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Given a Cost function F(C) => x It will randomly try and mutate the cluster to Cprime. If F(Cprime) < F(C) then the @@ -219,7 +219,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL </tr> <tr class="altColor"> <td class="colFirst"><code>(package private) static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.LocalityCostFunction</a></span></code> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.LocalityBasedCostFunction</a></span></code> <div class="block">Compute a cost of a potential cluster configuration based upon where <a href="../../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFile</code></a>s are located.</div> </td> @@ -246,48 +246,56 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL </tr> <tr class="altColor"> <td class="colFirst"><code>(package private) static class </code></td> -<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RandomCandidateGenerator.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RandomCandidateGenerator</a></span></code> </td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RackLocalityCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RackLocalityCostFunction</a></span></code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>(package private) static class </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RandomCandidateGenerator.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RandomCandidateGenerator</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.ReadRequestCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.ReadRequestCostFunction</a></span></code> <div class="block">Compute the cost of total number of read requests The more unbalanced the higher the computed cost will be.</div> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RegionCountSkewCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RegionCountSkewCostFunction</a></span></code> <div class="block">Compute the cost of a potential cluster state from skew in number of regions on a cluster.</div> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RegionReplicaCandidateGenerator.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RegionReplicaCandidateGenerator</a></span></code> <div class="block">Generates candidates which moves the replicas out of the region server for co-hosted region replicas</div> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RegionReplicaHostCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RegionReplicaHostCostFunction</a></span></code> <div class="block">A cost function for region replicas.</div> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RegionReplicaRackCandidateGenerator.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RegionReplicaRackCandidateGenerator</a></span></code> <div class="block">Generates candidates which moves the replicas out of the rack for co-hosted region replicas in the same rack</div> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.RegionReplicaRackCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.RegionReplicaRackCostFunction</a></span></code> <div class="block">A cost function for region replicas for the rack distribution.</div> </td> </tr> +<tr class="altColor"> +<td class="colFirst"><code>(package private) static class </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.ServerLocalityCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.ServerLocalityCostFunction</a></span></code> </td> +</tr> <tr class="rowColor"> <td class="colFirst"><code>(package private) static class </code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.StoreFileCostFunction.html" title="class in org.apache.hadoop.hbase.master.balancer">StochasticLoadBalancer.StoreFileCostFunction</a></span></code> @@ -362,7 +370,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#localityCandidateGenerator">localityCandidateGenerator</a></span></code> </td> </tr> <tr class="altColor"> -<td class="colFirst"><code>private <a 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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="http://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/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>> clusterState)</pre> <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html#balanceCluster-org.apache.hadoop.hbase.TableName-java.util.Map-">LoadBalancer</a></code></span></div> <div class="block">Perform the major balance operation</div> @@ -1099,7 +1120,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>balanceCluster</h4> -<pre>public <a href="http://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/master/RegionPlan.html" title="class in org.apache.hadoop.hbase.master">RegionPlan</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.319">balanceCluster</a>(<a href="http://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="http://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/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>> clusterState)</pre> +<pre>public <a href="http://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/master/RegionPlan.html" title="class in org.apache.hadoop.hbase.master">RegionPlan</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.326">balanceCluster</a>(<a href="http://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="http://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/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>> clusterState)</pre> <div class="block">Given the cluster state this will try and approach an optimal balance. 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title="class or interface in java.lang">Double</a>[] subCosts)</pre> <div class="block">update costs to JMX</div> @@ -1126,7 +1147,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>functionCost</h4> -<pre>private <a href="http://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/master/balancer/StochasticLoadBalancer.html#line.465">functionCost</a>()</pre> +<pre>private <a href="http://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/master/balancer/StochasticLoadBalancer.html#line.473">functionCost</a>()</pre> </li> </ul> <a name="createRegionPlans-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-"> @@ -1135,7 +1156,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>createRegionPlans</h4> -<pre>private <a href="http://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/master/RegionPlan.html" title="class in org.apache.hadoop.hbase.master">RegionPlan</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.485">createRegionPlans</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</pre> +<pre>private <a href="http://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/master/RegionPlan.html" title="class in org.apache.hadoop.hbase.master">RegionPlan</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.493">createRegionPlans</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</pre> <div class="block">Create all of the RegionPlan's needed to move from the initial cluster state to the desired state.</div> <dl> @@ -1152,7 +1173,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>updateRegionLoad</h4> -<pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.511">updateRegionLoad</a>()</pre> +<pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.519">updateRegionLoad</a>()</pre> <div class="block">Store the current region loads.</div> </li> </ul> @@ -1162,7 +1183,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>initCosts</h4> -<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.540">initCosts</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</pre> +<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.548">initCosts</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</pre> </li> </ul> <a name="updateCostsWithAction-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.Action-"> @@ -1171,7 +1192,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>updateCostsWithAction</h4> -<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.546">updateCostsWithAction</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, +<pre>protected void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.554">updateCostsWithAction</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.Action.