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From "Xiang Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17254) Do alignment in heapOverhead() for ExtendedCell implementations
Date Mon, 12 Dec 2016 07:24:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiang Li updated HBASE-17254:
-----------------------------
    Description: 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.  (was:
In KeyValue(and there might be 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.)

> 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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