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https://issues.apache.org/jira/browse/HBASE-15536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263454#comment-15263454
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Yu Li commented on HBASE-15536:
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+1 (non-binding) to make AsyncFSWAL as default in 2.0
[~Apache9] Any plan to backport the great work here to branch-1? We're planning
to use AsyncFSWAL online by July (well, I'd say the perf number is really
attractive. :-D) and will start the work soon but duplicated work is no good,
so please let me know if you already got anything in progress for the backport
work. Thanks. :-)
OTOH, it would be great if there could be some perf number on multiwal in
comparison to single-wal with AsyncFSWAL. Recently we observed performance
downgrade when using multiwal (with FSHLog) in branch-1 and now trying hard to
locate the root cause (will open another JIRA to tell the details), so I'm a
little bit concerned about the multiwal part.
> Make AsyncFSWAL as our default WAL
> ----------------------------------
>
> Key: HBASE-15536
> URL: https://issues.apache.org/jira/browse/HBASE-15536
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Fix For: 2.0.0
>
> Attachments: HBASE-15536-v1.patch, HBASE-15536-v2.patch,
> HBASE-15536.patch
>
>
> As it should be predicated on passing basic cluster ITBLL
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