Ignoring transient setting ; – 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 analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Ignoring transient setting ; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, cluster and settings.

Log Context

Log “ignoring transient setting [{}]; [{}]” classname is TransportClusterUpdateSettingsAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         if (error == null) {
                            transientSettings.put(entry.getKey(); entry.getValue());
                            transientUpdates.put(entry.getKey(); entry.getValue());
                            changed = true;
                        } else {
                            logger.warn("ignoring transient setting [{}]; [{}]"; entry.getKey(); error);
                    } else {
                        logger.warn("ignoring transient setting [{}]; not dynamically updateable"; entry.getKey());


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