Snapshot started – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch initiates a snapshot process. It’s not an error message, but an informational log indicating that a snapshot operation has begun. If you see this message frequently and it’s causing concern, you may want to check your snapshot frequency settings. To resolve any issues, ensure that your snapshot repository is correctly configured and has sufficient storage space. Also, monitor the snapshot process to ensure it completes successfully and doesn’t impact your system’s performance.

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

Log Context

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


            public void clusterStateProcessed(String source; ClusterState oldState; final ClusterState newState) {
                try {
          "snapshot [{}] started"; snapshot);
                } finally {
                    if (newEntry.state().completed()) {
                        endSnapshot(newEntry; newState.metadata(); repositoryData);


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