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<div class="subTitle">org.apache.hadoop.hbase.quotas</div>
<h2 title="Class MasterQuotaManager" class="title">Class MasterQuotaManager</h2>
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<ul class="inheritance">
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<li>org.apache.hadoop.hbase.quotas.MasterQuotaManager</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html" title="interface in org.apache.hadoop.hbase">RegionStateListener</a></dd>
</dl>
<hr>
<br>
<pre>@InterfaceAudience.Private
@InterfaceStability.Evolving
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.77">MasterQuotaManager</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html" title="interface in org.apache.hadoop.hbase">RegionStateListener</a></pre>
<div class="block">Master Quota Manager.
It is responsible for initialize the quota table on the first-run and
provide the admin operations to interact with the quota table.
TODO: FUTURE: The master will be responsible to notify each RS of quota changes
and it will do the "quota aggregation" when the QuotaScope is CLUSTER.</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>
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<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.NamedLock.html" title="class in org.apache.hadoop.hbase.quotas">MasterQuotaManager.NamedLock</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.NamedLock.html" title="type parameter in MasterQuotaManager.NamedLock">T</a>&gt;</span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.SetQuotaOperations.html" title="interface in org.apache.hadoop.hbase.quotas">MasterQuotaManager.SetQuotaOperations</a></span></code>
<div class="block">Encapsulates CRUD quota operations for some subject.</div>
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<td class="colFirst"><code>private static class&nbsp;</code></td>
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<div class="block">Holds the size of a region at the given time, millis since the epoch.</div>
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<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 static <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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</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>&gt;</code></td>
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<td class="colFirst"><code>private boolean</code></td>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a></code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.NamedLock.html" title="class in org.apache.hadoop.hbase.quotas">MasterQuotaManager.NamedLock</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>&gt;</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#regionServerLocks">regionServerLocks</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.SizeSnapshotWithTimestamp.html" title="class in org.apache.hadoop.hbase.quotas">MasterQuotaManager.SizeSnapshotWithTimestamp</a>&gt;</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/quotas/RpcThrottleStorage.html" title="class in org.apache.hadoop.hbase.quotas">RpcThrottleStorage</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#rpcThrottleStorage">rpcThrottleStorage</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.NamedLock.html" title="class in org.apache.hadoop.hbase.quotas">MasterQuotaManager.NamedLock</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#tableLocks">tableLocks</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.NamedLock.html" title="class in org.apache.hadoop.hbase.quotas">MasterQuotaManager.NamedLock</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>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#userLocks">userLocks</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#MasterQuotaManager-org.apache.hadoop.hbase.master.MasterServices-">MasterQuotaManager</a></span>(<a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a>&nbsp;masterServices)</code>&nbsp;</td>
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<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">&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>
<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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#addRegionSize-org.apache.hadoop.hbase.client.RegionInfo-long-long-">addRegionSize</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;hri,
long&nbsp;size,
long&nbsp;time)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#checkAndUpdateNamespaceRegionQuota-org.apache.hadoop.hbase.TableName-int-">checkAndUpdateNamespaceRegionQuota</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tName,
int&nbsp;regions)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#checkNamespaceTableAndRegionQuota-org.apache.hadoop.hbase.TableName-int-">checkNamespaceTableAndRegionQuota</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tName,
int&nbsp;regions)</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/quotas/MasterQuotaManager.html#checkQuotaSupport--">checkQuotaSupport</a></span>()</code>&nbsp;</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/quotas/MasterQuotaManager.html#createQuotaTable--">createQuotaTable</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html" title="class in org.apache.hadoop.hbase.namespace">NamespaceAuditor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#getNamespaceQuotaManager--">getNamespaceQuotaManager</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#getRegionCountOfTable-org.apache.hadoop.hbase.TableName-">getRegionCountOfTable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tName)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#initializeRegionSizes--">initializeRegionSizes</a></span>()</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#isExceedThrottleQuotaEnabled--">isExceedThrottleQuotaEnabled</a></span>()</code>&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#isInViolationAndPolicyDisable-org.apache.hadoop.hbase.TableName-org.apache.hadoop.hbase.quotas.QuotaObserverChore-">isInViolationAndPolicyDisable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="../../../../../org/apache/hadoop/hbase/quotas/QuotaObserverChore.html" title="class in org.apache.hadoop.hbase.quotas">QuotaObserverChore</a>&nbsp;quotaObserverChore)</code>
<div class="block">Method to check if a table is in violation and policy set on table is DISABLE.</div>
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</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#isQuotaInitialized--">isQuotaInitialized</a></span>()</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#isRpcThrottleEnabled--">isRpcThrottleEnabled</a></span>()</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsRpcThrottleEnabledResponse</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#isRpcThrottleEnabled-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsRpcThrottleEnabledRequest-">isRpcThrottleEnabled</a></span>(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsRpcThrottleEnabledRequest&nbsp;request)</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#onRegionMerged-org.apache.hadoop.hbase.client.RegionInfo-">onRegionMerged</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;mergedRegion)</code>
<div class="block">Process region merge event.</div>
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</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#onRegionSplit-org.apache.hadoop.hbase.client.RegionInfo-">onRegionSplit</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;hri)</code>
<div class="block">Process region split event.</div>
</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#onRegionSplitReverted-org.apache.hadoop.hbase.client.RegionInfo-">onRegionSplitReverted</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;hri)</code>
<div class="block">Process region split reverted event.</div>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#processFileArchivals-org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationRequest-org.apache.hadoop.hbase.client.Connection-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-">processFileArchivals</a></span>(org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationRequest&nbsp;request,
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>(package private) int</code></td>
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<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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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.628">onRegionSplitReverted</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;hri)
throws <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></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html#onRegionSplitReverted-org.apache.hadoop.hbase.client.RegionInfo-">RegionStateListener</a></code></span></div>
<div class="block">Process region split reverted event.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html#onRegionSplitReverted-org.apache.hadoop.hbase.client.RegionInfo-">onRegionSplitReverted</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html" title="interface in org.apache.hadoop.hbase">RegionStateListener</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>hri</code> - An instance of RegionInfo</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> - Signals that an I/O exception has occurred.</dd>
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<pre>void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.678">initializeRegionSizes</a>()</pre>
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long&nbsp;size,
long&nbsp;time)</pre>
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<pre>public&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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</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>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.690">snapshotRegionSizes</a>()</pre>
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<pre>int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.702">pruneEntriesOlderThan</a>(long&nbsp;timeToPruneBefore,
<a href="../../../../../org/apache/hadoop/hbase/quotas/QuotaObserverChore.html" title="class in org.apache.hadoop.hbase.quotas">QuotaObserverChore</a>&nbsp;quotaObserverChore)</pre>
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<a href="../../../../../org/apache/hadoop/hbase/quotas/QuotaObserverChore.html" title="class in org.apache.hadoop.hbase.quotas">QuotaObserverChore</a>&nbsp;quotaObserverChore)</pre>
<div class="block">Method to check if a table is in violation and policy set on table is DISABLE.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - tableName to check.</dd>
<dd><code>quotaObserverChore</code> - QuotaObserverChore instance</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>returns true if table is in violation and policy is disable else false.</dd>
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<a name="processFileArchivals-org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationRequest-org.apache.hadoop.hbase.client.Connection-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-">
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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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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/quotas/MasterQuotaManager.html#line.788">removeRegionSizesForTable</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block">Removes each region size entry where the RegionInfo references the provided TableName.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - tableName.</dd>
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