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https://issues.apache.org/jira/browse/HBASE-15536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15585406#comment-15585406
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Duo Zhang commented on HBASE-15536:
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Seems the biggest difference comes from the CellComparator related code?
For FSHLog, the hotest method is Bytes.toShort, 28.07%, it is called from
CellComparator. And unsafe compareTo, 4.29%, and some other stuffs but overall
it is less than 35% I think.
And for AsyncFSWAL, the CellComparator related code is more than 45%.
> Make AsyncFSWAL as our default WAL
> ----------------------------------
>
> Key: HBASE-15536
> URL: https://issues.apache.org/jira/browse/HBASE-15536
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-15536-v1.patch, HBASE-15536-v2.patch,
> HBASE-15536-v3.patch, HBASE-15536-v4.patch, HBASE-15536-v5.patch,
> HBASE-15536.patch, latesttrunk_asyncWAL_50threads_10cols.jfr,
> latesttrunk_defaultWAL_50threads_10cols.jfr
>
>
> As it should be predicated on passing basic cluster ITBLL
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