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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14921) Memory optimizations
Date Tue, 29 Mar 2016 16:48:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15216318#comment-15216318
] 

stack commented on HBASE-14921:
-------------------------------

I tried changing CNM to NM and it fails because we use tailMap and heapMap from CNM. Answered
my own question.

bq. ....but very-large are special big chunks allocated for special size.

Looking forward to this.

> 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
>
>
> Memory optimizations including compressed format representation and offheap allocations



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