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Skip rebalancing when cluster_concurrent_rebalance threshold reached (#33329)

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Allows to skip shard balancing when the cluster_concurrent_rebalance threshold is already reached, which cuts down the time spent in the rebalance method of BalancedShardsAllocator.
This commit is contained in:
Bukhtawar 2018-09-17 16:43:44 +05:30 committed by Yannick Welsch
parent 5ca6f31205
commit 14d57c1115
1 changed files with 5 additions and 0 deletions
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server/src/main/java/org/elasticsearch/cluster/routing/allocation/decider/ConcurrentRebalanceAllocationDecider.java
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@ -61,6 +61,11 @@ public class ConcurrentRebalanceAllocationDecider extends AllocationDecider {
@Override
public Decision canRebalance(ShardRouting shardRouting, RoutingAllocation allocation) {
return canRebalance(allocation);
}
@Override
public Decision canRebalance(RoutingAllocation allocation) {
if (clusterConcurrentRebalance == -1) {
return allocation.decision(Decision.YES, NAME, "unlimited concurrent rebalances are allowed");
}