[jira] [Commented] (HBASE-26526) Introduce a timeout to shutdown of WAL

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

    [ https://issues.apache.org/jira/browse/HBASE-26526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455235#comment-17455235 ] 

Hudson commented on HBASE-26526:
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> Introduce a timeout to shutdown of WAL
> --------------------------------------
>
>                 Key: HBASE-26526
>                 URL: https://issues.apache.org/jira/browse/HBASE-26526
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>    Affects Versions: 3.0.0-alpha-1, 2.0.0
>            Reporter: Xiaolin Ha
>            Assignee: Xiaolin Ha
>            Priority: Major
>             Fix For: 3.0.0-alpha-2
>
>
> When the regionserver is aborted(server.isAborted() is true), it will just reject the newly coming requests, so it is important to keep a short time to stop to make a short MTTR. 
> When the WAL is shutting down, we can wait some time to flush the unacked appends, but if that is a long time, I think we can just abort without flushing them. 
> By introducing a timeout for WAL shutdown, we can control the shutdown time, especially for those sensitive businesses.



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