[jira] [Created] (HDDS-6857) Implement Snapshot Delete API

["Prashant Pogde (Jira)" <ji...@apache.org>]

Prashant Pogde created HDDS-6857:
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             Summary: Implement Snapshot Delete API
                 Key: HDDS-6857
                 URL: https://issues.apache.org/jira/browse/HDDS-6857
             Project: Apache Ozone
          Issue Type: Sub-task
          Components: Ozone Manager
    Affects Versions: 1.3.0
            Reporter: Prashant Pogde
            Assignee: Prashant Pogde


This Jira can be used to track all the tasks associated with Deleting a Snapshot.

Snapshot Delete would also be driven through a RATIS transaction.

This API should move Snapshot from Active State to Deleted State. We should not remove the Snapshot RocksDB checkpoint directory yet. 

There will be another background thread that should reclaim all the keys that will go orphan as part of Snapshot deletion.

The Snapshot should move to a deleted-and-reclaimed state only after all such would-be-orphan keys and their data blocks are deleted.

 

The design doc has details on how to identify would-be-orphan key-set when the snapshot gets deleted.



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