concurrent_snapshot_execution_exception: concurrent_snapshot_execution_exception
ElasticsearchWhat does it mean?
A new snapshot/restore request was rejected because a conflicting snapshot operation is running at the same time. Another snapshot operation is still in progress on the repository or index.
Why does it happen?
A previous snapshot still in progress, a concurrent snapshot/restore conflict affecting the same index, an SLM (snapshot lifecycle) policy colliding with a manual snapshot, or triggers at short intervals.
How to fix it
Check running snapshots: GET _snapshot/repo/_current and GET _snapshot/_status. Wait for the current operation to finish, or cancel it if necessary: DELETE _snapshot/repo/snapshot_name. Schedule snapshots so they do not overlap. Coordinate manual operations with SLM.
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