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| <div class="subTitle">org.apache.hadoop.hbase.master.balancer</div> |
| <h2 title="Class RegionHDFSBlockLocationFinder" class="title">Class RegionHDFSBlockLocationFinder</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.conf.Configured</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.master.balancer.RegionHDFSBlockLocationFinder</li> |
| </ul> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>org.apache.hadoop.conf.Configurable</dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.58">RegionHDFSBlockLocationFinder</a> |
| extends org.apache.hadoop.conf.Configured</pre> |
| <div class="block">This will find where data for a region is located in HDFS. It ranks <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a>'s by the |
| size of the store files they are holding for a given region.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <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>private org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#cache">cache</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#CACHE_TIME">CACHE_TIME</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#EMPTY_BLOCK_DISTRIBUTION">EMPTY_BLOCK_DISTRIBUTION</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListeningExecutorService</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#executor">executor</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#lastFullRefresh">lastFullRefresh</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hbase.thirdparty.com.google.common.cache.CacheLoader<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#loader">loader</a></span></code> </td> |
| </tr> |
| <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/master/balancer/RegionHDFSBlockLocationFinder.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html" title="interface in org.apache.hadoop.hbase.master.balancer">ClusterInfoProvider</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#provider">provider</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/ClusterMetrics.html" title="interface in org.apache.hadoop.hbase">ClusterMetrics</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#status">status</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#RegionHDFSBlockLocationFinder--">RegionHDFSBlockLocationFinder</a></span>()</code> </td> |
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| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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> |
| <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>private org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListenableFuture<<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#asyncGetBlockDistribution-org.apache.hadoop.hbase.client.RegionInfo-">asyncGetBlockDistribution</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="i1" class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#createCache--">createCache</a></span>()</code> |
| <div class="block">Create a cache for region to list of servers</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#getBlockDistribution-org.apache.hadoop.hbase.client.RegionInfo-">getBlockDistribution</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>(package private) org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#getCache--">getCache</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#getDescriptor-org.apache.hadoop.hbase.TableName-">getDescriptor</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code> |
| <div class="block">return TableDescriptor for a given tableName</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>(package private) <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="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#getTopBlockLocations-org.apache.hadoop.hbase.client.RegionInfo-">getTopBlockLocations</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#internalGetTopBlockLocation-org.apache.hadoop.hbase.client.RegionInfo-">internalGetTopBlockLocation</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</code> |
| <div class="block">Returns an ordered list of hosts that are hosting the blocks for this region.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>(package private) <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="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#mapHostNameToServerName-java.util.List-">mapHostNameToServerName</a></span>(<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>> hosts)</code> |
| <div class="block">Map hostname to ServerName, The output ServerName list will have the same order as input hosts.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#refreshAndWait-java.util.Collection-">refreshAndWait</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> hris)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#scheduleFullRefresh--">scheduleFullRefresh</a></span>()</code> |
| <div class="block">Refresh all the region locations.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#setClusterInfoProvider-org.apache.hadoop.hbase.master.balancer.ClusterInfoProvider-">setClusterInfoProvider</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html" title="interface in org.apache.hadoop.hbase.master.balancer">ClusterInfoProvider</a> provider)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#setClusterMetrics-org.apache.hadoop.hbase.ClusterMetrics-">setClusterMetrics</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/ClusterMetrics.html" title="interface in org.apache.hadoop.hbase">ClusterMetrics</a> status)</code> </td> |
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| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.conf.Configured"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.hadoop.conf.Configured</h3> |
| <code>getConf, setConf</code></li> |
| </ul> |
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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> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <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>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| </div> |
| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a name="LOG"> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.59">LOG</a></pre> |
| </li> |
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| <h4>CACHE_TIME</h4> |
| <pre>private static final long <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.60">CACHE_TIME</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.master.balancer.RegionHDFSBlockLocationFinder.CACHE_TIME">Constant Field Values</a></dd> |
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| <h4>EMPTY_BLOCK_DISTRIBUTION</h4> |
| <pre>private static final <a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.61">EMPTY_BLOCK_DISTRIBUTION</a></pre> |
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| <h4>status</h4> |
