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https://issues.apache.org/jira/browse/HBASE-17049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16266763#comment-16266763
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Duo Zhang commented on HBASE-17049:
-----------------------------------
We still use hard disk, so the disk io maybe the bottleneck then AsyncFSWAL
will be faster.
But the strange thing is, with HBASE-17049 in place, autoFlush=false is faster
but autoFlush=true is slower... Hard to explain...
> Do not issue sync request when there are still entries in ringbuffer
> --------------------------------------------------------------------
>
> Key: HBASE-17049
> URL: https://issues.apache.org/jira/browse/HBASE-17049
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-17049.patch, 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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