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https://issues.apache.org/jira/browse/HBASE-17049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15692987#comment-15692987
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ramkrishna.s.vasudevan commented on HBASE-17049:
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Do you mean multiWAL per region?
Do you have the infra to run with 3 nodes with AsyncWAL (and with PE) to see
how much Fanout is helping us. I think may be as there is only one node and
there are flushes and compactions this eventloop that waits for response from
DN is getting delayed for the response.
> Find out why AsyncFSWAL issues much more syncs than FSHLog
> ----------------------------------------------------------
>
> Key: HBASE-17049
> URL: https://issues.apache.org/jira/browse/HBASE-17049
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Fix For: 2.0.0
>
> Attachments: delay-sync.patch
>
>
> https://issues.apache.org/jira/browse/HBASE-16890?focusedCommentId=15647590&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15647590
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