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https://issues.apache.org/jira/browse/HBASE-779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617221#action_12617221
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stack commented on HBASE-779:
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In todd lipcon testing, this parameter set to 2 seems to increase rate at which
we take on writes considerably (duh!) and until he hit HBASE-751, all seemed to
be running smoothly.
> Test changing hbase.hregion.memcache.block.multiplier to 2
> ----------------------------------------------------------
>
> Key: HBASE-779
> URL: https://issues.apache.org/jira/browse/HBASE-779
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
> Priority: Blocker
> Fix For: 0.2.0
>
>
> Currently its set to 1. Under load, seeing
> fill-cache/pause-while-cache-is-flushed cycle. Changing multiplier to 2
> could make hbase take on load faster (Was set to 1 because compactions used
> to overwhelm the system but now HBASE-745 added a not-so-dumb compaction
> algorithim, we might be able to run w/ a value of 2).
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