Jieshan Bean created HBASE-5900:
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Summary: 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
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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