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https://issues.apache.org/jira/browse/HBASE-17049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116254#comment-16116254
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ramkrishna.s.vasudevan commented on HBASE-17049:
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bq.Old WAL impl is having 5 syncer threads by default and AsyncWAL having 1. 
Correct? Ur tests changed any of these Ram?
No. AsyncFSWAL will have only 1 thread anyway because it depends on the Netty's 
model now. I will reconfirm with more tests this week. 

> 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
>            Priority: Blocker
>             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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