[FLINK-34647] Path normalization is allocation intensive

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.20.0
• Component/s: API / Core, Runtime / Checkpointing
• Labels: pull-request-available
• Flags: Patch
• Assignee: David Schlosnagle
• Reporter: David Schlosnagle
• Created: 12/Mar/24 00:41
• Updated: 21/Mar/24 04:48
• Resolved: 21/Mar/24 04:48

Description

While investigating allocation stalls and GC pressure of a Flink streaming pipeline, I noticed significant allocations in JFR from Flink path normalization:

Issue Links

• links to: Github PR Optimize Path normalization #24473
• links to: GitHub Pull Request #24473