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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-19133) Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap
Date Thu, 28 Dec 2017 17:48:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-19133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-19133:
--------------------------
    Fix Version/s:     (was: 2.0.0-beta-2)
                   2.0.0-beta-1

> Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-19133
>                 URL: https://issues.apache.org/jira/browse/HBASE-19133
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anastasia Braginsky
>            Assignee: Gali Sheffi
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19133-V01.patch, HBASE-19133-V02.patch, HBASE-19133-V03.patch,
HBASE-19133.01.patch, HBASE-19133.02.patch, HBASE-19133.03.patch, HBASE-19133.04.patch, HBASE-19133.05.patch,
HBASE-19133.06.patch, HBASE-19133.07.patch, HBASE-19133.08.patch, HBASE-19133.09.patch, HBASE-19133.10.patch,
HBASE-19133.11.patch
>
>
> CellChunkMap Segment index requires all cell data to be written in the MSLAB Chunks.
Eventhough MSLAB is enabled, cells bigger than chunk size or upserted/incremented/appended
cells are still allocated on the JVM stack. If such cells are found in the process of flattening
into CellChunkMap (in-memory-flush) they need to be copied into MSLAB.



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