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https://issues.apache.org/jira/browse/HBASE-28600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17904845#comment-17904845
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JinHyuk Kim commented on HBASE-28600:
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{quote}We'll need an updated version of the patch in order to bring this to
branch-2 release lines.
{quote}
Understood. Then, I'll prepare a patch that doesn't rely on Hadoop 3 for
branch-2 release.
> Enable setting blockcache on-heap sizes in bytes
> ------------------------------------------------
>
> Key: HBASE-28600
> URL: https://issues.apache.org/jira/browse/HBASE-28600
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Nick Dimiduk
> Assignee: JinHyuk Kim
> Priority: Major
> Labels: pull-request-available
>
> Specifying blockcache and memcache sizes as a percentage of heap is not
> always ideal. Sometimes it's easier to specify exact values rather than
> backing into a percentage. Let's introduce new configuration settings
> (perhaps named similarly to {{hbase.bucketcache.size}}) that accept byte
> values. Even nicer would be if these settings accepted human-friendly byte
> values like {{512m}} or {{10g}}.
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