System limitation insufficient RAM
From Gentoo Wiki
Problem Description
When compiling with n jobs parallel the requirement of RAM grows approximately by a factor n. Unfortunately we can not predict the exact amount of RAM needed nor we can predict how much RAM will be consumed by other programs.
Tracking problematic packages
Packages with reports about insufficient RAM are tracked in bug #924185
Solutions
- As package maintainer inherit the eclass check-reqs.eclass and set
CHECKREQS_MEMORY. - As user one can limit the number of parallel jobs to safe RAM.