Updating cluster.routing.allocation.disable-new-allocation from to – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Updating cluster.routing.allocation.disable-new-allocation from to ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: allocation, cluster and routing.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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

     class ApplySettings implements NodeSettingsService.Listener {
        public void onRefreshSettings(Settings settings) {
            boolean disableNewAllocation = settings.getAsBoolean(CLUSTER_ROUTING_ALLOCATION_DISABLE_NEW_ALLOCATION; DisableAllocationDecider.this.disableNewAllocation);
            if (disableNewAllocation != DisableAllocationDecider.this.disableNewAllocation) {
                logger.info("updating [cluster.routing.allocation.disable_new_allocation] from [{}] to [{}]"; DisableAllocationDecider.this.disableNewAllocation; disableNewAllocation);
                DisableAllocationDecider.this.disableNewAllocation = disableNewAllocation;

            boolean disableAllocation = settings.getAsBoolean(CLUSTER_ROUTING_ALLOCATION_DISABLE_ALLOCATION; DisableAllocationDecider.this.disableAllocation);
            if (disableAllocation != DisableAllocationDecider.this.disableAllocation) {


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