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https://issues.apache.org/jira/browse/HBASE-2158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13098627#comment-13098627
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anty.rao commented on HBASE-2158:
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I don't known the exact code changed.
I come across this issue, and I am a little doubt.After looking through the
code of hbase-0.90.4, i am sure that the current write path can continue when
we dip down the high limit, whatever the low limit is .
when above low limit( and already cross the high water marker), the flusher
will try its best to shrink memory to below the low limit by picking memstore
to flush, but it doesn't blocking write.
> Change how high/low global limit works; start taking on writes as soon as we
> dip below high limit rather than block until low limit as we currently do.
> -------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-2158
> URL: https://issues.apache.org/jira/browse/HBASE-2158
> Project: HBase
> Issue Type: Improvement
> Reporter: stack
>
> A Ryan Rawson suggestion. See HBASE-2149 for more context.
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