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

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

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Updating cluster.routing.allocation.node_concurrent_recoveries 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.node_concurrent_recoveries] from [{}] to [{}]” classname is ThrottlingAllocationDecider.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 ThrottlingAllocationDecider.this.primariesInitialRecoveries = primariesInitialRecoveries;
            }

            int concurrentRecoveries = settings.getAsInt(CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_RECOVERIES; ThrottlingAllocationDecider.this.concurrentRecoveries);
            if (concurrentRecoveries != ThrottlingAllocationDecider.this.concurrentRecoveries) {
                logger.info("updating [cluster.routing.allocation.node_concurrent_recoveries] from [{}] to [{}]"; ThrottlingAllocationDecider.this.concurrentRecoveries; concurrentRecoveries);
                ThrottlingAllocationDecider.this.concurrentRecoveries = concurrentRecoveries;
            }
        }
    }
}




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: Unassigned Shards, how to fix?

210.06 K 159

Github Issue Number 14387  

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