[HIVE-19430] ObjectStore.cleanNotificationEvents OutOfMemory on large number of pending events

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 4.0.0-alpha-1
• Component/s: HCatalog, repl
• Labels: pull-request-available
• Target Version/s: 4.0.0
• Assignee: Ashutosh Bapat
• Reporter: Thejas Nair
• Created: 05/May/18 06:41
• Updated: 17/Nov/22 08:55
• Resolved: 18/Feb/19 07:01

Description

If there are large number of events that haven't been cleaned up for some reason, then ObjectStore.cleanNotificationEvents() can run out of memory while it loads all the events to be deleted.
It should fetch events in batches.

Issue Links

• links to: GitHub Pull Request #537