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https://issues.apache.org/jira/browse/HBASE-16401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15648367#comment-15648367
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Anoop Sam John commented on HBASE-16401:
----------------------------------------

Ya there should be some way to do #2.  Hope the sub task in off heap write, 
will do this.
#1 It should be ok to consider the flushes due to heap pressure , even if it is 
off heap memstore.  Any way we need to make sure to pass only heap related 
stats to tuner. After all it is HeapMemoryManger/Tuner.    We might need Off 
heap tuning also?  May be later. 

> Enable HeapMemoryManager by default in 2.0
> ------------------------------------------
>
>                 Key: HBASE-16401
>                 URL: https://issues.apache.org/jira/browse/HBASE-16401
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 2.0.0
>
>
> Back in HBASE-5349, on the end of the issue, we talked about enabling 
> HeapMemoryManager by default. Lets do it for 2.0 with some conservative 
> boundaries. Do it now so we have some experience running it before release.



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