[HBASE-27708] CPU hot-spot resolving User subject

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 2.6.0, 3.0.0-alpha-4, 2.5.4
• Component/s: Client, tracing
• Assignee: Nick Dimiduk
• Reporter: Nick Dimiduk
• Created: 13/Mar/23 13:20
• Updated: 17/Mar/23 19:32
• Resolved: 16/Mar/23 12:58

Description

Even with OpenTelemetry tracing disabled, we see contention related to populating the string representation of the User principle on the client side. Can HBase connection cache this?

Issue Links

• links to: GitHub Pull Request #5103
• links to: GitHub Pull Request #5111
• links to: GitHub Pull Request #5112