RHEL7: "Systemd" deamon is consuming huge memory

Solution Verified - Updated -

Issue

  • Memory leak issue in systemd-219-19.el7_2.13.x86_64
  • Server response is slow due to high memory usage. "top" output shows 'Systemd' daemon is consuming high % memory.

top - 08:50:34 up 39 days,  9:18,  1 user,  load average: 2.69, 2.66, 2.44
Tasks: 145 total,   5 running, 140 sleeping,   0 stopped,   0 zombie
%Cpu(s): 22.7 us, 12.7 sy,  0.0 ni, 64.3 id,  0.0 wa,  0.0 hi,  0.3 si,  0.0 st
KiB Mem :  5946836 total,   846492 free,  4233740 used,   866604 buff/cache
KiB Swap: 33554428 total, 33140960 free,   413468 used.  1176544 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND
    1 root      20   0 4124376 3.508g   1556 R  2.0 61.9 360:31.08 systemd

Environment

  • Red Hat Enterprise Linux 7.2
  • systemd-219-19.el7_2.13.x86_64.

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