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https://issues.apache.org/jira/browse/PHOENIX-4026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16090456#comment-16090456
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Samarth Jain commented on PHOENIX-4026:
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>From what I understand, after talking with [~churromorales], when region 
>server recovers after a crash, it replays the edits in WAL files to recover 
>changes that were not flushed from the memstore to HFile. I guess the real 
>question is whether WAL is replayed when region server crashes after 
>postBatchMutateInDispensably has completed successfully. I would say yes.

> Option to not wait on global mutable index write to complete
> ------------------------------------------------------------
>
>                 Key: PHOENIX-4026
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4026
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Samarth Jain
>         Attachments: PHOENIX-4026_wip.patch
>
>
> Today, a data table update synchronously waits for the index update to 
> complete. While some users may want that kind of strong consistency, some may 
> be ok with the call to return once the data table write is done.



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