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| <h2 title="Class HDFSBlocksDistribution" class="title">Class HDFSBlocksDistribution</h2> |
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| <li>org.apache.hadoop.hbase.HDFSBlocksDistribution</li> |
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| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.36">HDFSBlocksDistribution</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">Data structure to describe the distribution of HDFS blocks among hosts. Adding erroneous data |
| will be ignored silently.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.HostAndWeight.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution.HostAndWeight</a></span></code> |
| <div class="block">Stores the hostname and weight for that hostname.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.Visitor.html" title="interface in org.apache.hadoop.hbase">HDFSBlocksDistribution.Visitor</a></span></code> |
| <div class="block">Implementations 'visit' hostAndWeight.</div> |
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| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#uniqueBlocksTotalWeight">uniqueBlocksTotalWeight</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#HDFSBlocksDistribution--">HDFSBlocksDistribution</a></span>()</code> </td> |
| </tr> |
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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/HDFSBlocksDistribution.html#add-org.apache.hadoop.hbase.HDFSBlocksDistribution-">add</a></span>(<a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> otherBlocksDistribution)</code> |
| <div class="block">This will add the distribution from input to this object</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#addHostAndBlockWeight-java.lang.String-long-long-">addHostAndBlockWeight</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> host, |
| long weight, |
| long weightForSsd)</code> |
| <div class="block">add some weight to a specific host</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/HDFSBlocksDistribution.html#addHostsAndBlockWeight-java.lang.String:A-long-">addHostsAndBlockWeight</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>[] hosts, |
| long weight)</code> |
| <div class="block">add some weight to a list of hosts, update the value of unique block weight</div> |
| </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/HDFSBlocksDistribution.html#addHostsAndBlockWeight-java.lang.String:A-long-org.apache.hadoop.fs.StorageType:A-">addHostsAndBlockWeight</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>[] hosts, |
| long weight, |
| org.apache.hadoop.fs.StorageType[] storageTypes)</code> |
| <div class="block">add some weight to a list of hosts, update the value of unique block weight</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/HDFSBlocksDistribution.html#addUniqueWeight-long-">addUniqueWeight</a></span>(long weight)</code> |
| <div class="block">add some weight to the total unique weight</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getBlockLocalityIndex-java.lang.String-">getBlockLocalityIndex</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> host)</code> |
| <div class="block">Get the block locality index for a given host</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getBlockLocalityIndexForSsd-java.lang.String-">getBlockLocalityIndexForSsd</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> host)</code> |
| <div class="block">Get the block locality index for a ssd for a given host</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getBlocksLocalityWeightInternal-java.lang.String-org.apache.hadoop.hbase.HDFSBlocksDistribution.Visitor-">getBlocksLocalityWeightInternal</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> host, |
| <a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.Visitor.html" title="interface in org.apache.hadoop.hbase">HDFSBlocksDistribution.Visitor</a> visitor)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getBlocksLocalWeight-java.lang.String-">getBlocksLocalWeight</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> host)</code> |
| <div class="block">Get the blocks local weight for a given host</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getBlocksLocalWithSsdWeight-java.lang.String-">getBlocksLocalWithSsdWeight</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> host)</code> |
| <div class="block">Get the blocks local weight with ssd for a given host</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><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><<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>,<a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.HostAndWeight.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution.HostAndWeight</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getHostAndWeights--">getHostAndWeights</a></span>()</code> |
| <div class="block">Returns the hosts and their weights</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getTopHosts--">getTopHosts</a></span>()</code> |
| <div class="block">Return the sorted list of hosts in terms of their weights</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.HostAndWeight.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution.HostAndWeight</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getTopHostsWithWeights--">getTopHostsWithWeights</a></span>()</code> |
| <div class="block">Return the sorted list of hosts in terms of their weights</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getUniqueBlocksTotalWeight--">getUniqueBlocksTotalWeight</a></span>()</code> |
| <div class="block">Returns the sum of all unique blocks' weight</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html#getWeight-java.lang.String-">getWeight</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> host)</code> |
| <div class="block">return the weight for a specific host, that will be the total bytes of all blocks on the host</div> |
| </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/hbase/HDFSBlocksDistribution.html#toString--">toString</a></span>()</code> </td> |
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| <pre>public <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.101">HDFSBlocksDistribution</a>()</pre> |
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| <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> <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.106">toString</a>()</pre> |
| <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> |
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| <h4>addHostsAndBlockWeight</h4> |
| <pre>public void <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.115">addHostsAndBlockWeight</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>[] hosts, |
| long weight)</pre> |
| <div class="block">add some weight to a list of hosts, update the value of unique block weight</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>hosts</code> - the list of the host</dd> |
| <dd><code>weight</code> - the weight</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addHostsAndBlockWeight-java.lang.String:A-long-org.apache.hadoop.fs.StorageType:A-"> |
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| <h4>addHostsAndBlockWeight</h4> |
| <pre>public void <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.124">addHostsAndBlockWeight</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>[] hosts, |
