public CommandsResult reroute(final ClusterState clusterState, AllocationCommands commands, boolean explain, boolean retryFailed) { RoutingNodes routingNodes = getMutableRoutingNodes(clusterState); // we don't shuffle the unassigned shards here, to try and get as close as possible to // a consistent result of the effect the commands have on the routing // this allows systems to dry run the commands, see the resulting cluster state, and act on it RoutingAllocation allocation = new RoutingAllocation(allocationDeciders, routingNodes, clusterState, clusterInfoService.getClusterInfo(), currentNanoTime()); // don't short circuit deciders, we want a full explanation allocation.debugDecision(true); // we ignore disable allocation, because commands are explicit allocation.ignoreDisable(true); RoutingExplanations explanations = commands.execute(allocation, explain); // we revert the ignore disable flag, since when rerouting, we want the original setting to take place allocation.ignoreDisable(false); // the assumption is that commands will move / act on shards (or fail through exceptions) // so, there will always be shard "movements", so no need to check on reroute if (retryFailed) { resetFailedAllocationCounter(allocation); } reroute(allocation); return new CommandsResult(explanations, buildResultAndLogHealthChange(clusterState, allocation, "reroute commands")); }
public CommandsResult reroute(final ClusterState clusterState, AllocationCommands commands, boolean explain, boolean retryFailed) { RoutingNodes routingNodes = getMutableRoutingNodes(clusterState); // we don't shuffle the unassigned shards here, to try and get as close as possible to // a consistent result of the effect the commands have on the routing // this allows systems to dry run the commands, see the resulting cluster state, and act on it RoutingAllocation allocation = new RoutingAllocation(allocationDeciders, routingNodes, clusterState, clusterInfoService.getClusterInfo(), currentNanoTime()); // don't short circuit deciders, we want a full explanation allocation.debugDecision(true); // we ignore disable allocation, because commands are explicit allocation.ignoreDisable(true); RoutingExplanations explanations = commands.execute(allocation, explain); // we revert the ignore disable flag, since when rerouting, we want the original setting to take place allocation.ignoreDisable(false); // the assumption is that commands will move / act on shards (or fail through exceptions) // so, there will always be shard "movements", so no need to check on reroute if (retryFailed) { resetFailedAllocationCounter(allocation); } reroute(allocation); return new CommandsResult(explanations, buildResultAndLogHealthChange(clusterState, allocation, "reroute commands")); }
public CommandsResult reroute(final ClusterState clusterState, AllocationCommands commands, boolean explain, boolean retryFailed) { RoutingNodes routingNodes = getMutableRoutingNodes(clusterState); // we don't shuffle the unassigned shards here, to try and get as close as possible to // a consistent result of the effect the commands have on the routing // this allows systems to dry run the commands, see the resulting cluster state, and act on it RoutingAllocation allocation = new RoutingAllocation(allocationDeciders, routingNodes, clusterState, clusterInfoService.getClusterInfo(), currentNanoTime()); // don't short circuit deciders, we want a full explanation allocation.debugDecision(true); // we ignore disable allocation, because commands are explicit allocation.ignoreDisable(true); RoutingExplanations explanations = commands.execute(allocation, explain); // we revert the ignore disable flag, since when rerouting, we want the original setting to take place allocation.ignoreDisable(false); // the assumption is that commands will move / act on shards (or fail through exceptions) // so, there will always be shard "movements", so no need to check on reroute if (retryFailed) { resetFailedAllocationCounter(allocation); } reroute(allocation); return new CommandsResult(explanations, buildResultAndLogHealthChange(clusterState, allocation, "reroute commands")); }