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| <div class="subTitle">org.apache.hadoop.hbase.namespace</div> |
| <h2 title="Class NamespaceAuditor" class="title">Class NamespaceAuditor</h2> |
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| <li>org.apache.hadoop.hbase.namespace.NamespaceAuditor</li> |
| </ul> |
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| <div class="description"> |
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| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.40">NamespaceAuditor</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></pre> |
| <div class="block">The Class NamespaceAuditor performs checks to ensure operations like table creation |
| and region splitting preserve namespace quota. The namespace quota can be specified |
| while namespace creation.</div> |
| </li> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#LOG">LOG</a></span></code> </td> |
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| <tr class="rowColor"> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#masterServices">masterServices</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceStateManager.html" title="class in org.apache.hadoop.hbase.namespace">NamespaceStateManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#stateManager">stateManager</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#NamespaceAuditor-org.apache.hadoop.hbase.master.MasterServices-">NamespaceAuditor</a></span>(<a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a> masterServices)</code> </td> |
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| </tr> |
| <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/namespace/NamespaceAuditor.html#addNamespace-org.apache.hadoop.hbase.NamespaceDescriptor-">addNamespace</a></span>(<a href="../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> ns)</code> </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/namespace/NamespaceAuditor.html#checkQuotaToCreateTable-org.apache.hadoop.hbase.TableName-int-">checkQuotaToCreateTable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tName, |
| int regions)</code> |
| <div class="block">Check quota to create table.</div> |
| </td> |
| </tr> |
| <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/namespace/NamespaceAuditor.html#checkQuotaToSplitRegion-org.apache.hadoop.hbase.client.RegionInfo-">checkQuotaToSplitRegion</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#checkQuotaToUpdateRegion-org.apache.hadoop.hbase.TableName-int-">checkQuotaToUpdateRegion</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tName, |
| int regions)</code> |
| <div class="block">Check and update region count quota for an existing table.</div> |
| </td> |
| </tr> |
| <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/namespace/NamespaceAuditor.html#checkTableTypeAndThrowException-org.apache.hadoop.hbase.TableName-">checkTableTypeAndThrowException</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> name)</code> </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/namespace/NamespaceAuditor.html#deleteNamespace-java.lang.String-">deleteNamespace</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> namespace)</code> </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/namespace/NamespaceAuditor.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> tName)</code> |
| <div class="block">Get region count for table</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceTableAndRegionInfo.html" title="class in org.apache.hadoop.hbase.namespace">NamespaceTableAndRegionInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#getState-java.lang.String-">getState</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> namespace)</code> </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/namespace/NamespaceAuditor.html#isInitialized--">isInitialized</a></span>()</code> |
| <div class="block">Checks if namespace auditor is initialized.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#removeFromNamespaceUsage-org.apache.hadoop.hbase.TableName-">removeFromNamespaceUsage</a></span>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#removeRegionFromNamespaceUsage-org.apache.hadoop.hbase.client.RegionInfo-">removeRegionFromNamespaceUsage</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#start--">start</a></span>()</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#updateQuotaForRegionMerge-org.apache.hadoop.hbase.client.RegionInfo-">updateQuotaForRegionMerge</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> mergedRegion)</code> </td> |
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| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.41">LOG</a></pre> |
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| <dl> |
| <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 void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.66">checkQuotaToCreateTable</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tName, |
| int regions) |
| 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">Check quota to create table. |
| We add the table information to namespace state cache, assuming the operation will |
| pass. If the operation fails, then the next time namespace state chore runs |
| namespace state cache will be corrected.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tName</code> - - The table name to check quota.</dd> |
| <dd><code>regions</code> - - Number of regions that will be added.</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>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.84">checkQuotaToUpdateRegion</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tName, |
| int regions) |
| 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">Check and update region count quota for an existing table.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tName</code> - - table name for which region count to be updated.</dd> |
| <dd><code>regions</code> - - Number of regions that will be added.</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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| <h4>checkTableTypeAndThrowException</h4> |
| <pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.92">checkTableTypeAndThrowException</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> name) |
| 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> |
| <dl> |
| <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> |
| </dl> |
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| <h4>getRegionCountOfTable</h4> |
| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.107">getRegionCountOfTable</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tName) |
| 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">Get region count for table</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tName</code> - - table name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>cached region count, or -1 if table status not found</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 the namespace auditor has not been initialized</dd> |
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| <a name="checkQuotaToSplitRegion-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <h4>checkQuotaToSplitRegion</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.116">checkQuotaToSplitRegion</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> 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> |
| <dl> |
| <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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| <h4>updateQuotaForRegionMerge</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.127">updateQuotaForRegionMerge</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> mergedRegion) |
| 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> |
| <dl> |
| <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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| <h4>addNamespace</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.138">addNamespace</a>(<a href="../../../../../org/apache/hadoop/hbase/NamespaceDescriptor.html" title="class in org.apache.hadoop.hbase">NamespaceDescriptor</a> ns) |
| 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> |
| <dl> |
| <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 void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.142">deleteNamespace</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> namespace) |
| 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> |
| <dl> |
| <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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| <h4>removeFromNamespaceUsage</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.146">removeFromNamespaceUsage</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName) |
| 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> |
| <dl> |
| <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 void <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.151">removeRegionFromNamespaceUsage</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> 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> |
| <dl> |
| <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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| <h4>getState</h4> |
| <pre>public <a href="../../../../../org/apache/hadoop/hbase/namespace/NamespaceTableAndRegionInfo.html" title="class in org.apache.hadoop.hbase.namespace">NamespaceTableAndRegionInfo</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.159">getState</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> namespace)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>namespace</code> - The name of the namespace</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An instance of NamespaceTableAndRegionInfo</dd> |
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| <h4>isInitialized</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/namespace/NamespaceAuditor.html#line.171">isInitialized</a>()</pre> |
| <div class="block">Checks if namespace auditor is initialized. Used only for testing.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true, if is initialized</dd> |
| </dl> |
| </li> |
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