[IMPALA-1751] Setting -enable_partitioned_hash_join=false still allows spilling for some join types.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: Impala 2.0, Impala 2.1, Impala 2.1.1, Impala 2.2, Impala 2.3.0
• Component/s: Backend
• Labels: performance usability
• Target Version: Product Backlog
• Assignee: Unassigned
• Reporter: Alexander Behm
• Created: 12/Feb/15 00:29
• Updated: 28/Jan/17 00:32
• Resolved: 28/Jan/17 00:32

Description

Disabling spilling joins via the "-enable_partitioned_hash=false" impalad startup flag does not work as expected because RIGHT SEMI/ANTI JOIN and the NULL AWARE LEFT ANTI JOIN will still use the spilling operator. So even if the startup flag is set, spilling on joins can occur.

Issue Links

• is blocked by: IMPALA-2167 Remove the old (unpartitioned) HJ and AGG nodes