Failed to finalize snapshot – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

Briefly, this error occurs when Elasticsearch is unable to complete the snapshot process due to issues like insufficient disk space, network connectivity problems, or issues with the underlying storage system. To resolve this, you can try freeing up disk space, checking network connectivity, or verifying the health of your storage system. Additionally, ensure that the Elasticsearch cluster is running properly and that the snapshot repository is correctly configured.

This guide will help you check for common problems that cause the log ” [{}] failed to finalize snapshot ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.

Log Context

Log “[{}] failed to finalize snapshot” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                new SnapshotException(snapshot; "Failed to update cluster state during snapshot finalization"; e)
        } else {
            logger.warn(() -> new ParameterizedMessage("[{}] failed to finalize snapshot"; snapshot); e);
            removeFailedSnapshotFromClusterState(snapshot; e; repositoryData);