[IGNITE-12547] Excessive AtomicLong instantiations leads to GC pressure.

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.7.6
• Fix Version/s: 2.8
• Component/s: persistence
• Release Note: Reduced GC pressure caused by excessive use of arrays of AtomicLong
• Ignite Flags: Release Notes Required
• Assignee: Evgeny Stanilovsky
• Reporter: Evgeny Stanilovsky
• Created: 16/Jan/20 07:15
• Updated: 23/Jan/20 09:28
• Resolved: 17/Jan/20 12:01

Description

Excessive AtomicLong usage (in FreeList), i.e. AtomicLong[] leads to GC pressure and further starvation log messages, it would be more effective to replace AtomicLong[] with AtomicLongArray.

Issue Links

• links to: GitHub Pull Request #7267