[UIMA-4106] DUCC RM Use getMemFree instead of getMemTotal for share calculations

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0-Ducc
• Fix Version/s: 2.0.0-Ducc
• Component/s: DUCC
• Assignee: Jim Challenger
• Reporter: Jim Challenger
• Created: 17/Nov/14 16:23
• Updated: 02/Dec/14 20:45
• Resolved: 02/Dec/14 20:45

Description

getMemFree() turns out not to be the FreeMemory from /proc but instead is TotalMemory - sum(processes owned by (uid<500)). This switch allows RM to calculate available memory without overcommitting into mostly-stable system-owned processes.