Failure during health metadata update – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.5

Briefly, this error occurs when Elasticsearch encounters issues while updating the health metadata, which could be due to insufficient disk space, network connectivity issues, or corrupted indices. To resolve this, you can try freeing up disk space, checking network connectivity, or repairing the corrupted indices. If the issue persists, consider restarting the Elasticsearch service or, in extreme cases, reindexing the data.

This guide will help you check for common problems that cause the log ” failure during health metadata update ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata.

Log Context

Log “failure during health metadata update” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    abstract static class UpsertHealthMetadataTask implements ClusterStateTaskListener {

        public void onFailure(@Nullable Exception e) {
            logger.error("failure during health metadata update"; e);

        abstract ClusterState execute(ClusterState currentState);

        static class Executor implements ClusterStateTaskExecutor {