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<h1 title="Package" class="title">Package&nbsp;org.apache.hadoop.hbase.regionserver.throttle</h1>
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<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/ThroughputController.html" title="interface in org.apache.hadoop.hbase.regionserver.throttle">ThroughputController</a></td>
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<div class="block">A utility that constrains the total throughput of one or more simultaneous flows by
sleeping when necessary.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/CompactionThroughputControllerFactory.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">CompactionThroughputControllerFactory</a></td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/FlushThroughputControllerFactory.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">FlushThroughputControllerFactory</a></td>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/NoLimitThroughputController.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">NoLimitThroughputController</a></td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareCompactionThroughputController.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">PressureAwareCompactionThroughputController</a></td>
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<div class="block">A throughput controller which uses the follow schema to limit throughput
If compaction pressure is greater than 1.0, no limitation.
In off peak hours, use a fixed throughput limitation
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareCompactionThroughputController.html#HBASE_HSTORE_COMPACTION_MAX_THROUGHPUT_OFFPEAK">"hbase.hstore.compaction.throughput.offpeak"</a>
In normal hours, the max throughput is tuned between
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareCompactionThroughputController.html#HBASE_HSTORE_COMPACTION_MAX_THROUGHPUT_LOWER_BOUND">"hbase.hstore.compaction.throughput.lower.bound"</a> and
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareCompactionThroughputController.html#HBASE_HSTORE_COMPACTION_MAX_THROUGHPUT_HIGHER_BOUND">"hbase.hstore.compaction.throughput.higher.bound"</a>, using the formula &quot;lower +
(higer - lower) * compactionPressure&quot;, where compactionPressure is in range [0.0, 1.0]
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareFlushThroughputController.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">PressureAwareFlushThroughputController</a></td>
<td class="colLast">
<div class="block">A throughput controller which uses the follow schema to limit throughput
If flush pressure is greater than or equal to 1.0, no limitation.
In normal case, the max throughput is tuned between
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareFlushThroughputController.html#HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_LOWER_BOUND">"hbase.hstore.flush.throughput.lower.bound"</a> and
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareFlushThroughputController.html#HBASE_HSTORE_FLUSH_MAX_THROUGHPUT_UPPER_BOUND">"hbase.hstore.flush.throughput.upper.bound"</a>, using the formula &quot;lower +
(upper - lower) * flushPressure&quot;, where flushPressure is in range [0.0, 1.0)
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareThroughputController.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">PressureAwareThroughputController</a></td>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/PressureAwareThroughputController.ActiveOperation.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">PressureAwareThroughputController.ActiveOperation</a></td>
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<div class="block">Stores the information of one controlled compaction.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/StoreHotnessProtector.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">StoreHotnessProtector</a></td>
<td class="colLast">
<div class="block">StoreHotnessProtector is designed to help limit the concurrency of puts with dense columns, it
does best-effort to avoid exhausting all RS's handlers.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/throttle/ThroughputControlUtil.html" title="class in org.apache.hadoop.hbase.regionserver.throttle">ThroughputControlUtil</a></td>
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<div class="block">Helper methods for throttling</div>
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