http://git-wip-us.apache.org/repos/asf/hbase-site/blob/237089a5/devapidocs/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html ---------------------------------------------------------------------- diff --git a/devapidocs/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html b/devapidocs/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html index bc21e81..2aef80c 100644 --- a/devapidocs/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html +++ b/devapidocs/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html @@ -105,7 +105,7 @@ <hr> <br> <pre><a href="../../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.LimitedPrivate.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.LimitedPrivate</a>(<a href="../../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.LimitedPrivate.html#value()">value</a>="Configuration") -public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.99">StochasticLoadBalancer</a> +public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.100">StochasticLoadBalancer</a> extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer</a></pre> <div class="block"><p>This is a best effort load balancer. 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If F(Cprime) < F(C) then the @@ -362,6 +362,14 @@ extends <a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseL <td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#maxSteps">maxSteps</a></strong></code> </td> </tr> <tr class="altColor"> +<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#MIN_COST_NEED_BALANCE_KEY">MIN_COST_NEED_BALANCE_KEY</a></strong></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private float</code></td> +<td class="colLast"><code><strong><a 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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.473">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><dt><span class="strong">Parameters:</span></dt><dd><code>cluster</code> - The state of the cluster</dd> @@ -997,7 +1054,7 @@ 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.444">updateRegionLoad</a>()</pre> +<pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#line.499">updateRegionLoad</a>()</pre> <div class="block">Store the current region loads.</div> </li> </ul> @@ -1007,7 +1064,7 @@ 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.474">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.529">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)"> @@ -1016,7 +1073,7 @@ 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.480">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.535">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> @@ -1026,7 +1083,7 @@ 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/7/docs/api/java/lang/String.html?is-external=true"; 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It will compute a cost associated with a proposed cluster state. 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href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> c)</code> </td> </tr> <tr class="altColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><span class="strong">StochasticLoadBalancer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#needsBalance(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster)">needsBalance</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</code> </td> +</tr> +<tr class="rowColor"> <td class="colFirst"><code>private int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.LoadCandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LoadCandidateGenerator.html#pickLeastLoadedServer(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int)">pickLeastLoadedServer</a></strong>(<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 thisServer)</code> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>private int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.LocalityBasedCandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LocalityBasedCandidateGenerator.html#pickLowestLocalityRegionOnServer(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int)">pickLowestLocalityRegionOnServer</a></strong>(<a 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int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.LoadCandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.LoadCandidateGenerator.html#pickMostLoadedServer(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int)">pickMostLoadedServer</a></strong>(<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 thisServer)</code> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>protected int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickOtherRandomRack(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int)">pickOtherRandomRack</a></strong>(<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 rackIndex)</code> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>protected int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickOtherRandomServer(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int)">pickOtherRandomServer</a></strong>(<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 serverIndex)</code> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>protected int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickRandomRack(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster)">pickRandomRack</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</code> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>protected int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickRandomRegion(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int,%20double)">pickRandomRegion</a></strong>(<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 server, @@ -239,17 +243,17 @@ <div class="block">From a list of regions pick a random one.</div> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>protected <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="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickRandomRegions(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20int,%20int)">pickRandomRegions</a></strong>(<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 thisServer, int otherServer)</code> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>protected int</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.CandidateGenerator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CandidateGenerator.html#pickRandomServer(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster)">pickRandomServer</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster)</code> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>private <a href="../../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> <td class="colLast"><span class="strong">BaseLoadBalancer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#randomAssignment(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20org.apache.hadoop.hbase.HRegionInfo,%20java.util.List)">randomAssignment</a></strong>(<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/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo, @@ -257,7 +261,7 @@ <div class="block">Used to assign a single region to a random server.</div> </td> </tr> -<tr class="rowColor"> +<tr class="altColor"> <td class="colFirst"><code>private void</code></td> <td class="colLast"><span class="strong">BaseLoadBalancer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#roundRobinAssignment(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20java.util.List,%20java.util.List,%20java.util.List,%20java.util.Map)">roundRobinAssignment</a></strong>(<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="http://docs.oracle.com/javase/7/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>> regions, @@ -267,7 +271,7 @@ <div class="block">Round robin a list of regions to a list of servers</div> </td> </tr> -<tr class="altColor"> +<tr class="rowColor"> <td class="colFirst"><code>protected void</code></td> <td class="colLast"><span class="strong">StochasticLoadBalancer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.html#updateCostsWithAction(org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster,%20org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.Action)">updateCostsWithAction</a></strong>(<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)</code> </td> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/237089a5/devapidocs/org/apache/hadoop/hbase/master/balancer/package-tree.html ---------------------------------------------------------------------- diff --git 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