/tmp/exec-process are consuming high CPU resources

Solution Unverified - Updated -

Issue

  • /tmp/exec-process are consuming high CPU resources
  • top shows
                                                                                                                                                                                                                                                                                                               544140 root      20   0   11764  10776   3032 R  98.2   0.0  18:57.71 sh                                                                                                                                                                                                                                                                                                                      573087 root      20   0   11424  10268   2844 R  98.2   0.0  16:53.20 sh                                                                                                                                                                                                                                                                                                                      575302 nfsnobo+  20   0   18852   9724   2620 R  98.2   0.0  16:42.96 sh                                                                                                                                                                                                                                                                                                                      679014 root      20   0   17188   8208   2616 R  98.2   0.0   6:55.29 sh                                                                                                                                                                                                                                                                                                                      682445 root      20   0   17076   8100   2616 R  98.2   0.0   6:38.24 sh                                                                                                                                                                                                                                                                                                                      688132 65532     20   0   16960   8032   2664 R  98.2   0.0   6:05.19 sh                                                                                                                                                                                                                                                                                                                      688140 nfsnobo+  20   0   17024   8052   2620 R  98.2   0.0   6:05.01 sh                                                                                                                                                                                                                                                                                                                      575307 root      20   0   11420  10404   2996 R  97.3   0.0  16:42.45 sh                                                                                                                                                                                                                                                                                                                      575309 root      20   0   11460  10396   2952 R  97.3   0.0  16:43.75 sh                                                                                                                                                                                                                                                                                                                      575295 nfsnobo+  20   0   18872   9776   2648 R  96.4   0.0  16:42.60 sh                                                                                                                                                                                                                                                                                                                      
  • Checking one of the sh, it is called by crio
# ps -ef |grep -E '(497185)' |sort -k 15
root      497185       1  2 17:44 ?        00:00:30 /usr/bin/crio
root      722543  338932  0 18:08 pts/0    00:00:00 grep --color=auto -E (497185)
root      514937  497185  0 17:47 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3740701247 01b4858857a447a9865985a8d10a6673a6cbe99d76b2dcb5f77a452674f29da0
root      544060  497185  0 17:51 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-2659739936 3186e6830bff453d9f6632a3af261e97f0c20b16a9150244d09844cedb3a0a7b
root      575236  497185  0 17:53 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3829001570 3186e6830bff453d9f6632a3af261e97f0c20b16a9150244d09844cedb3a0a7b
root      645702  497185  0 17:59 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3938143090 3b6411243e5fe78d11e858e00fb179804e79a50021fe581f520a905605c2a30b
root      544082  497185  0 17:51 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3298100535 4bafd36156d03af8501a7b5a5430b7d1b6befb56626a38c0e3e98f87fab786ce
root      575255  497185  0 17:53 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3126233902 4bafd36156d03af8501a7b5a5430b7d1b6befb56626a38c0e3e98f87fab786ce
root      544061  497185  0 17:51 ?        00:00:00 /usr/bin/runc --root /run/runc --systemd-cgroup exec --process /tmp/exec-process-3685020071 59c40e68e31a16205e9783fa0070c4b5b4c1e2da1f4bb6e56a2001ae50363fc8

Environment

  • Red Hat OpenShift Container Platform 4.x

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