Unverified50% confidenceFactExact time
Peak RSS is a metric of the physical memory a process actually occupies, and ru_maxrss records the maximum resident set size reached during the process's lifetime.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
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Related Claims
Partially Verifiedresource.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.80% similarVerifiedru_maxrss returns the peak RSS over the process's lifetime; the unit is KB on Linux and bytes on macOS.71% similarUnverifiedresource.getrusage(RUSAGE_SELF).ru_maxrss returns the maximum peak of physical memory actually occupied during the process lifetime, in KB (Linux).70% similarUnverifiedOn a single-core server with 2 GB of memory, run only one process at a time, call gc.collect() to free memory after each asset is processed, and measure peak RSS rather than average usage with resource.getrusage(RUSAGE_SELF).ru_maxrss.66% 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.65% similar
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