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Briefly, this error occurs when OpenSearch fails to delete old index-N blobs during the finalization process. This could be due to insufficient permissions, storage space issues, or network connectivity problems. To resolve this, you can try the following: 1) Check and adjust the permissions of the blob storage, ensuring OpenSearch has the necessary rights to perform deletion. 2) Verify there’s enough storage space and free up space if necessary. 3) Check the network connectivity between OpenSearch and the blob storage. 4) If the issue persists, consider restarting the OpenSearch service.
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This guide will help you check for common problems that cause the log ” [{}][{}] failed to delete old index-N blobs during finalization ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: repositories, delete, blobstore.
Overview
Delete a document
DELETE /my_index/_doc/1
Notes
- A delete request throws 404 error code if the document does not already exist in the index.
- If you want to delete a set of documents that matches a query, you need to use delete by query API.
Log Context
Log “[{}][{}] failed to delete old index-N blobs during finalization” classname is BlobStoreRepository.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
+ INDEX_SHARD_SNAPSHOTS_FORMAT.blobName(indexGeneration) + "]"; e);
}
try {
deleteFromContainer(shardContainer; blobsToDelete);
} catch (IOException e) {
logger.warn(() -> new ParameterizedMessage("[{}][{}] failed to delete old index-N blobs during finalization";
snapshotId; shardId); e);
}
};
}
