[jira] [Commented] (BOOKKEEPER-850) Use nanoseconds to calculate poll timeout when doing group commit

["Matteo Merli (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490420#comment-14490420 ] 

Matteo Merli commented on BOOKKEEPER-850:
-----------------------------------------

Code review: https://reviews.apache.org/r/33094/

> Use nanoseconds to calculate poll timeout when doing group commit
> -----------------------------------------------------------------
>
>                 Key: BOOKKEEPER-850
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-850
>             Project: Bookkeeper
>          Issue Type: Improvement
>    Affects Versions: 4.3.0
>            Reporter: Matteo Merli
>            Assignee: Matteo Merli
>            Priority: Minor
>             Fix For: 4.4.0
>
>         Attachments: 0001-BOOKKEEPER-850-Use-nanoseconds-to-calculate-poll-tim.patch
>
>
> When using group commit to reduce the number of fsync operations in the bookie journal, the timeout is rounded to the next millisecond. 
> If the group commit is set to 1ms, that would mean that the effective wait time will be closer to 2ms.



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