[jira] [Resolved] (HDDS-10019) Simplify updateLastAppliedIndex in OzoneManagerStateMachine

["Tsz-wo Sze (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-10019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz-wo Sze resolved HDDS-10019.
-------------------------------
    Fix Version/s: 1.5.0
         Assignee: Tsz-wo Sze
       Resolution: Fixed

All the subtask are now completed.  Resolving this ...

> Simplify updateLastAppliedIndex in OzoneManagerStateMachine
> -----------------------------------------------------------
>
>                 Key: HDDS-10019
>                 URL: https://issues.apache.org/jira/browse/HDDS-10019
>             Project: Apache Ozone
>          Issue Type: Improvement
>          Components: OM HA
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>             Fix For: 1.5.0
>
>
> HDDS-2680 added some complicated logic to updateLastAppliedIndex.  It leads to some bugs like HDDS-9342.
> This JIRA is to investigate some ways to simplify the logic.  In particular, we should remove data structure / interface like
> - OzoneManagerStateMachine
> -* applyTransactionMap
> -* ratisTransactionMap
> - OzoneManagerDoubleBuffer
> -* indexToTerm (HDDS-10006)
> -* ozoneManagerRatisSnapShot
> -* currentFutureQueue
> -* readyFutureQueue



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