Examples of org.apache.hadoop.hbase.master.RegionPlan$RegionPlanComparator

org.apache.hadoop.hbase.master.RegionPlan
Stores the plan for the move of an individual region. Contains info for the region being moved, info for the server the region should be moved from, and info for the server the region should be moved to. The comparable implementation of this class compares only the region information and not the source/dest server info.


        if (LOG.isTraceEnabled()) {
          LOG.trace("Moving Region " + region.getEncodedName() + " from server "
              + initialServer.getHostname() + " to " + newServer.getHostname());
        }
        RegionPlan rp = new RegionPlan(region, initialServer, newServer);
        plans.add(rp);
      }
    }
    return plans;
  }

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    } else {
      dest = new ServerName(Bytes.toString(destServerName));
    }
    
    // Now we can do the move
    RegionPlan rp = new RegionPlan(p.getFirst(), p.getSecond(), dest);
    
    try {
      if (this.cpHost != null) {
        if (this.cpHost.preMove(p.getFirst(), p.getSecond(), dest)) {
          return;

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    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (regionStates.isRegionOffline(hri)) {
        if (this.retainAssignment && sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
        regions.add(hri);
      } else {
        if (LOG.isDebugEnabled()) {
          LOG.debug("Skipping assign for the region " + hri + " during enable table "

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            destination = serverNameWithoutCodeToServerName.get(favoredNodes.get(2));
          }
        }
        
        if (destination != null) {
          RegionPlan plan = new RegionPlan(region, currentServer, destination);
          plans.add(plan);
        }
      }
    }
    return plans;

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    Mockito.when(master.getAssignmentManager()).thenReturn(am);
    Mockito.when(master.getZooKeeperWatcher()).thenReturn(zkWatcher);
    Mockito.when(master.getZooKeeper()).thenReturn(zkWatcher);
    
    am.addPlan(REGIONINFO.getEncodedName(), new RegionPlan(REGIONINFO, null, SERVERNAME_A));


    zkWatcher.registerListenerFirst(am);


    addServerToDrainedList(SERVERNAME_A, onlineServers, serverManager);

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      if (this.skipTableStateCheck) {
        // Region may be available in enablingTableRegions during master startup only.
        if (enablingTableRegions != null && enablingTableRegions.contains(hri)) {
          regions.add(hri);
          if (sn != null && serverManager.isServerOnline(sn)) {
            this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
          }
        }
      } else if (onlineRegions.contains(hri)) {
        continue;
      } else {
        regions.add(hri);
        if (sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
      }
    }
    return regions;
  }

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      if (this.retainAssignment) {
        // Region may be available in enablingTableRegions during master startup only.
        if (enablingTableRegions != null && enablingTableRegions.contains(hri)) {
          regions.add(hri);
          if (sn != null && serverManager.isServerOnline(sn)) {
            this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
          }
        }
      } else if (onlineRegions.contains(hri)) {
        continue;
      } else {

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    for (Pair<HRegionInfo, ServerName> regionLocation : regionsInMeta) {
      HRegionInfo hri = regionLocation.getFirst();
      ServerName sn = regionLocation.getSecond();
      if (regionStates.isRegionOffline(hri)) {
        if (sn != null && serverManager.isServerOnline(sn)) {
          this.assignmentManager.addPlan(hri.getEncodedName(), new RegionPlan(hri, null, sn));
        }
        regions.add(hri);
      } else {
        if (LOG.isDebugEnabled()) {
          LOG.debug("Skipping assign for the region " + hri + " during enable table "

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    for (Map.Entry<ServerName, List<HRegionInfo>> e : rsToRegions
        .entrySet()) {
      final List<HRegionInfo> hris = e.getValue();
      // add a plan for each of the regions that needs to be reopened
      for (HRegionInfo hri : hris) {
        RegionPlan reOpenPlan = new RegionPlan(hri, null,
            assignmentManager.getRegionServerOfRegion(hri));
        assignmentManager.addPlan(hri.getEncodedName(), reOpenPlan);
      }
      pool.execute(new Runnable() {
        public void run() {

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        if (LOG.isTraceEnabled()) {
          LOG.trace("Moving Region " + region.getEncodedName() + " from server "
              + initialServer.getHostname() + " to " + newServer.getHostname());
        }
        RegionPlan rp = new RegionPlan(region, initialServer, newServer);
        plans.add(rp);
      }
    }
    return plans;
  }

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Related Classes of org.apache.hadoop.hbase.master.RegionPlan$RegionPlanComparator

org.apache.hadoop.hbase.index.coprocessor.master.IndexMasterObserver

org.apache.hadoop.hbase.index.SecIndexLoadBalancer

org.apache.hadoop.hbase.master.AssignmentManager

org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer

org.apache.hadoop.hbase.master.balancer.DefaultLoadBalancer

org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer

org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer

org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer

org.apache.hadoop.hbase.master.BulkReOpen

org.apache.hadoop.hbase.master.handler.DispatchMergingRegionHandler

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