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https://issues.apache.org/jira/browse/HBASE-28601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18047083#comment-18047083
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Xiao Liu commented on HBASE-28601:
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Hi, [~ndimiduk], are you referring to MemcachedBlockCache when you mention
memcache? I don't seem to see any capacity settings defined in this class.
> Enable setting memcache on-heap sizes in bytes
> ----------------------------------------------
>
> Key: HBASE-28601
> URL: https://issues.apache.org/jira/browse/HBASE-28601
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Nick Dimiduk
> Priority: Major
>
> 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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