[IMPALA-2380] Nested Loop Join should check mem limit when deep copying

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 2.3.0
• Fix Version/s: Impala 2.3.0
• Target Version: Impala 2.3.0
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 21/Sep/15 23:29
• Updated: 23/Sep/15 03:05
• Resolved: 23/Sep/15 03:05

Description

The nested loop join eagerly deep copies multiple row batches without checking its memory limit. We should check this more frequently to avoid going significantly over the memory limit.

Issue Links

• blocks: IMPALA-2378 Impalad exceeded its mem limit