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https://issues.apache.org/jira/browse/HBASE-5900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jieshan Bean updated HBASE-5900:
--------------------------------
Status: Patch Available (was: Open)
> 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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