[CASSANDRA-10425] Autoselect GC settings depending on system memory

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Won't Fix
• Component/s: Local/Config
• Assignee: Unassigned
• Reporter: Jonathan Shook
• Created: 30/Sep/15 18:30
• Updated: 16/Apr/19 09:30
• Resolved: 13/Jan/16 08:49

Description

1) Make GC modular within cassandra-env
2) For systems with 32GB or less of ram, use the classic CMS with the established default settings.
3) For systems with 48GB or more of ram, use 1/2 or up to 32GB of heap with G1, whichever is lower.