Failed to delete index blobs during finalization – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.2-7.2

Briefly, this error occurs when Elasticsearch is unable to delete index blobs during the finalization process. This could be due to insufficient permissions, disk space issues, or network connectivity problems. To resolve this issue, you can try the following: 1) Check and adjust the permissions of the Elasticsearch directory to ensure it has the necessary rights to perform deletion. 2) Verify that there is enough disk space available. 3) Check the network connectivity between Elasticsearch nodes. 4) If the problem persists, consider restarting the Elasticsearch service.

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

Log Context

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

                final List blobNames =
                try {
                } catch (IOException e) {
                    logger.warn(() -> new ParameterizedMessage("[{}][{}] failed to delete index blobs {} during finalization";
                        snapshotId; shardId; blobNames); e);
                    throw e;

                // If we deleted all snapshots; we don't need to create a new index file


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