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| <div class="subTitle">org.apache.hadoop.hbase.favored</div> |
| <h2 title="Class FavoredNodesManager" class="title">Class FavoredNodesManager</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.favored.FavoredNodesManager</li> |
| </ul> |
| </li> |
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| <div class="description"> |
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| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.56">FavoredNodesManager</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">FavoredNodesManager is responsible for maintaining favored nodes info in internal cache and META |
| table. Its the centralized store for all favored nodes information. All reads and updates should |
| be done through this class. There should only be one instance of <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html" title="class in org.apache.hadoop.hbase.favored"><code>FavoredNodesManager</code></a> in |
| Master. <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesPlan.html" title="class in org.apache.hadoop.hbase.favored"><code>FavoredNodesPlan</code></a> and favored node information from |
| <a href="../../../../../org/apache/hadoop/hbase/master/SnapshotOfRegionAssignmentFromMeta.html" title="class in org.apache.hadoop.hbase.master"><code>SnapshotOfRegionAssignmentFromMeta</code></a> should not be used outside this class (except for |
| tools that only read or fortest cases). All other classes including Favored balancers and |
| <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.html" title="class in org.apache.hadoop.hbase.favored"><code>FavoredNodeAssignmentHelper</code></a> should use <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html" title="class in org.apache.hadoop.hbase.favored"><code>FavoredNodesManager</code></a> for any |
| read/write/deletes to favored nodes.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.summary"> |
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| </a> |
| <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 int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#datanodeDataTransferPort">datanodeDataTransferPort</a></span></code> |
| <div class="block">Datanode port to be used for Favored Nodes.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesPlan.html" title="class in org.apache.hadoop.hbase.favored">FavoredNodesPlan</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#globalFavoredNodesAssignmentPlan">globalFavoredNodesAssignmentPlan</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#primaryRSToRegionMap">primaryRSToRegionMap</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/favored/FavoredNodesManager.html#provider">provider</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#secondaryRSToRegionMap">secondaryRSToRegionMap</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#teritiaryRSToRegionMap">teritiaryRSToRegionMap</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <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/favored/FavoredNodesManager.html#FavoredNodesManager-org.apache.hadoop.hbase.master.balancer.ClusterInfoProvider-">FavoredNodesManager</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> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <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="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#addToReplicaLoad-org.apache.hadoop.hbase.client.RegionInfo-java.util.List-">addToReplicaLoad</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri, |
| <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>> servers)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#deleteFavoredNodesForRegion-org.apache.hadoop.hbase.client.RegionInfo-">deleteFavoredNodesForRegion</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</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/hbase/favored/FavoredNodesManager.html#deleteFavoredNodesForRegions-java.util.Collection-">deleteFavoredNodesForRegions</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>> regionInfoList)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#filterNonFNApplicableRegions-java.util.Collection-">filterNonFNApplicableRegions</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>> regions)</code> |
| <div class="block">Filter and return regions for which favored nodes is not applicable.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <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="../../../../../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/favored/FavoredNodesManager.html#getFavoredNodes-org.apache.hadoop.hbase.client.RegionInfo-">getFavoredNodes</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</code> </td> |
| </tr> |
| <tr id="i5" 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="../../../../../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/favored/FavoredNodesManager.html#getFavoredNodesWithDNPort-org.apache.hadoop.hbase.client.RegionInfo-">getFavoredNodesWithDNPort</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</code> |
| <div class="block">This should only be used when sending FN information to the region servers.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#getRegionsOfFavoredNode-org.apache.hadoop.hbase.ServerName-">getRegionsOfFavoredNode</a></span>(<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#getReplicaLoad-java.util.List-">getReplicaLoad</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</code> |
| <div class="block">Get the replica count for the servers provided.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#initializeFromMeta--">initializeFromMeta</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesManager.html#isFavoredNodeApplicable-org.apache.hadoop.hbase.client.RegionInfo-">isFavoredNodeApplicable</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</code> |
| <div class="block">Favored nodes are not applicable for system tables.</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/hbase/favored/FavoredNodesManager.html#updateFavoredNodes-java.util.Map-">updateFavoredNodes</a></span>(<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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> regionFNMap)</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
| <a name="globalFavoredNodesAssignmentPlan"> |
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| <h4>globalFavoredNodesAssignmentPlan</h4> |
| <pre>private final <a href="../../../../../org/apache/hadoop/hbase/favored/FavoredNodesPlan.html" title="class in org.apache.hadoop.hbase.favored">FavoredNodesPlan</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.58">globalFavoredNodesAssignmentPlan</a></pre> |
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| <pre>private final <a href="../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html" title="interface in org.apache.hadoop.hbase.master.balancer">ClusterInfoProvider</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.63">provider</a></pre> |
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| <pre>private int <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.68">datanodeDataTransferPort</a></pre> |
| <div class="block">Datanode port to be used for Favored Nodes.</div> |
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| <h4>FavoredNodesManager</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.70">FavoredNodesManager</a>(<a href="../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html" title="interface in org.apache.hadoop.hbase.master.balancer">ClusterInfoProvider</a> provider)</pre> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.78">initializeFromMeta</a>() |
| 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> |
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| <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> |
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| <a name="getFavoredNodes-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <h4>getFavoredNodes</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.95">getFavoredNodes</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</pre> |
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| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.103">isFavoredNodeApplicable</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</pre> |
| <div class="block">Favored nodes are not applicable for system tables. We will use this to check before |
| we apply any favored nodes logic on a region.</div> |
| </li> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.111">filterNonFNApplicableRegions</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>> regions)</pre> |
| <div class="block">Filter and return regions for which favored nodes is not applicable.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>set of regions for which favored nodes is not applicable</dd> |
| </dl> |
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| <a name="getFavoredNodesWithDNPort-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.120">getFavoredNodesWithDNPort</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</pre> |
| <div class="block">This should only be used when sending FN information to the region servers. Instead of |
| sending the region server port, we use the datanode port. This helps in centralizing the DN |
| port logic in Master. The RS uses the port from the favored node list as hints.</div> |
| </li> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.133">updateFavoredNodes</a>(<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="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>>> regionFNMap) |
| 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> |
| <dl> |
| <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> |
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| <pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.184">addToReplicaLoad</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> hri, |
| <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>> servers)</pre> |
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| <h4>getReplicaLoad</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.221">getReplicaLoad</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="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</pre> |
| <div class="block">Get the replica count for the servers provided. |
| <p/> |
| For each server, replica count includes three counts for primary, secondary and tertiary. If a |
| server is the primary favored node for 10 regions, secondary for 5 and tertiary for 1, then the |
| list would be [10, 5, 1]. If the server is newly added to the cluster is not a favored node for |
| any region, the replica count would be [0, 0, 0].</div> |
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| </ul> |
| <a name="deleteFavoredNodesForRegion-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.246">deleteFavoredNodesForRegion</a>(<a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</pre> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/favored/FavoredNodesManager.html#line.262">deleteFavoredNodesForRegions</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>> regionInfoList)</pre> |
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