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From "Biju Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18708) Configure on-heap bucketCache size using percentage of heap size
Date Mon, 06 Nov 2017 12:21:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240196#comment-16240196

Biju Nair commented on HBASE-18708:

Yes. We should remove the on-heap bucket cache option. 

> Configure on-heap bucketCache size using percentage of heap size
> ----------------------------------------------------------------
>                 Key: HBASE-18708
>                 URL: https://issues.apache.org/jira/browse/HBASE-18708
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Biju Nair
>            Assignee: Biju Nair
>            Priority: Trivial
>         Attachments: HBASE-18708-BRANCH-1.PATCH
> Currently heap allocations for RS memory structures like {{memstore}} and {{lruCache}}
are configured as percentage of total RS heap size. Since on-heap bucketCache uses RS heap,
configuring it as a percentage of heap size will improve usability. Currently this can be
configured either as a percentage of heap or a memory size in MiB and we can remove the latter
option which is applicable to external or off-heap bucketCache.

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