[jira] [Created] (HDDS-13704) Calculate pending for deletion bytes at each snapshot

["Sumit Agrawal (Jira)" <ji...@apache.org>]

Sumit Agrawal created HDDS-13704:
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             Summary: Calculate pending for deletion bytes at each snapshot
                 Key: HDDS-13704
                 URL: https://issues.apache.org/jira/browse/HDDS-13704
             Project: Apache Ozone
          Issue Type: Sub-task
            Reporter: Sumit Agrawal


To identify how much pending overall acquired by snapshot, we can maintain the pending bytes to be deleted at each snapshot.

This pendingDeletion bytes will refer the amount of bytes pending for deletion in deletedTable and deletedDirectoryTable.

So from this, it can identify *total bytes* hold by snapshots (exclusively) = sum(all snapshot pending bytes)

 

Gap:
 * newly pending for delete in active db can be part of snapshots, this will not be able to be treated as snapshot exclusive till additional computation is done for this.
 * This might be not in this scope
 * This will be treated as pending bytes, but recon when doing seggregation can handle this scenario.

 

As implementation perspective, it can be implemented during -
 * deep clean service of snapshot
 * store this information in SnapshotInfoTable

 

 

 



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