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| <div class="subTitle">org.apache.hadoop.hbase.master.balancer</div> |
| <h2 title="Interface ClusterInfoProvider" class="title">Interface ClusterInfoProvider</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/conf/ConfigurationObserver.html" title="interface in org.apache.hadoop.hbase.conf">ConfigurationObserver</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/MasterClusterInfoProvider.html" title="class in org.apache.hadoop.hbase.master.balancer">MasterClusterInfoProvider</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| public interface <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.44">ClusterInfoProvider</a> |
| extends <a href="../../../../../../org/apache/hadoop/hbase/conf/ConfigurationObserver.html" title="interface in org.apache.hadoop.hbase.conf">ConfigurationObserver</a></pre> |
| <div class="block">This is the cluster we want to balance. It provides methods to let us get the information we |
| want.</div> |
| </li> |
| </ul> |
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| <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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><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/ClusterInfoProvider.html#computeHDFSBlocksDistribution-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.client.TableDescriptor-org.apache.hadoop.hbase.client.RegionInfo-">computeHDFSBlocksDistribution</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a> tableDescriptor, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo)</code> |
| <div class="block">Compute the block distribution for the given region.</div> |
| </td> |
| </tr> |
| <tr id="i1" 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/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/master/balancer/ClusterInfoProvider.html#getAssignedRegions--">getAssignedRegions</a></span>()</code> |
| <div class="block">Get all the regions of this cluster.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#getConfiguration--">getConfiguration</a></span>()</code> |
| <div class="block">Get the configuration.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/client/Connection.html" title="interface in org.apache.hadoop.hbase.client">Connection</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#getConnection--">getConnection</a></span>()</code> |
| <div class="block">Returns a reference to the cluster's connection.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#getLoad-org.apache.hadoop.hbase.ServerName-">getLoad</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName)</code> |
| <div class="block">Returns server metrics of the given server if serverName is known else null</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#getNumberOfTables--">getNumberOfTables</a></span>()</code> |
| <div class="block">Returns the number of tables on this cluster.</div> |
| </td> |
| </tr> |
| <tr id="i6" 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/master/balancer/ClusterInfoProvider.html#getOnlineServersList--">getOnlineServersList</a></span>()</code> |
| <div class="block">Returns a copy of the internal list of online servers.</div> |
| </td> |
| </tr> |
| <tr id="i7" 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/master/balancer/ClusterInfoProvider.html#getOnlineServersListWithPredicator-java.util.List-java.util.function.Predicate-">getOnlineServersListWithPredicator</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, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a>> filter)</code> |
| <div class="block">Returns a copy of the internal list of online servers matched by the given <code>filter</code>.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../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/master/balancer/ClusterInfoProvider.html#getSnapShotOfAssignment-java.util.Collection-">getSnapShotOfAssignment</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">Get a snapshot of the current assignment status.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><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/ClusterInfoProvider.html#getTableDescriptor-org.apache.hadoop.hbase.TableName-">getTableDescriptor</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code> |
| <div class="block">Get the table descriptor for the given table.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#hasRegionReplica-java.util.Collection-">hasRegionReplica</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">Check whether we have region replicas enabled for the tables of the given regions.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#isOffPeakHour--">isOffPeakHour</a></span>()</code> |
| <div class="block">Test whether we are in off peak hour.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#recordBalancerDecision-java.util.function.Supplier-">recordBalancerDecision</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="../../../../../../org/apache/hadoop/hbase/client/BalancerDecision.html" title="class in org.apache.hadoop.hbase.client">BalancerDecision</a>> decision)</code> |
| <div class="block">Record the given balancer decision.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#recordBalancerRejection-java.util.function.Supplier-">recordBalancerRejection</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="../../../../../../org/apache/hadoop/hbase/client/BalancerRejection.html" title="class in org.apache.hadoop.hbase.client">BalancerRejection</a>> rejection)</code> |
| <div class="block">Record the given balancer rejection.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#unassign-org.apache.hadoop.hbase.client.RegionInfo-">unassign</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">Unassign the given region.</div> |
| </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.conf.ConfigurationObserver"> |
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| </a> |
| <h3>Methods inherited from interface org.apache.hadoop.hbase.conf.<a href="../../../../../../org/apache/hadoop/hbase/conf/ConfigurationObserver.html" title="interface in org.apache.hadoop.hbase.conf">ConfigurationObserver</a></h3> |
| <code><a href="../../../../../../org/apache/hadoop/hbase/conf/ConfigurationObserver.html#onConfigurationChange-org.apache.hadoop.conf.Configuration-">onConfigurationChange</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Method Detail</h3> |
| <a name="getConfiguration--"> |
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| <h4>getConfiguration</h4> |
| <pre>org.apache.hadoop.conf.Configuration <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.49">getConfiguration</a>()</pre> |
