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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18294) Reduce global heap pressure: flush based on heap occupancy
Date Thu, 01 Feb 2018 21:43:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-18294:
--------------------------
    Attachment: HBASE-18294.01.patch

> Reduce global heap pressure: flush based on heap occupancy
> ----------------------------------------------------------
>
>                 Key: HBASE-18294
>                 URL: https://issues.apache.org/jira/browse/HBASE-18294
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Eshcar Hillel
>            Assignee: Eshcar Hillel
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: HBASE-18294.01.patch, HBASE-18294.01.patch, HBASE-18294.01.patch,
HBASE-18294.01.patch, HBASE-18294.02.patch, HBASE-18294.03.patch, HBASE-18294.04.patch, HBASE-18294.05.patch,
HBASE-18294.06.patch, HBASE-18294.07.patch, HBASE-18294.07.patch, HBASE-18294.08.patch, HBASE-18294.09.patch,
HBASE-18294.10.patch, HBASE-18294.11.patch, HBASE-18294.11.patch, HBASE-18294.12.patch, HBASE-18294.13.patch,
HBASE-18294.15.patch, HBASE-18294.16.patch, HBASE-18294.master.01.patch
>
>
> A region is flushed if its memory component exceed a threshold (default size is 128MB).
> A flush policy decides whether to flush a store by comparing the size of the store to
another threshold (that can be configured with hbase.hregion.percolumnfamilyflush.size.lower.bound).
> Currently the implementation (in both cases) compares the data size (key-value only)
to the threshold where it should compare the heap size (which includes index size, and metadata).



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