[jira] [Created] (IGNITE-18313) Delete snapshot on error in the snapshot thread pool.

["Vladimir Steshin (Jira)" <ji...@apache.org>]

Vladimir Steshin created IGNITE-18313:
-----------------------------------------

             Summary: Delete snapshot on error in the snapshot thread pool.
                 Key: IGNITE-18313
                 URL: https://issues.apache.org/jira/browse/IGNITE-18313
             Project: Ignite
          Issue Type: Improvement
            Reporter: Vladimir Steshin


We delete snapshot in `_IgniteSnapshotManager.initLocalSnapshotEndStage()`_ if a snapshot creation error occurred:

{code:java}
if (req.error() != null) {
    snpReq.error(req.error());

    deleteSnapshot(snapshotLocalDir(req.snapshotName(), req.snapshotPath()), pdsSettings.folderName());
}
{code}

This call is performed in _GridDiscoveryManager_'s thread, "_disco-notifier-worker-..._". 
Probably, it is better to use the snapshot pool for snapshot-related I/O operations `_IgniteSnapshotManager.snapshotExecutorService()_`. This would help not to stop other processing of various discovery events.



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