| <div class="block">Get the configuration.</div> |
| </li> |
| </ul> |
| <a name="getConnection--"> |
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| </a> |
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| <h4>getConnection</h4> |
| <pre><a href="../../../../../../org/apache/hadoop/hbase/client/Connection.html" title="interface in org.apache.hadoop.hbase.client">Connection</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.54">getConnection</a>()</pre> |
| <div class="block">Returns a reference to the cluster's connection.</div> |
| </li> |
| </ul> |
| <a name="getAssignedRegions--"> |
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| </a> |
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| <h4>getAssignedRegions</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/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.61">getAssignedRegions</a>()</pre> |
| <div class="block">Get all the regions of this cluster. |
| <p/> |
| Used to refresh region block locations on HDFS.</div> |
| </li> |
| </ul> |
| <a name="unassign-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unassign</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.66">unassign</a>(<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo) |
| 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">Unassign the given region.</div> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTableDescriptor-org.apache.hadoop.hbase.TableName-"> |
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| <h4>getTableDescriptor</h4> |
| <pre><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/ClusterInfoProvider.html#line.71">getTableDescriptor</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">Get the table descriptor for the given table.</div> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNumberOfTables--"> |
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| </a> |
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| <h4>getNumberOfTables</h4> |
| <pre>int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.76">getNumberOfTables</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> |
| <div class="block">Returns the number of tables on this cluster.</div> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="computeHDFSBlocksDistribution-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.client.TableDescriptor-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <h4>computeHDFSBlocksDistribution</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/ClusterInfoProvider.html#line.83">computeHDFSBlocksDistribution</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/TableDescriptor.html" title="interface in org.apache.hadoop.hbase.client">TableDescriptor</a> tableDescriptor, |
| <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> regionInfo) |
| 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">Compute the block distribution for the given region. |
| <p/> |
| Used to refresh region block locations on HDFS.</div> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="hasRegionReplica-java.util.Collection-"> |
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| <h4>hasRegionReplica</h4> |
| <pre>boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.89">hasRegionReplica</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) |
| 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">Check whether we have region replicas enabled for the tables of the given regions.</div> |
| <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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| <h4>getOnlineServersList</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/ClusterInfoProvider.html#line.94">getOnlineServersList</a>()</pre> |
| <div class="block">Returns a copy of the internal list of online servers.</div> |
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| <h4>getOnlineServersListWithPredicator</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/ClusterInfoProvider.html#line.99">getOnlineServersListWithPredicator</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, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Predicate.html?is-external=true" title="class or interface in java.util.function">Predicate</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a>> filter)</pre> |
| <div class="block">Returns a copy of the internal list of online servers matched by the given <code>filter</code>.</div> |
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| <a name="getSnapShotOfAssignment-java.util.Collection-"> |
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| <h4>getSnapShotOfAssignment</h4> |
| <pre><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>>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.105">getSnapShotOfAssignment</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">Get a snapshot of the current assignment status.</div> |
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| <pre>boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.112">isOffPeakHour</a>()</pre> |
| <div class="block">Test whether we are in off peak hour. |
| <p/> |
| For peak and off peak hours we may have different cost for the same balancing operation.</div> |
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| <h4>recordBalancerDecision</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.117">recordBalancerDecision</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="../../../../../../org/apache/hadoop/hbase/client/BalancerDecision.html" title="class in org.apache.hadoop.hbase.client">BalancerDecision</a>> decision)</pre> |
| <div class="block">Record the given balancer decision.</div> |
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| <h4>recordBalancerRejection</h4> |
| <pre>void <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.122">recordBalancerRejection</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="../../../../../../org/apache/hadoop/hbase/client/BalancerRejection.html" title="class in org.apache.hadoop.hbase.client">BalancerRejection</a>> rejection)</pre> |
| <div class="block">Record the given balancer rejection.</div> |
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| <a name="getLoad-org.apache.hadoop.hbase.ServerName-"> |
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| <h4>getLoad</h4> |
| <pre><a href="../../../../../../org/apache/hadoop/hbase/ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/ClusterInfoProvider.html#line.127">getLoad</a>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> serverName)</pre> |
| <div class="block">Returns server metrics of the given server if serverName is known else null</div> |
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