Failing %s failed to commit cluster state version %s – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.8-8.9

Briefly, this error occurs when Elasticsearch is unable to commit the current state of the cluster. This could be due to a variety of reasons such as network issues, disk space problems, or node failures. To resolve this issue, you can try the following: 1) Check the health of your nodes and ensure they are all operational. 2) Verify that there is sufficient disk space available. 3) Check your network connectivity and firewall settings. 4) Review your Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” failing [%s]: failed to commit cluster state version [%s] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: version, cluster.

Log Context

Log “failing [%s]: failed to commit cluster state version [%s]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                public void onFailure(Exception exception) {
                    if (exception instanceof FailedToCommitClusterStateException failedToCommitClusterStateException) {
                        final long notificationStartTime = threadPool.rawRelativeTimeInMillis();
                        final long version = newClusterState.version();
                        logger.warn(() -> format("failing [%s]: failed to commit cluster state version [%s]"; summary; version); exception);
                        for (final var executionResult : executionResults) {
                        final long notificationMillis = threadPool.rawRelativeTimeInMillis() - notificationStartTime;


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