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https://issues.apache.org/jira/browse/HBASE-14921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402087#comment-15402087
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Eshcar Hillel commented on HBASE-14921:
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Hi [~anoop.hbase], [~ram_krish],
Did you use ssd machines for the PE?
So far when running the suggested setting on an hdd machine I get an
insufficient memory error even when running the default memstore, so I suspect
this is due to IO bottleneck (flushes are simply too slow).
Can you share the configuration of the machine you run on?
> 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, InitialCellArrayMapEvaluation.pdf,
> IntroductiontoNewFlatandCompactMemStore.pdf, NewCompactingMemStoreFlow.pptx
>
>
> Memory optimizations including compressed format representation and offheap
> allocations
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