How To Solve Issues Related to Log – Updating cluster.routing.allocation.disable_replica_allocation from to

How To Solve Issues Related to Log – Updating cluster.routing.allocation.disable_replica_allocation from to

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Updating cluster.routing.allocation.disable_replica_allocation from to” it’s important to understand a few problems related to Elasticsearch concepts allocation, cluster, routing. See bellow important tips and explanations on these concepts

Log Context

Log”updating [cluster.routing.allocation.disable_replica_allocation] from [{}] to [{}]” classname is DisableAllocationDecider.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 DisableAllocationDecider.this.disableAllocation = disableAllocation;
            }

            boolean disableReplicaAllocation = settings.getAsBoolean(CLUSTER_ROUTING_ALLOCATION_DISABLE_REPLICA_ALLOCATION; DisableAllocationDecider.this.disableReplicaAllocation);
            if (disableReplicaAllocation != DisableAllocationDecider.this.disableReplicaAllocation) {
                logger.info("updating [cluster.routing.allocation.disable_replica_allocation] from [{}] to [{}]"; DisableAllocationDecider.this.disableReplicaAllocation; disableReplicaAllocation);
                DisableAllocationDecider.this.disableReplicaAllocation = disableReplicaAllocation;
            }
        }
    }





Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 ElasticSearch: How to disable shard reallocation of all shards?

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How to remove node from elasticsearch cluster on runtime without down time

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