| <pre>private volatile <a href="../../../../../../org/apache/hadoop/hbase/ClusterMetrics.html" title="interface in org.apache.hadoop.hbase">ClusterMetrics</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.63">status</a></pre> |
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| <h4>executor</h4> |
| <pre>private final org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListeningExecutorService <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.65">executor</a></pre> |
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| <h4>lastFullRefresh</h4> |
| <pre>private long <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.67">lastFullRefresh</a></pre> |
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| <h4>loader</h4> |
| <pre>private org.apache.hbase.thirdparty.com.google.common.cache.CacheLoader<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.69">loader</a></pre> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>cache</h4> |
| <pre>private org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.90">cache</a></pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="RegionHDFSBlockLocationFinder--"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>RegionHDFSBlockLocationFinder</h4> |
| <pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.92">RegionHDFSBlockLocationFinder</a>()</pre> |
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| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| <h3>Method Detail</h3> |
| <a name="createCache--"> |
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| <li class="blockList"> |
| <h4>createCache</h4> |
| <pre>private org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.102">createCache</a>()</pre> |
| <div class="block">Create a cache for region to list of servers</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new Cache.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setClusterInfoProvider-org.apache.hadoop.hbase.master.balancer.ClusterInfoProvider-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setClusterInfoProvider</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.107">setClusterInfoProvider</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html" title="interface in org.apache.hadoop.hbase.master.balancer">ClusterInfoProvider</a> provider)</pre> |
| </li> |
| </ul> |
| <a name="setClusterMetrics-org.apache.hadoop.hbase.ClusterMetrics-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setClusterMetrics</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.111">setClusterMetrics</a>(<a href="../../../../../../org/apache/hadoop/hbase/ClusterMetrics.html" title="interface in org.apache.hadoop.hbase">ClusterMetrics</a> status)</pre> |
| </li> |
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| <a name="scheduleFullRefresh--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>scheduleFullRefresh</h4> |
| <pre>private boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.125">scheduleFullRefresh</a>()</pre> |
| <div class="block">Refresh all the region locations.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if user created regions got refreshed.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTopBlockLocations-org.apache.hadoop.hbase.client.RegionInfo-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTopBlockLocations</h4> |
| <pre><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="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.141">getTopBlockLocations</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</pre> |
| </li> |
| </ul> |
| <a name="internalGetTopBlockLocation-org.apache.hadoop.hbase.client.RegionInfo-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>internalGetTopBlockLocation</h4> |
| <pre>private <a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.153">internalGetTopBlockLocation</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</pre> |
| <div class="block">Returns an ordered list of hosts that are hosting the blocks for this region. The weight of |
| each host is the sum of the block lengths of all files on that host, so the first host in the |
| list is the server which holds the most bytes of the given region's HFiles.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>region</code> - region</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ordered list of hosts holding blocks of the specified region</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDescriptor-org.apache.hadoop.hbase.TableName-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDescriptor</h4> |
| <pre>private <a href="../../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.173">getDescriptor</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> |
| <div class="block">return TableDescriptor for a given tableName</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tableName</code> - the table name</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></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="mapHostNameToServerName-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>mapHostNameToServerName</h4> |
| <pre><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="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.188">mapHostNameToServerName</a>(<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>> hosts)</pre> |
| <div class="block">Map hostname to ServerName, The output ServerName list will have the same order as input hosts.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>hosts</code> - the list of hosts</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>ServerName list</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBlockDistribution-org.apache.hadoop.hbase.client.RegionInfo-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getBlockDistribution</h4> |
| <pre><a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.224">getBlockDistribution</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri)</pre> |
| </li> |
| </ul> |
| <a name="asyncGetBlockDistribution-org.apache.hadoop.hbase.client.RegionInfo-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>asyncGetBlockDistribution</h4> |
| <pre>private org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListenableFuture<<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.244">asyncGetBlockDistribution</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri)</pre> |
| </li> |
| </ul> |
| <a name="refreshAndWait-java.util.Collection-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>refreshAndWait</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.252">refreshAndWait</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> hris)</pre> |
| </li> |
| </ul> |
| <a name="getCache--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getCache</h4> |
| <pre>org.apache.hbase.thirdparty.com.google.common.cache.LoadingCache<<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>,<a href="../../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#line.275">getCache</a>()</pre> |
| </li> |
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