[IMPALA-2964] Determine if waiting Xms for scan-range filters is effective

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.5.0
• Fix Version/s: Impala 2.5.0
• Component/s: Distributed Exec
• Target Version: Impala 2.5.0
• Assignee: Henry Robinson
• Reporter: Henry Robinson
• Created: 08/Feb/16 20:44
• Updated: 02/Mar/16 03:57
• Resolved: 02/Mar/16 03:57

Description

We would consider trading waiting for runtime filters for gains in IO / scanning costs. Implement a mechanism to wait for up to Xms for runtime filters in the scan node, and evaluate its effectiveness.