[IMPALA-1507] Impala hits DCHECK with low but reasonable query mem_limit.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.1
• Fix Version/s: Impala 2.1
• Assignee: Ippokratis Pandis
• Reporter: Alexander Behm
• Created: 21/Nov/14 21:45
• Updated: 17/Dec/14 08:17
• Resolved: 17/Dec/14 08:17

Description

Run TPCH-Q1 on a mini cluster with a query mem_limit=100m.
You'll hit this DCHECK:

...
F1121 13:40:48.299549  2483 partitioned-aggregation-node.cc:538] Check failed: !aggregated_row_stream->using_small_buffers()
...