[jira] [Updated] (HDDS-8529) [Snapshot] Refactor OmSnapshotManager constructor to reduce initialization done when snapshot feature is disabled

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

     [ https://issues.apache.org/jira/browse/HDDS-8529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prashant Pogde updated HDDS-8529:
---------------------------------
    Priority: Minor  (was: Major)

> [Snapshot] Refactor OmSnapshotManager constructor to reduce initialization done when snapshot feature is disabled
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-8529
>                 URL: https://issues.apache.org/jira/browse/HDDS-8529
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: Snapshot
>            Reporter: Siyao Meng
>            Priority: Minor
>
> This is a follow-up to HDDS-8166.
> Refactor {{OmSnapshotManager}} constructor to further reduce the initialization steps (e.g. SnapDiff DB initialization, its column family creation) that are done when snapshot feature is *disabled*.
> See the block comment right above {{OmSnapshotManager}} constructor for more details.
> Original block comment:
> {code}
>   /**
>    * TODO: [SNAPSHOT] HDDS-8529: Refactor the constructor in a way that when
>    *  ozoneManager.isFilesystemSnapshotEnabled() returns false,
>    *  no snapshot-related background job or initialization would run,
>    *  except for applying previously committed Ratis transactions in e.g.:
>    *  1. {@link OMKeyPurgeRequest#validateAndUpdateCache}
>    *  2. {@link OMDirectoriesPurgeRequestWithFSO#validateAndUpdateCache}
>    */
>   public OmSnapshotManager(OzoneManager ozoneManager) {
> {code}



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