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https://issues.apache.org/jira/browse/HBASE-14921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15424938#comment-15424938
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Anoop Sam John commented on HBASE-14921:
----------------------------------------

What we observed in our tests with G1GC is that the MSLAB pool is not behaving 
worse.  And in off heap write path, our idea is to have an MSLAB with off heap 
backing and here we would need pool any way.

> Memory optimizations
> --------------------
>
>                 Key: HBASE-14921
>                 URL: https://issues.apache.org/jira/browse/HBASE-14921
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0
>            Reporter: Eshcar Hillel
>            Assignee: Anastasia Braginsky
>         Attachments: CellBlocksSegmentInMemStore.pdf, 
> CellBlocksSegmentinthecontextofMemStore(1).pdf, HBASE-14921-V01.patch, 
> HBASE-14921-V02.patch, HBASE-14921-V03.patch, HBASE-14921-V04-CA-V02.patch, 
> HBASE-14921-V04-CA.patch, HBASE-14921-V05-CAO.patch, 
> HBASE-14921-V06-CAO.patch, HBASE-14921-V08-CAO.patch, 
> HBASE-14921-V09-CAO.patch, HBASE-14921-V10-CAO.patch, 
> HBASE-14921-V11-CAO.patch, HBASE-14921-V11-CAO.patch, 
> InitialCellArrayMapEvaluation.pdf, 
> IntroductiontoNewFlatandCompactMemStore.pdf, MemStoreSizes.pdf, 
> MemstoreItrCountissue.patch, NewCompactingMemStoreFlow.pptx
>
>
> Memory optimizations including compressed format representation and offheap 
> allocations



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