Partially Verified65% confidenceFactExact time
resource.getrusage(RUSAGE_SELF).ru_maxrss returns on Linux the peak resident memory of the current process since startup, in kilobytes; monitoring peak RSS is more effective at preventing OOM than monitoring the average.
3
Sources
65%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedru_maxrss returns the peak RSS over the process's lifetime; the unit is KB on Linux and bytes on macOS.78% similarUnverifiedOn a server with 1 vCPU / 2 GB of memory, knowing whether peak memory is approaching the OOM line is more useful than knowing average usage; ru_maxrss records the historical high-water mark and can catch short memory bursts.70% similar
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