[HBASE-3862] Race conditions in aggregate calculation

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.92.0
• Fix Version/s: 0.92.0
• Component/s: Coprocessors
• Hadoop Flags: Reviewed
• Assignee: Unassigned
• Reporter: John Heitmann
• Created: 06/May/11 00:07
• Updated: 20/Nov/15 12:43
• Resolved: 06/May/11 04:25

Description

The AggregationClient requests aggregations from multiple region servers in parallel. The calculations in the reducer callbacks of the AggregationClient are not thread safe, and therefore could return an incorrect result due to simultaneous/interleaved execution.