HBASE-10498 Add new APIs to load balancer interface(Rajesh)
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1568188 13f79535-47bb-0310-9956-ffa450edef68
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@ -1279,6 +1279,7 @@ public class AssignmentManager extends ZooKeeperListener {
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clearRegionPlan(regionInfo);
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clearRegionPlan(regionInfo);
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// Add the server to serversInUpdatingTimer
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// Add the server to serversInUpdatingTimer
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addToServersInUpdatingTimer(sn);
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addToServersInUpdatingTimer(sn);
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balancer.regionOnline(regionInfo, sn);
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}
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}
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/**
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/**
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@ -2667,6 +2668,7 @@ public class AssignmentManager extends ZooKeeperListener {
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if (!disabledOrEnablingTables.contains(tableName)) {
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if (!disabledOrEnablingTables.contains(tableName)) {
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regionStates.updateRegionState(regionInfo, State.OPEN, regionLocation);
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regionStates.updateRegionState(regionInfo, State.OPEN, regionLocation);
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regionStates.regionOnline(regionInfo, regionLocation);
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regionStates.regionOnline(regionInfo, regionLocation);
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balancer.regionOnline(regionInfo, regionLocation);
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}
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}
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// need to enable the table if not disabled or disabling or enabling
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// need to enable the table if not disabled or disabling or enabling
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// this will be used in rolling restarts
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// this will be used in rolling restarts
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@ -3514,6 +3516,7 @@ public class AssignmentManager extends ZooKeeperListener {
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removeClosedRegion(regionInfo);
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removeClosedRegion(regionInfo);
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// remove the region plan as well just in case.
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// remove the region plan as well just in case.
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clearRegionPlan(regionInfo);
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clearRegionPlan(regionInfo);
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balancer.regionOffline(regionInfo);
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}
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}
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/**
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/**
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@ -117,4 +117,17 @@ public interface LoadBalancer extends Configurable, Stoppable {
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* @throws HBaseIOException
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* @throws HBaseIOException
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*/
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*/
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void initialize() throws HBaseIOException;
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void initialize() throws HBaseIOException;
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/**
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* Marks the region as online at balancer.
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* @param regionInfo
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* @param sn
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*/
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void regionOnline(HRegionInfo regionInfo, ServerName sn);
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/**
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* Marks the region as offline at balancer.
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* @param regionInfo
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*/
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void regionOffline(HRegionInfo regionInfo);
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}
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}
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@ -585,6 +585,14 @@ public abstract class BaseLoadBalancer implements LoadBalancer {
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public void initialize() throws HBaseIOException{
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public void initialize() throws HBaseIOException{
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}
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}
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@Override
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public void regionOnline(HRegionInfo regionInfo, ServerName sn) {
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}
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@Override
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public void regionOffline(HRegionInfo regionInfo) {
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}
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@Override
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@Override
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public boolean isStopped() {
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public boolean isStopped() {
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return stopped;
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return stopped;
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