[IMPALA-492] Make the "Exceed mem limit" error message more actionable

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 1.1
• Fix Version/s: Impala 1.1.1
• Assignee: Nong Li
• Reporter: Alan Choi
• Created: 26/Jul/13 20:32
• Updated: 20/Dec/15 00:05
• Resolved: 09/Jan/14 21:29

Description

The current error message is "ERROR: Memory limit exceeded". It doesn't tell us what causes it (is it the join, aggregate, or order by?). Returning an estimated amount of memory required to execute the query would be useful.