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| <div class="subTitle">org.apache.hadoop.hdfs.server.diskbalancer.planner</div> |
| <h2 title="Class MoveStep" class="title">Class MoveStep</h2> |
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| <li>org.apache.hadoop.hdfs.server.diskbalancer.planner.MoveStep</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></dd> |
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| <pre>public class <span class="typeNameLabel">MoveStep</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> |
| implements <a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></pre> |
| <div class="block">Ignore fields with default values. In most cases Throughtput, diskErrors |
| tolerancePercent and bandwidth will be the system defaults. |
| So we will avoid serializing them into JSON.</div> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#MoveStep--">MoveStep</a></span>()</code> |
| <div class="block">Empty Constructor for JSON serialization.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#MoveStep-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-double-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-long-java.lang.String-">MoveStep</a></span>(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> sourceVolume, |
| double idealStorage, |
| <a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> destinationVolume, |
| long bytesToMove, |
| <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> volumeSetID)</code> |
| <div class="block">Constructs a MoveStep for the volume set.</div> |
| </td> |
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| <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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <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>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#getBandwidth--">getBandwidth</a></span>()</code> |
| <div class="block">Gets the disk Bandwidth.</div> |
| </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/hdfs/server/diskbalancer/planner/MoveStep.html#getBytesToMove--">getBytesToMove</a></span>()</code> |
| <div class="block">Returns number of bytes to move.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#getDestinationVolume--">getDestinationVolume</a></span>()</code> |
| <div class="block">Gets the destination volume.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#getIdealStorage--">getIdealStorage</a></span>()</code> |
| <div class="block">Gets the IdealStorage.</div> |
| </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/hdfs/server/diskbalancer/planner/MoveStep.html#getMaxDiskErrors--">getMaxDiskErrors</a></span>()</code> |
| <div class="block">Gets Maximum numbers of errors to be tolerated before this |
| move operation is aborted.</div> |
| </td> |
| </tr> |
| <tr id="i5" 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/diskbalancer/planner/MoveStep.html#getSizeString-long-">getSizeString</a></span>(long size)</code> |
| <div class="block">Returns human readable move sizes.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#getSourceVolume--">getSourceVolume</a></span>()</code> |
| <div class="block">Gets Source Volume.</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/hdfs/server/diskbalancer/planner/MoveStep.html#getTolerancePercent--">getTolerancePercent</a></span>()</code> |
| <div class="block">Tolerance Percentage indicates when a move operation is considered good |
| enough.</div> |
| </td> |
| </tr> |
| <tr id="i8" 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/hdfs/server/diskbalancer/planner/MoveStep.html#getVolumeSetID--">getVolumeSetID</a></span>()</code> |
| <div class="block">Gets a volume Set ID.</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/hdfs/server/diskbalancer/planner/MoveStep.html#setBandwidth-long-">setBandwidth</a></span>(long bandwidth)</code> |
| <div class="block">Sets the maximum disk bandwidth per sec to use for this step.</div> |
| </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/hdfs/server/diskbalancer/planner/MoveStep.html#setBytesToMove-long-">setBytesToMove</a></span>(long bytesToMove)</code> |
| <div class="block">Sets bytes to move.</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/diskbalancer/planner/MoveStep.html#setDestinationVolume-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-">setDestinationVolume</a></span>(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> destinationVolume)</code> |
| <div class="block">Sets destination volume.</div> |
| </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/hdfs/server/diskbalancer/planner/MoveStep.html#setIdealStorage-double-">setIdealStorage</a></span>(double idealStorage)</code> |
| <div class="block">Sets Ideal Storage.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#setMaxDiskErrors-long-">setMaxDiskErrors</a></span>(long maxDiskErrors)</code> |
| <div class="block">Sets the maximum numbers of Errors to be tolerated before this |
| step is aborted.</div> |
| </td> |
| </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/hdfs/server/diskbalancer/planner/MoveStep.html#setSourceVolume-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-">setSourceVolume</a></span>(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> sourceVolume)</code> |
| <div class="block">Set source volume.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#setTolerancePercent-long-">setTolerancePercent</a></span>(long tolerancePercent)</code> |
| <div class="block">Sets the tolerance percentage.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/MoveStep.html#setVolumeSetID-java.lang.String-">setVolumeSetID</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> volumeSetID)</code> |
| <div class="block">Sets volume id.</div> |
| </td> |
| </tr> |
| <tr id="i17" 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/diskbalancer/planner/MoveStep.html#toString--">toString</a></span>()</code> |
| <div class="block">Returns a string representation of the object.</div> |
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| </div> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="MoveStep-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-double-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-long-java.lang.String-"> |
| <!-- --> |
| </a> |
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| <h4>MoveStep</h4> |
| <pre>public MoveStep(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> sourceVolume, |
| double idealStorage, |
| <a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> destinationVolume, |
| long bytesToMove, |
| <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> volumeSetID)</pre> |
| <div class="block">Constructs a MoveStep for the volume set.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sourceVolume</code> - - Source Disk</dd> |
| <dd><code>idealStorage</code> - - Ideal Storage Value for this disk set</dd> |
| <dd><code>destinationVolume</code> - - Destination dis</dd> |
| <dd><code>bytesToMove</code> - - number of bytes to move</dd> |
| <dd><code>volumeSetID</code> - - a diskBalancer generated id.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="MoveStep--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>MoveStep</h4> |
| <pre>public MoveStep()</pre> |
| <div class="block">Empty Constructor for JSON serialization.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="getBytesToMove--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getBytesToMove</h4> |
| <pre>public long getBytesToMove()</pre> |
| <div class="block">Returns number of bytes to move.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getBytesToMove--">getBytesToMove</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>- long</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDestinationVolume--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>getDestinationVolume</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> getDestinationVolume()</pre> |