| long weight, |
| org.apache.hadoop.fs.StorageType[] storageTypes)</pre> |
| <div class="block">add some weight to a list of hosts, update the value of unique block weight</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>hosts</code> - the list of the host</dd> |
| <dd><code>weight</code> - the weight</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addUniqueWeight-long-"> |
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| <h4>addUniqueWeight</h4> |
| <pre>private void <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.150">addUniqueWeight</a>(long weight)</pre> |
| <div class="block">add some weight to the total unique weight</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>weight</code> - the weight</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addHostAndBlockWeight-java.lang.String-long-long-"> |
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| <ul class="blockList"> |
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| <h4>addHostAndBlockWeight</h4> |
| <pre>private void <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.160">addHostAndBlockWeight</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> host, |
| long weight, |
| long weightForSsd)</pre> |
| <div class="block">add some weight to a specific host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dd><code>weight</code> - the weight</dd> |
| <dd><code>weightForSsd</code> - the weight for ssd</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getHostAndWeights--"> |
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| <ul class="blockList"> |
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| <h4>getHostAndWeights</h4> |
| <pre>public <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><<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>,<a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.HostAndWeight.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution.HostAndWeight</a>> <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.176">getHostAndWeights</a>()</pre> |
| <div class="block">Returns the hosts and their weights</div> |
| </li> |
| </ul> |
| <a name="getWeight-java.lang.String-"> |
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| <ul class="blockList"> |
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| <h4>getWeight</h4> |
| <pre>public long <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.185">getWeight</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> host)</pre> |
| <div class="block">return the weight for a specific host, that will be the total bytes of all blocks on the host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the weight of the given host</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getUniqueBlocksTotalWeight--"> |
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| <ul class="blockList"> |
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| <h4>getUniqueBlocksTotalWeight</h4> |
| <pre>public long <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.197">getUniqueBlocksTotalWeight</a>()</pre> |
| <div class="block">Returns the sum of all unique blocks' weight</div> |
| </li> |
| </ul> |
| <a name="getBlockLocalityIndex-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getBlockLocalityIndex</h4> |
| <pre>public float <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.211">getBlockLocalityIndex</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> host)</pre> |
| <div class="block">Get the block locality index for a given host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the locality index of the given host</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBlockLocalityIndexForSsd-java.lang.String-"> |
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| <h4>getBlockLocalityIndexForSsd</h4> |
| <pre>public float <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.225">getBlockLocalityIndexForSsd</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> host)</pre> |
| <div class="block">Get the block locality index for a ssd for a given host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the locality index with ssd of the given host</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBlocksLocalWeight-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getBlocksLocalWeight</h4> |
| <pre>public long <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.239">getBlocksLocalWeight</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> host)</pre> |
| <div class="block">Get the blocks local weight for a given host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the blocks local weight of the given host</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBlocksLocalWithSsdWeight-java.lang.String-"> |
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| <h4>getBlocksLocalWithSsdWeight</h4> |
| <pre>public long <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.248">getBlocksLocalWithSsdWeight</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> host)</pre> |
| <div class="block">Get the blocks local weight with ssd for a given host</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>host</code> - the host name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the blocks local with ssd weight of the given host</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBlocksLocalityWeightInternal-java.lang.String-org.apache.hadoop.hbase.HDFSBlocksDistribution.Visitor-"> |
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| <h4>getBlocksLocalityWeightInternal</h4> |
| <pre>private long <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.252">getBlocksLocalityWeightInternal</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> host, |
| <a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.Visitor.html" title="interface in org.apache.hadoop.hbase">HDFSBlocksDistribution.Visitor</a> visitor)</pre> |
| </li> |
| </ul> |
| <a name="add-org.apache.hadoop.hbase.HDFSBlocksDistribution-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>add</h4> |
| <pre>public void <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.277">add</a>(<a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> otherBlocksDistribution)</pre> |
| <div class="block">This will add the distribution from input to this object</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>otherBlocksDistribution</code> - the other hdfs blocks distribution</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTopHosts--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTopHosts</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>> <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.287">getTopHosts</a>()</pre> |
| <div class="block">Return the sorted list of hosts in terms of their weights</div> |
| </li> |
| </ul> |
| <a name="getTopHostsWithWeights--"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getTopHostsWithWeights</h4> |
| <pre>public <a href="../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.HostAndWeight.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution.HostAndWeight</a>[] <a href="../../../../src-html/org/apache/hadoop/hbase/HDFSBlocksDistribution.html#line.297">getTopHostsWithWeights</a>()</pre> |
| <div class="block">Return the sorted list of hosts in terms of their weights</div> |
| </li> |
| </ul> |
| </li> |
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