Updating cluster.routing.allocation.awareness.attributes 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.awareness.attributes 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.awareness.attributes] from [{}] to [{}]” classname is AwarenessAllocationDecider.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             String[] awarenessAttributes = settings.getAsArray(CLUSTER_ROUTING_ALLOCATION_AWARENESS_ATTRIBUTES; null);
            if (awarenessAttributes == null && "".equals(settings.get(CLUSTER_ROUTING_ALLOCATION_AWARENESS_ATTRIBUTES; null))) {
                awarenessAttributes = Strings.EMPTY_ARRAY; // the empty string resets this
            }
            if (awarenessAttributes != null) {
                logger.info("updating [cluster.routing.allocation.awareness.attributes] from [{}] to [{}]"; AwarenessAllocationDecider.this.awarenessAttributes; awarenessAttributes);
                AwarenessAllocationDecider.this.awarenessAttributes = awarenessAttributes;
            }
            Map forcedAwarenessAttributes = new HashMap(AwarenessAllocationDecider.this.forcedAwarenessAttributes);
            Map forceGroups = settings.getGroups(CLUSTER_ROUTING_ALLOCATION_AWARENESS_FORCE_GROUP);
            if (!forceGroups.isEmpty()) {




 

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