[HIVE-27657] Change hive.fetch.task.conversion.threshold default value

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Labels: pull-request-available
• Assignee: Mayank Kunwar
• Reporter: Mayank Kunwar
• Created: 30/Aug/23 08:57
• Updated: 29/Mar/24 17:50
• Resolved: 05/Sep/23 07:40

Description

With the introduction of fetch task caching, HS2 may quickly run out of memory if there are multiple parallel queries with fetch task.

We should be reducing the default value for hive.fetch.task.conversion.threshold to 209715200 (200M) from current 1073741824 (1G)

Issue Links

• links to: GitHub Pull Request #4643