Processing new cluster info – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.1-8.9

Briefly, this error occurs when Elasticsearch is updating its internal state with new cluster information. This could be due to changes in the cluster such as adding or removing nodes, updating settings, or changes in shard allocation. To resolve this, ensure that all nodes in the cluster are running compatible versions of Elasticsearch. If the issue persists, check the cluster’s health and logs for any anomalies. If the cluster is too large, consider splitting it into smaller clusters to reduce the complexity of cluster state updates.

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

Log Context

Log “processing new cluster info” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            lastNodes = Collections.emptySet();

        logger.trace("processing new cluster info");

        boolean reroute = false;
        String explanation = "";
        final long currentTimeMillis = currentTimeMillisSupplier.getAsLong();