[HBASE-25817] Memory leak from thrift server hashMap

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.0.0, 2.2.0, 1.7.0
• Fix Version/s: 3.0.0-alpha-1, 2.5.0, 2.3.6, 2.4.4
• Component/s: Thrift
• Hadoop Flags: Reviewed
• Flags: Patch
• Assignee: yeonsuk Choi
• Reporter: yeonsuk Choi
• Created: 27/Apr/21 12:24
• Updated: 23/May/21 02:41
• Resolved: 22/May/21 02:59

Description

I found when the scanner does not closed successfully, it remains forever in the hashMap that stores the state of the scanner.

To resolve this problem, I make scannerMap to Guava Cache so that can be expired on set time.

Issue Links

• links to: GitHub Pull Request #3257