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https://issues.apache.org/jira/browse/HBASE-14743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15338858#comment-15338858
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Reid Chan commented on HBASE-14743:
-----------------------------------
Can we set the hbase.regionserver.global.memstore.size.min.range and
hfile.block.cache.size.min.range default values to 0.0 rather than 0.4, such
that the tuner is on by default
> Add metrics around HeapMemoryManager
> ------------------------------------
>
> Key: HBASE-14743
> URL: https://issues.apache.org/jira/browse/HBASE-14743
> Project: HBase
> Issue Type: Improvement
> Reporter: Elliott Clark
> Assignee: Reid Chan
> Priority: Minor
> Attachments: HBASE-14743.001.patch, HBASE-14743.002.patch,
> HBASE-14743.003.patch, HBASE-14743.004.patch, HBASE-14743.005.patch,
> HBASE-14743.006.patch, HBASE-14743.007.patch, HBASE-14743.008.patch,
> HBASE-14743.009.patch, HBASE-14743.009.rw3.patch, HBASE-14743.009.v2.patch,
> Screen Shot 2016-06-16 at 5.39.13 PM.png
>
>
> it would be good to know how many invocations there have been.
> How many decided to expand memstore.
> How many decided to expand block cache.
> How many decided to do nothing.
> etc.
> When that's done use those metrics to clean up the tests.
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