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| <div class="subTitle">org.apache.hadoop.hdfs.server.blockmanagement</div> |
| <h2 title="Class DatanodeStorageInfo" class="title">Class DatanodeStorageInfo</h2> |
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| <li>org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo</li> |
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| <pre>public class <span class="typeNameLabel">DatanodeStorageInfo</span> |
| 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">A Datanode has one or more storages. A storage in the Datanode is represented |
| by this class.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#EMPTY_ARRAY">EMPTY_ARRAY</a></span></code> </td> |
| </tr> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#addBlock-org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo-org.apache.hadoop.hdfs.protocol.Block-">addBlock</a></span>(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo b, |
| org.apache.hadoop.hdfs.protocol.Block reportedBlock)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#addBlockInitial-org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo-org.apache.hadoop.hdfs.protocol.Block-">addBlockInitial</a></span>(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo b, |
| org.apache.hadoop.hdfs.protocol.Block reportedBlock)</code> |
| <div class="block">For use during startup.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#areBlockContentsStale--">areBlockContentsStale</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#decrementBlocksScheduled-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo...-">decrementBlocksScheduled</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>... storages)</code> |
| <div class="block">Decrement the number of blocks scheduled for each given storage.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#equals-java.lang.Object-">equals</a></span>(<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> obj)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#getBlockReportCount--">getBlockReportCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#getDatanodeDescriptor--">getDatanodeDescriptor</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <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/hdfs/server/blockmanagement/DatanodeStorageInfo.html#getStorageID--">getStorageID</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.fs.StorageType</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#getStorageType--">getStorageType</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#incrementBlocksScheduled-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo...-">incrementBlocksScheduled</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>... storages)</code> |
| <div class="block">Increment the number of blocks scheduled for each given storage</div> |
| </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/hdfs/server/blockmanagement/DatanodeStorageInfo.html#setUtilizationForTesting-long-long-long-long-">setUtilizationForTesting</a></span>(long capacity, |
| long dfsUsed, |
| long remaining, |
| long blockPoolUsed)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.hdfs.protocol.DatanodeInfo[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#toDatanodeInfos-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo:A-">toDatanodeInfos</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <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/hdfs/server/blockmanagement/DatanodeStorageInfo.html#toStorageIDs-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo:A-">toStorageIDs</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.StorageType[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#toStorageTypes-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo:A-">toStorageTypes</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <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/hdfs/server/blockmanagement/DatanodeStorageInfo.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#treeSetCompact-long-">treeSetCompact</a></span>(long timeout)</code> |
| <div class="block">Compact the underlying TreeSet holding blocks.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#treeSetFillRatio--">treeSetFillRatio</a></span>()</code> |
| <div class="block">The fill ratio of the underlying TreeSet holding blocks.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html#updateFromStorage-org.apache.hadoop.hdfs.server.protocol.DatanodeStorage-">updateFromStorage</a></span>(org.apache.hadoop.hdfs.server.protocol.DatanodeStorage storage)</code> </td> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
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| <h4>EMPTY_ARRAY</h4> |
| <pre>public static final <a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] EMPTY_ARRAY</pre> |
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| <h3>Method Detail</h3> |
| <a name="toDatanodeInfos-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo:A-"> |
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| </a> |
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| <h4>toDatanodeInfos</h4> |
| <pre>public static org.apache.hadoop.hdfs.protocol.DatanodeInfo[] toDatanodeInfos(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</pre> |
| </li> |
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| <a name="toStorageIDs-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo:A-"> |
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| <h4>toStorageIDs</h4> |
| <pre>public static <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>[] toStorageIDs(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</pre> |
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| <h4>toStorageTypes</h4> |
| <pre>public static org.apache.hadoop.fs.StorageType[] toStorageTypes(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>[] storages)</pre> |
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| <h4>updateFromStorage</h4> |
| <pre>public void updateFromStorage(org.apache.hadoop.hdfs.server.protocol.DatanodeStorage storage)</pre> |
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| <h4>getBlockReportCount</h4> |
| <pre>public int getBlockReportCount()</pre> |
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| <pre>public boolean areBlockContentsStale()</pre> |
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| <h4>setUtilizationForTesting</h4> |
| <pre>public void setUtilizationForTesting(long capacity, |
| long dfsUsed, |
| long remaining, |
| long blockPoolUsed)</pre> |
| </li> |
| </ul> |
| <a name="getStorageID--"> |
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| <h4>getStorageID</h4> |
| <pre>public <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> getStorageID()</pre> |
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| <h4>getStorageType</h4> |
| <pre>public org.apache.hadoop.fs.StorageType getStorageType()</pre> |
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| <a name="addBlockInitial-org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo-org.apache.hadoop.hdfs.protocol.Block-"> |
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| <h4>addBlockInitial</h4> |
| <pre>public org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult addBlockInitial(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo b, |
| org.apache.hadoop.hdfs.protocol.Block reportedBlock)</pre> |
| <div class="block">For use during startup. Expects block to be added in sorted order |
| to enable fast insert in to the DatanodeStorageInfo</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>b</code> - Block to add to DatanodeStorageInfo</dd> |
| <dd><code>reportedBlock</code> - The reported replica</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Enum describing if block was added, replaced or already existed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addBlock-org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo-org.apache.hadoop.hdfs.protocol.Block-"> |
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| <pre>public org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult addBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo b, |
| org.apache.hadoop.hdfs.protocol.Block reportedBlock)</pre> |
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| <h4>getDatanodeDescriptor</h4> |
| <pre>public org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor getDatanodeDescriptor()</pre> |
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| <h4>incrementBlocksScheduled</h4> |
| <pre>public static void incrementBlocksScheduled(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>... storages)</pre> |
| <div class="block">Increment the number of blocks scheduled for each given storage</div> |
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| <a name="decrementBlocksScheduled-org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo...-"> |
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| <h4>decrementBlocksScheduled</h4> |
| <pre>public static void decrementBlocksScheduled(<a href="../../../../../../org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.html" title="class in org.apache.hadoop.hdfs.server.blockmanagement">DatanodeStorageInfo</a>... storages)</pre> |
| <div class="block">Decrement the number of blocks scheduled for each given storage. This will |
| be called during abandon block or delete of UC block.</div> |
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| <h4>treeSetFillRatio</h4> |
| <pre>public double treeSetFillRatio()</pre> |
| <div class="block">The fill ratio of the underlying TreeSet holding blocks.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the fill ratio of the tree</dd> |
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| <pre>public boolean treeSetCompact(long timeout)</pre> |
| <div class="block">Compact the underlying TreeSet holding blocks.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timeout</code> - Maximum time to spend compacting the tree set in |
| milliseconds.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if compaction completed, false if aborted</dd> |
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