Examples of org.apache.helix.controller.rebalancer.CustomRebalancer

Package org.apache.helix.controller.rebalancer

Examples of org.apache.helix.controller.rebalancer.CustomRebalancer

org.apache.helix.controller.rebalancer.CustomRebalancer
This is a Rebalancer specific to custom mode. It is tasked with checking an existing mapping of partitions against the set of live instances to mark assignment states as dropped or erroneous as necessary. The input is the required current assignment of partitions to instances, as well as the required existing instance preferences. The output is a verified mapping based on that preference list, i.e. partition p has a replica on node k with state s, where s may be a dropped or error state if necessary.

          mappingCalculator = new AutoRebalancer();
        } else if (idealState.getRebalanceMode() == RebalanceMode.SEMI_AUTO) {
          rebalancer = new SemiAutoRebalancer();
          mappingCalculator = new SemiAutoRebalancer();
        } else {
          rebalancer = new CustomRebalancer();
          mappingCalculator = new CustomRebalancer();
        }
        idealState =
            rebalancer.computeNewIdealState(resourceName, idealState, currentStateOutput, cache);
      }

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        SemiAutoRebalancer semiAutoRebalancer = new SemiAutoRebalancer();
        rebalancer = semiAutoRebalancer;
        mappingCalculator = semiAutoRebalancer;
        break;
      case CUSTOMIZED:
        CustomRebalancer customRebalancer = new CustomRebalancer();
        rebalancer = customRebalancer;
        mappingCalculator = customRebalancer;
        break;
      case USER_DEFINED:
      case TASK:

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Related Classes of org.apache.helix.controller.rebalancer.CustomRebalancer

org.apache.helix.controller.rebalancer.context.CustomRebalancerContext

org.apache.helix.controller.stages.BestPossibleStateCalcStage

org.apache.helix.controller.stages.ResourceAssignment

org.apache.helix.model.ResourceAssignment

org.apache.helix.model.StateModelDefinition

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