[jira] [Updated] (HBASE-5900) HRegion#FIXED_OVERHEAD is miscalculated in 94.

["Zhihong Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-5900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhihong Yu updated HBASE-5900:
------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Fix included in the patch for HBASE-5611.
                
> HRegion#FIXED_OVERHEAD is miscalculated in 94.
> ----------------------------------------------
>
>                 Key: HBASE-5900
>                 URL: https://issues.apache.org/jira/browse/HBASE-5900
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.94.0
>            Reporter: Jieshan Bean
>            Assignee: Jieshan Bean
>             Fix For: 0.94.1
>
>         Attachments: HRegion-FIEED_OVERHEAD.patch
>
>
> After apply the patch of HBASE-5611, and tested on a 32-bit machine. This problem was triggered.
> Before this patch, TestHeapSize is passed by pure coincidence in 94.
> {noformat}
>   public static final long FIXED_OVERHEAD = ClassSize.align(
>       ClassSize.OBJECT +
>       ClassSize.ARRAY +
>       30  * ClassSize.REFERENCE + Bytes.SIZEOF_INT +
>       (6 * Bytes.SIZEOF_LONG) +
>       Bytes.SIZEOF_BOOLEAN);
> {noformat}
> Actually, there are 31 REFERENCEs and 5 LONGs in HRegion.

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