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Posted to issues@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/07/01 20:29:00 UTC

[jira] [Closed] (HBASE-16755) Honor flush policy under global memstore pressure

     [ https://issues.apache.org/jira/browse/HBASE-16755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-16755.
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> Honor flush policy under global memstore pressure
> -------------------------------------------------
>
>                 Key: HBASE-16755
>                 URL: https://issues.apache.org/jira/browse/HBASE-16755
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Ashu Pachauri
>            Assignee: Ashu Pachauri
>            Priority: Major
>             Fix For: 1.4.0, 1.3.1
>
>         Attachments: HBASE-16755.v0.patch
>
>
> When global memstore reaches the low water mark, we pick the best flushable region and flush all column families for it. This is a suboptimal approach in the  sense that it leads to an unnecessarily high file creation rate and IO amplification due to compactions. We should still try to honor the underlying FlushPolicy.



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