[jira] [Commented] (HBASE-17254) Do alignment in heapOverhead() for ExtendedCell implementations

["Xiang Li (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-17254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15754267#comment-15754267 ] 

Xiang Li commented on HBASE-17254:
----------------------------------

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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