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https://issues.apache.org/jira/browse/HBASE-17254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15754267#comment-15754267
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Xiang Li commented on HBASE-17254:
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Hi [~anoop.hbase], just would like to let you know that I did not stop working
on this JIRA but is reading HBASE-15950 and learning MSLAB related
JIRA/knowledge
> Do alignment in heapOverhead() for ExtendedCell implementations
> ---------------------------------------------------------------
>
> Key: HBASE-17254
> URL: https://issues.apache.org/jira/browse/HBASE-17254
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Xiang Li
> Assignee: Xiang Li
> Priority: Critical
>
> In KeyValue (and maybe other ExtendedCell implementations), heapOverhead()
> does not do alignment(padding gap). I think alignment is required when
> calculating heapOverhead, because the space losses due to alignment can not
> be used by other objects in heap.
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