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| <div class="subTitle">org.apache.hadoop.yarn.server.nodemanager</div> |
| <h2 title="Class DirectoryCollection" class="title">Class DirectoryCollection</h2> |
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| <li>org.apache.hadoop.yarn.server.nodemanager.DirectoryCollection</li> |
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| <pre>public class <span class="typeNameLabel">DirectoryCollection</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">Manages a list of local storage directories.</div> |
| </li> |
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| <th class="colLast" scope="col">Class and Description</th> |
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| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.DirsChangeListener.html" title="interface in org.apache.hadoop.yarn.server.nodemanager">DirectoryCollection.DirsChangeListener</a></span></code> |
| <div class="block">The interface provides a callback when localDirs is changed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.DiskErrorCause.html" title="enum in org.apache.hadoop.yarn.server.nodemanager">DirectoryCollection.DiskErrorCause</a></span></code> |
| <div class="block">The enum defines disk failure type.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-">DirectoryCollection</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>[] dirs)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-float-">DirectoryCollection</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>[] dirs, |
| float utilizationPercentageCutOff)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-float-float-long-">DirectoryCollection</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>[] dirs, |
| float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow, |
| long utilizationSpaceCutOff)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-float-float-long-long-">DirectoryCollection</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>[] dirs, |
| float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow, |
| long utilizationSpaceCutOffLow, |
| long utilizationSpaceCutOffHigh)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-long-">DirectoryCollection</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>[] dirs, |
| long utilizationSpaceCutOff)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#DirectoryCollection-java.lang.String:A-long-long-">DirectoryCollection</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>[] dirs, |
| long utilizationSpaceCutOffLow, |
| long utilizationSpaceCutOffHigh)</code> |
| <div class="block">Create collection for the directories specified.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#getDiskUtilizationSpaceCutoff--">getDiskUtilizationSpaceCutoff</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#getGoodDirsDiskUtilizationPercentage--">getGoodDirsDiskUtilizationPercentage</a></span>()</code> </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/yarn/server/nodemanager/DirectoryCollection.html#setDiskUtilizationPercentageCutoff-float-float-">setDiskUtilizationPercentageCutoff</a></span>(float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow)</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/yarn/server/nodemanager/DirectoryCollection.html#setDiskUtilizationSpaceCutoff-long-">setDiskUtilizationSpaceCutoff</a></span>(long freeSpaceCutoff)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.html#setDiskUtilizationSpaceCutoff-long-long-">setDiskUtilizationSpaceCutoff</a></span>(long freeSpaceCutoffLow, |
| long freeSpaceCutoffHigh)</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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| </ul> |
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| </div> |
| <div class="details"> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="DirectoryCollection-java.lang.String:A-"> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs)</pre> |
| <div class="block">Create collection for the directories specified. No check for free space.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="DirectoryCollection-java.lang.String:A-float-"> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs, |
| float utilizationPercentageCutOff)</pre> |
| <div class="block">Create collection for the directories specified. Users must specify the |
| maximum percentage of disk utilization allowed. Minimum amount of disk |
| space is not checked.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| <dd><code>utilizationPercentageCutOff</code> - percentage of disk that can be used before the dir is taken out of |
| the good dirs list</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs, |
| long utilizationSpaceCutOff)</pre> |
| <div class="block">Create collection for the directories specified. Users must specify the |
| minimum amount of free space that must be available for the dir to be used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| <dd><code>utilizationSpaceCutOff</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be marked as good</dd> |
| </dl> |
| </li> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs, |
| long utilizationSpaceCutOffLow, |
| long utilizationSpaceCutOffHigh)</pre> |
| <div class="block">Create collection for the directories specified. Users must specify the |
| minimum amount of free space that must be available for the dir to be used.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| <dd><code>utilizationSpaceCutOffLow</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be taken out of the good dirs list</dd> |
| <dd><code>utilizationSpaceCutOffHigh</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be moved from the bad dirs list to the good dirs list</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="DirectoryCollection-java.lang.String:A-float-float-long-"> |
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| </a> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs, |
| float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow, |
| long utilizationSpaceCutOff)</pre> |
| <div class="block">Create collection for the directories specified. Users must specify the |
| maximum percentage of disk utilization allowed and the minimum amount of |
| free space that must be available for the dir to be used. If either check |
| fails the dir is removed from the good dirs list.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| <dd><code>utilizationPercentageCutOffHigh</code> - percentage of disk that can be used before the dir is taken out of |
| the good dirs list</dd> |
| <dd><code>utilizationPercentageCutOffLow</code> - percentage of disk that can be used when the dir is moved from |
| the bad dirs list to the good dirs list</dd> |
| <dd><code>utilizationSpaceCutOff</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be marked as good</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="DirectoryCollection-java.lang.String:A-float-float-long-long-"> |
| <!-- --> |
| </a> |
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| <h4>DirectoryCollection</h4> |
| <pre>public DirectoryCollection(<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>[] dirs, |
| float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow, |
| long utilizationSpaceCutOffLow, |
| long utilizationSpaceCutOffHigh)</pre> |
| <div class="block">Create collection for the directories specified. Users must specify the |
| maximum percentage of disk utilization allowed and the minimum amount of |
| free space that must be available for the dir to be used. If either check |
| fails the dir is removed from the good dirs list.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dirs</code> - directories to be monitored</dd> |
| <dd><code>utilizationPercentageCutOffHigh</code> - percentage of disk that can be used before the dir is taken out |
| of the good dirs list</dd> |
| <dd><code>utilizationPercentageCutOffLow</code> - percentage of disk that can be used when the dir is moved from |
| the bad dirs list to the good dirs list</dd> |
| <dd><code>utilizationSpaceCutOffLow</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be taken out of the good dirs list</dd> |
| <dd><code>utilizationSpaceCutOffHigh</code> - minimum space, in MB, that must be available on the disk for the |
| dir to be moved from the bad dirs list to the good dirs list</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="setDiskUtilizationPercentageCutoff-float-float-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>setDiskUtilizationPercentageCutoff</h4> |
| <pre>public void setDiskUtilizationPercentageCutoff(float utilizationPercentageCutOffHigh, |
| float utilizationPercentageCutOffLow)</pre> |
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| </ul> |
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| <h4>getDiskUtilizationSpaceCutoff</h4> |
| <pre>public long getDiskUtilizationSpaceCutoff()</pre> |
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| <h4>setDiskUtilizationSpaceCutoff</h4> |
| <pre>public void setDiskUtilizationSpaceCutoff(long freeSpaceCutoff)</pre> |
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| <h4>setDiskUtilizationSpaceCutoff</h4> |
| <pre>public void setDiskUtilizationSpaceCutoff(long freeSpaceCutoffLow, |
| long freeSpaceCutoffHigh)</pre> |
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