| <div class="block">Gets the destination volume.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getDestinationVolume--">getDestinationVolume</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>- volume</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getIdealStorage--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getIdealStorage</h4> |
| <pre>public double getIdealStorage()</pre> |
| <div class="block">Gets the IdealStorage.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getIdealStorage--">getIdealStorage</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>float</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSourceVolume--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSourceVolume</h4> |
| <pre>public <a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> getSourceVolume()</pre> |
| <div class="block">Gets Source Volume.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getSourceVolume--">getSourceVolume</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>-- Source Volume</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getVolumeSetID--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getVolumeSetID</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> getVolumeSetID()</pre> |
| <div class="block">Gets a volume Set ID.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getVolumeSetID--">getVolumeSetID</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>String</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setSourceVolume-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>setSourceVolume</h4> |
| <pre>public void setSourceVolume(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> sourceVolume)</pre> |
| <div class="block">Set source volume.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sourceVolume</code> - - volume</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setDestinationVolume-org.apache.hadoop.hdfs.server.diskbalancer.datamodel.DiskBalancerVolume-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>setDestinationVolume</h4> |
| <pre>public void setDestinationVolume(<a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/datamodel/DiskBalancerVolume.html" title="class in org.apache.hadoop.hdfs.server.diskbalancer.datamodel">DiskBalancerVolume</a> destinationVolume)</pre> |
| <div class="block">Sets destination volume.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>destinationVolume</code> - - volume</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setIdealStorage-double-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setIdealStorage</h4> |
| <pre>public void setIdealStorage(double idealStorage)</pre> |
| <div class="block">Sets Ideal Storage.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>idealStorage</code> - - ideal Storage</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setBytesToMove-long-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setBytesToMove</h4> |
| <pre>public void setBytesToMove(long bytesToMove)</pre> |
| <div class="block">Sets bytes to move.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bytesToMove</code> - - number of bytes</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setVolumeSetID-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setVolumeSetID</h4> |
| <pre>public void setVolumeSetID(<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> volumeSetID)</pre> |
| <div class="block">Sets volume id.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>volumeSetID</code> - - volume ID</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toString</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> toString()</pre> |
| <div class="block">Returns a string representation of the object.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><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></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a string representation of the object.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSizeString-long-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSizeString</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> getSizeString(long size)</pre> |
| <div class="block">Returns human readable move sizes.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getSizeString-long-">getSizeString</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>size</code> - - bytes being moved.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>String</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMaxDiskErrors--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMaxDiskErrors</h4> |
| <pre>public long getMaxDiskErrors()</pre> |
| <div class="block">Gets Maximum numbers of errors to be tolerated before this |
| move operation is aborted.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getMaxDiskErrors--">getMaxDiskErrors</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>long.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setMaxDiskErrors-long-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>setMaxDiskErrors</h4> |
| <pre>public void setMaxDiskErrors(long maxDiskErrors)</pre> |
| <div class="block">Sets the maximum numbers of Errors to be tolerated before this |
| step is aborted.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#setMaxDiskErrors-long-">setMaxDiskErrors</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>maxDiskErrors</code> - - long</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTolerancePercent--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTolerancePercent</h4> |
| <pre>public long getTolerancePercent()</pre> |
| <div class="block">Tolerance Percentage indicates when a move operation is considered good |
| enough. This is a percentage of deviation from ideal that is considered |
| fine. |
| |
| For example : if the ideal amount on each disk was 1 TB and the |
| tolerance was 10%, then getting to 900 GB on the destination disk is |
| considerd good enough.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getTolerancePercent--">getTolerancePercent</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>tolerance percentage.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setTolerancePercent-long-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>setTolerancePercent</h4> |
| <pre>public void setTolerancePercent(long tolerancePercent)</pre> |
| <div class="block">Sets the tolerance percentage.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#setTolerancePercent-long-">setTolerancePercent</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tolerancePercent</code> - - long</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBandwidth--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getBandwidth</h4> |
| <pre>public long getBandwidth()</pre> |
| <div class="block">Gets the disk Bandwidth. That is the MB/Sec to copied. We will max out |
| on this amount of throughput. This is useful to prevent too much I/O on |
| datanode while data node is in use.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#getBandwidth--">getBandwidth</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>long.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setBandwidth-long-"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>setBandwidth</h4> |
| <pre>public void setBandwidth(long bandwidth)</pre> |
| <div class="block">Sets the maximum disk bandwidth per sec to use for this step.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html#setBandwidth-long-">setBandwidth</a></code> in interface <code><a href="../../../../../../../org/apache/hadoop/hdfs/server/diskbalancer/planner/Step.html" title="interface in org.apache.hadoop.hdfs.server.diskbalancer.planner">Step</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bandwidth</code> - - Long, MB / Sec of data to be moved between |
| source and destinatin volume.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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