Returns the number of events.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#getFifteenMinuteRate--">getFifteenMinuteRate</a></span>()</code> |
| <div class="block">Returns the fifteen-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#getFiveMinuteRate--">getFiveMinuteRate</a></span>()</code> |
| <div class="block">Returns the five-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#getMeanRate--">getMeanRate</a></span>()</code> |
| <div class="block">Returns the mean rate at which events have occurred since the meter was created.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#getOneMinuteRate--">getOneMinuteRate</a></span>()</code> |
| <div class="block">Returns the one-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#mark--">mark</a></span>()</code> |
| <div class="block">Records one occurrence.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html#mark-long-">mark</a></span>(long events)</code> |
| <div class="block">Records <code>events</code> occurrences.</div> |
| </td> |
| </tr> |
| </table> |
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| </ul> |
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| <h4>mark</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.34">mark</a>()</pre> |
| <div class="block">Records one occurrence.</div> |
| </li> |
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| <a name="mark-long-"> |
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| <h4>mark</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.41">mark</a>(long events)</pre> |
| <div class="block">Records <code>events</code> occurrences.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>events</code> - Number of occurrences to record.</dd> |
| </dl> |
| </li> |
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| <a name="getCount--"> |
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| <h4>getCount</h4> |
| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.47">getCount</a>()</pre> |
| <div class="block">Returns the number of events.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of events.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMeanRate--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>getMeanRate</h4> |
| <pre>double <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.53">getMeanRate</a>()</pre> |
| <div class="block">Returns the mean rate at which events have occurred since the meter was created.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the mean rate at which events have occurred since the meter was created</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getOneMinuteRate</h4> |
| <pre>double <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.65">getOneMinuteRate</a>()</pre> |
| <div class="block">Returns the one-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created. |
| <p/> |
| This rate has the same exponential decay factor as the one-minute load average in the <code>top</code> Unix command.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the one-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFiveMinuteRate--"> |
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| <h4>getFiveMinuteRate</h4> |
| <pre>double <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.77">getFiveMinuteRate</a>()</pre> |
| <div class="block">Returns the five-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created. |
| <p/> |
| This rate has the same exponential decay factor as the five-minute load average in the <code>top</code> Unix command.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the five-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFifteenMinuteRate--"> |
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| <h4>getFifteenMinuteRate</h4> |
| <pre>double <a href="../../../../../src-html/org/apache/hadoop/hbase/metrics/Meter.html#line.89">getFifteenMinuteRate</a>()</pre> |
| <div class="block">Returns the fifteen-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created. |
| <p/> |
| This rate has the same exponential decay factor as the fifteen-minute load average in the |
| <code>top</code> Unix command.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the fifteen-minute exponentially-weighted moving average rate at which events have |
| occurred since the meter was created</dd> |
| </dl> |
| </li> |
| </ul> |
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