Deleting snapshot – 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 ” Deleting snapshot ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.

Log Context

Log “deleting snapshot [{}]” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

      * 
param listener listener
     * 
param repositoryStateId the unique id for the state of the repository
     */
    private void deleteSnapshot(final Snapshot snapshot; final ActionListener listener; final long repositoryStateId;
                                final boolean immediatePriority) {
        logger.info("deleting snapshot [{}]"; snapshot);
        Priority priority = immediatePriority ? Priority.IMMEDIATE : Priority.NORMAL;
        clusterService.submitStateUpdateTask("delete snapshot"; new ClusterStateUpdateTask(priority) {

            boolean waitForSnapshot = false;



 

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