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https://issues.apache.org/jira/browse/HBASE-20461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16998273#comment-16998273
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Duo Zhang commented on HBASE-20461:
-----------------------------------
Oh, shit, on master the sync(forceSync) is just a dummy call, we always use the
useHsync field in FSHLog and ignore the method parameter...
Anyway, could be a follow on, let me prepare the patch to also implement hsync
for AsyncFSWAL, and then let's fix the problem for both AsyncFSWAL and FSHLog.
> Implement fsync for frasyncwal
> ------------------------------
>
> Key: HBASE-20461
> URL: https://issues.apache.org/jira/browse/HBASE-20461
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Environment: Parent issue adds a config so we can fsync rather than
> sync for FSHLog, the branch-1 WAL. Add same for asyncfwal, the branch-2 WAL
> Reporter: Michael Stack
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.3, 2.1.9
>
>
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