[IMPALA-7626] Throttle requests in catalogd to avoid overloading catalogd

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 3.1.0
• Component/s: Catalog
• Epic Color: ghx-label-6
• Assignee: Bharath Vissapragada
• Reporter: Adrian Ng
• Created: 26/Sep/18 01:49
• Updated: 08/Oct/18 17:13
• Resolved: 08/Oct/18 17:13

Description

With local catalog implementation (metadata v2) and pull-based incremental stats, the CPU load on catalogd can get higher. We should have a way to throttle the load on catalogd.