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https://issues.apache.org/jira/browse/HBASE-3149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211614#comment-13211614
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Lars Hofhansl commented on HBASE-3149:
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@Nicolas: Interesting bit about hstore.compaction.min.size. I'm curious, is 4MB
something that works specifically for your setup, or would you generally
recommend it setting it that low?
It probably has to do with whether compression is enabled, how many CFs and
relative sizes, etc.
Maybe instead of defaulting it to flushsize, we could default it to flushsize/2
or flushsize/4...?
> Make flush decisions per column family
> --------------------------------------
>
> Key: HBASE-3149
> URL: https://issues.apache.org/jira/browse/HBASE-3149
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Karthik Ranganathan
> Assignee: Nicolas Spiegelberg
>
> Today, the flush decision is made using the aggregate size of all column
> families. When large and small column families co-exist, this causes many
> small flushes of the smaller CF. We need to make per-CF flush decisions.
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