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.Action</a> action)</pre> </li> </ul> @@ -1181,7 +1202,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>getCostFunctionNames</h4> -<pre>public <a href="http://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/master/balancer/StochasticLoadBalancer.html#line.555">getCostFunctionNames</a>()</pre> +<pre>public <a href="http://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/master/balancer/StochasticLoadBalancer.html#line.563">getCostFunctionNames</a>()</pre> <div class="block">Get the names of the cost functions</div> </li> </ul> @@ -1191,7 +1212,7 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <ul class="blockList"> <li class="blockList"> <h4>computeCost</h4> -<pre>protected double <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.575">computeCost</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, +<pre>protected double <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.583">computeCost</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, double previousCost)</pre> <div class="block">This is the main cost function. It will compute a cost associated with a proposed cluster state. 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href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> that return types with arguments of type <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.Action.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.Action</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code>private com.google.common.base.Optional<<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.Action.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.Action</a>></code></td> +<td class="colLast"><span class="typeNameLabel">StochasticLoadBalancer.LocalityBasedCandidateGenerator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCandidateGenerator.html#tryMoveOrSwap-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-int-int-int-">tryMoveOrSwap</a></span>(<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, + int fromServer, + int fromRegion, + int toServer)</code> +<div class="block">Try to generate a move/swap fromRegion between fromServer and toServer such that locality is improved.</div> +</td> +</tr> +</tbody> +</table> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> <caption><span>Methods in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> with parameters of type <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.Action.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.Action</a></span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a719cd00/devapidocs/org/apache/hadoop/hbase/master/balancer/class-use/BaseLoadBalancer.Cluster.LocalityType.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/master/balancer/class-use/BaseLoadBalancer.Cluster.LocalityType.html b/devapidocs/org/apache/hadoop/hbase/master/balancer/class-use/BaseLoadBalancer.Cluster.LocalityType.html new file mode 100644 index 0000000..c37fa00 --- /dev/null +++ b/devapidocs/org/apache/hadoop/hbase/master/balancer/class-use/BaseLoadBalancer.Cluster.LocalityType.html @@ -0,0 +1,234 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD 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+</div> +<div class="classUseContainer"> +<ul class="blockList"> +<li class="blockList"> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation"> +<caption><span>Packages that use <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Package</th> +<th class="colLast" scope="col">Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><a href="#org.apache.hadoop.hbase.master.balancer">org.apache.hadoop.hbase.master.balancer</a></td> +<td class="colLast"> </td> +</tr> +</tbody> +</table> +</li> +<li class="blockList"> +<ul class="blockList"> +<li class="blockList"><a name="org.apache.hadoop.hbase.master.balancer"> +<!-- --> +</a> +<h3>Uses of <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a> in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a></h3> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing fields, and an explanation"> +<caption><span>Fields in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> declared as <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></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> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></code></td> +<td class="colLast"><span class="typeNameLabel">StochasticLoadBalancer.LocalityBasedCostFunction.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCostFunction.html#type">type</a></span></code> </td> +</tr> +</tbody> +</table> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> +<caption><span>Methods in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> that return <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code>static <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></code></td> +<td class="colLast"><span class="typeNameLabel">BaseLoadBalancer.Cluster.LocalityType.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html#valueOf-java.lang.String-">valueOf</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> name)</code> +<div class="block">Returns the enum constant of this type with the specified name.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a>[]</code></td> +<td class="colLast"><span class="typeNameLabel">BaseLoadBalancer.Cluster.LocalityType.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html#values--">values</a></span>()</code> +<div class="block">Returns an array containing the constants of this enum type, in +the order they are declared.</div> +</td> +</tr> +</tbody> +</table> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation"> +<caption><span>Methods in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> with parameters of type <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colFirst"><code>float</code></td> +<td class="colLast"><span class="typeNameLabel">BaseLoadBalancer.Cluster.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html#getOrComputeLocality-int-int-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.LocalityType-">getOrComputeLocality</a></span>(int region, + int entity, + <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a> type)</code> +<div class="block">Looks up locality from cache of localities.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>int[]</code></td> +<td class="colLast"><span class="typeNameLabel">BaseLoadBalancer.Cluster.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html#getOrComputeRegionsToMostLocalEntities-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.LocalityType-">getOrComputeRegionsToMostLocalEntities</a></span>(<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a> type)</code> +<div class="block">Lazily initializes and retrieves a mapping of region -> server for which region has + the highest the locality</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>double</code></td> +<td class="colLast"><span class="typeNameLabel">BaseLoadBalancer.Cluster.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html#getOrComputeWeightedLocality-int-int-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.LocalityType-">getOrComputeWeightedLocality</a></span>(int region, + int server, + <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a> type)</code> +<div class="block">Returns locality weighted by region size in MB.</div> +</td> +</tr> +</tbody> +</table> +<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation"> +<caption><span>Constructors in <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a> with parameters of type <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a></span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tbody> +<tr class="altColor"> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCostFunction.html#LocalityBasedCostFunction-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.master.MasterServices-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.LocalityType-java.lang.String-float-">LocalityBasedCostFunction</a></span>(org.apache.hadoop.conf.Configuration conf, + <a href="../../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a> srv, + <a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.LocalityType.html" title="enum in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster.LocalityType</a> type, + <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> localityCostKey, + float defaultLocalityCost)</code> </td> +</tr> +</tbody> +</table> +</li> +</ul> +</li> +</ul> +</div> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../../../../overview-summary.html">Overview</a></li> +<li><a href="../package-summary.html">Package</a></li> +<li><a 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