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Posted to issues@hbase.apache.org by "Xiang Li (JIRA)" <ji...@apache.org> on 2016/12/05 03:34:58 UTC

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

     [ 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 there might be other ExtendedCell implementations), heapOverhead() does not do alignment(padding gap). I think alignment is required when calculating heapOverhead, as 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 there might be other ExtendedCell implementations), heapOverhead() does not do alignment(padding gap). I think alignment is required when calculating heapOverhead, as the space losses due to alignment can not be used by other objects in heap.



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