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| <h2 title="Interface MetricsRegionWrapper" class="title">Interface MetricsRegionWrapper</h2> |
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| <pre>@InterfaceAudience.Private |
| public interface <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.30">MetricsRegionWrapper</a></pre> |
| <div class="block">Interface of class that will wrap an HRegion and export numbers so they can be |
| used in MetricsRegionSource</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <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/regionserver/MetricsRegionWrapper.html#getAvgStoreFileAge--">getAvgStoreFileAge</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getCpRequestCount--">getCpRequestCount</a></span>()</code> |
| <div class="block">Get the total number of CoprocessorService requests that have been issued against this region</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getFilteredReadRequestCount--">getFilteredReadRequestCount</a></span>()</code> |
| <div class="block">Get the total number of filtered read requests that have been issued against this region</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getLastMajorCompactionAge--">getLastMajorCompactionAge</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMaxCompactedStoreFileRefCount--">getMaxCompactedStoreFileRefCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMaxCompactionQueueSize--">getMaxCompactionQueueSize</a></span>()</code> |
| <div class="block">Note that this metric is updated periodically and hence might miss some data points.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMaxFlushQueueSize--">getMaxFlushQueueSize</a></span>()</code> |
| <div class="block">Note that this metric is updated periodically and hence might miss some data points.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMaxStoreFileAge--">getMaxStoreFileAge</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><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><<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMemstoreOnlyRowReadsCount--">getMemstoreOnlyRowReadsCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMemStoreSize--">getMemStoreSize</a></span>()</code> |
| <div class="block">Get the size of the memstore on this region server.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMinStoreFileAge--">getMinStoreFileAge</a></span>()</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><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><<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getMixedRowReadsCount--">getMixedRowReadsCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNamespace--">getNamespace</a></span>()</code> |
| <div class="block">Get the name of the namespace this table is in.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumBytesCompacted--">getNumBytesCompacted</a></span>()</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumCompactionsCompleted--">getNumCompactionsCompleted</a></span>()</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumCompactionsFailed--">getNumCompactionsFailed</a></span>()</code> |
| <div class="block">Returns the total number of compactions that have been reported as failed on this region.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumCompactionsQueued--">getNumCompactionsQueued</a></span>()</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumFilesCompacted--">getNumFilesCompacted</a></span>()</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumFlushesQueued--">getNumFlushesQueued</a></span>()</code> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumReferenceFiles--">getNumReferenceFiles</a></span>()</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumStoreFiles--">getNumStoreFiles</a></span>()</code> |
| <div class="block">Get the number of store files hosted on this region server.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getNumStores--">getNumStores</a></span>()</code> |
| <div class="block">Get the number of stores hosted on this region server.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getReadRequestCount--">getReadRequestCount</a></span>()</code> |
| <div class="block">Get the total number of read requests that have been issued against this region</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getRegionHashCode--">getRegionHashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getRegionName--">getRegionName</a></span>()</code> |
| <div class="block">Get the name of the region.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getReplicaId--">getReplicaId</a></span>()</code> |
| <div class="block">Get the replica id of this region.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getStoreFileSize--">getStoreFileSize</a></span>()</code> |
| <div class="block">Get the total size of the store files this region server is serving from.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getStoreRefCount--">getStoreRefCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getTableName--">getTableName</a></span>()</code> |
| <div class="block">Get the name of the table the region belongs to.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getTotalRequestCount--">getTotalRequestCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#getWriteRequestCount--">getWriteRequestCount</a></span>()</code> |
| <div class="block">Get the total number of mutations that have been issued against this region.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Method Detail</h3> |
| <a name="getTableName--"> |
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| <h4>getTableName</h4> |
| <pre><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="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.37">getTableName</a>()</pre> |
| <div class="block">Get the name of the table the region belongs to.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The string version of the table name.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getNamespace</h4> |
| <pre><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="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.43">getNamespace</a>()</pre> |
| <div class="block">Get the name of the namespace this table is in.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>String version of the namespace. Can't be empty.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRegionName--"> |
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| </a> |
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| <h4>getRegionName</h4> |
| <pre><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="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.50">getRegionName</a>()</pre> |
| <div class="block">Get the name of the region.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The encoded name of the region.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNumStores--"> |
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| <h4>getNumStores</h4> |
| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.55">getNumStores</a>()</pre> |
| <div class="block">Get the number of stores hosted on this region server.</div> |
| </li> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.60">getNumStoreFiles</a>()</pre> |
| <div class="block">Get the number of store files hosted on this region server.</div> |
| </li> |
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| <a name="getMemStoreSize--"> |
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| <h4>getMemStoreSize</h4> |
| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.65">getMemStoreSize</a>()</pre> |
| <div class="block">Get the size of the memstore on this region server.</div> |
| </li> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.70">getStoreFileSize</a>()</pre> |
| <div class="block">Get the total size of the store files this region server is serving from.</div> |
| </li> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.75">getReadRequestCount</a>()</pre> |
| <div class="block">Get the total number of read requests that have been issued against this region</div> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.80">getCpRequestCount</a>()</pre> |
| <div class="block">Get the total number of CoprocessorService requests that have been issued against this region</div> |
| </li> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.85">getFilteredReadRequestCount</a>()</pre> |
| <div class="block">Get the total number of filtered read requests that have been issued against this region</div> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Max age of store files under this region</dd> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Min age of store files under this region</dd> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Average age of store files under this region</dd> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Number of reference files under this region</dd> |
| </dl> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.110">getWriteRequestCount</a>()</pre> |
| <div class="block">Get the total number of mutations that have been issued against this region.</div> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Age of the last major compaction</dd> |
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| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.130">getNumCompactionsFailed</a>()</pre> |
| <div class="block">Returns the total number of compactions that have been reported as failed on this region. |
| Note that a given compaction can be reported as both completed and failed if an exception |
| is thrown in the processing after <code>HRegion.compact()</code>.</div> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the total number of compactions that are currently queued(or being executed) at point |
| in time</dd> |
| </dl> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the total number of flushes currently queued(being executed) for this region at point |
| in time</dd> |
| </dl> |
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| <div class="block">Note that this metric is updated periodically and hence might miss some data points.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the max number of compactions queued for this region</dd> |
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| <div class="block">Note that this metric is updated periodically and hence might miss some data points.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the max number of flushes queued for this region</dd> |
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| <pre>int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.158">getRegionHashCode</a>()</pre> |
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| <pre>int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.163">getReplicaId</a>()</pre> |
| <div class="block">Get the replica id of this region.</div> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of references active on the store</dd> |
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| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the max number of references active on any store file among |
| all compacted store files that belong to this region</dd> |
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| <pre><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><<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.179">getMemstoreOnlyRowReadsCount</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of row reads completely on memstore per store</dd> |
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| <pre><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><<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="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.html#line.184">getMixedRowReadsCount</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of row reads on memstore and file per store</dd> |
| </dl> |
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