Posts tagged “memory”
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Linux memory overcommit: overcommit_memory 0, 1, 2 and reading CommitLimit
What the three vm.overcommit_memory modes do, how to read CommitLimit and Committed_AS in /proc/meminfo, and what to check before switching to mode 2, based on the kernel documentation.
Linux minor vs major page faults: what ru_minflt and ru_majflt count
On Linux, getrusage's ru_minflt and ru_majflt split page faults by whether I/O was needed. What the two counters measure, and why a major fault count is not a count of disk reads (man-pages 6.19).
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