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https://issues.apache.org/jira/browse/HBASE-5699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265596#comment-13265596
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Todd Lipcon commented on HBASE-5699:
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bq. Currently each HRegion has reference to the HLog it uses. If requests can
be freely redirected to the HLog instance having fewer outstanding requests,
the reference would be to that of the region server.
Sorry, I should be less free-wheeling with my terminology. My thought was that
there is still a single "HLog" class, but underneath it would be multiple
"SequenceFileLogWriters", most likely. Though maybe the correct implementation
is to make HLog an interface, and then have a MultiHLog which wraps N other
HLogs or something. Either way, any region would only have a reference to one
"HLog" object, which might have more than one underlying stream.
> Run with > 1 WAL in HRegionServer
> ---------------------------------
>
> Key: HBASE-5699
> URL: https://issues.apache.org/jira/browse/HBASE-5699
> Project: HBase
> Issue Type: Improvement
> Reporter: binlijin
> Assignee: Li Pi
>
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