---> uname -a: Linux prd-centos7-docker-4c-2g-30075.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 6.9G 43.1G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.9G 43.1G 14% /facter-os /dev/vda1 50.0G 6.9G 43.1G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/secure /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/auth.log /dev/vda1 50.0G 6.9G 43.1G 14% /run/cloud-init/result.json /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/xfoundry_device-modbus-go_PR-219 /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/xfoundry_device-modbus-go_PR-219@tmp /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 716 63 0 1058 1016 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:0e:2e:2d brd ff:ff:ff:ff:ff:ff inet 10.30.123.252/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85331sec preferred_lft 85331sec inet6 fe80::f816:3eff:fe0e:2e2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:96:53:28:e2 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:96ff:fe53:28e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 03/17/21 _x86_64_ (4 CPU) 00:53:11 LINUX RESTART (4 CPU) 00:54:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:55:01 28.83 10.29 18.55 0.00 4233.46 2985.25 0.00 00:56:01 1.82 0.00 1.82 0.00 0.00 35.69 0.00 00:57:01 0.27 0.00 0.27 0.00 0.00 2.85 0.00 00:58:01 0.28 0.00 0.28 0.00 0.00 4.31 0.00 00:59:01 0.23 0.00 0.23 0.00 0.00 3.51 0.00 01:00:01 0.32 0.00 0.32 0.00 0.00 4.06 0.00 01:01:01 0.32 0.02 0.30 0.00 0.13 4.13 0.00 01:02:01 0.37 0.08 0.28 0.00 1.60 5.00 0.00 01:03:01 0.25 0.00 0.25 0.00 0.00 2.58 0.00 01:04:01 0.23 0.00 0.23 0.00 0.00 2.35 0.00 01:05:01 0.20 0.00 0.20 0.00 0.00 2.42 0.00 01:06:01 0.25 0.00 0.25 0.00 0.00 3.06 0.00 01:07:02 0.25 0.00 0.25 0.00 0.00 2.85 0.00 01:08:01 0.19 0.00 0.19 0.00 0.00 1.78 0.00 01:09:01 0.32 0.17 0.15 0.00 5.33 2.63 0.00 01:10:01 0.80 0.00 0.80 0.00 0.00 15.21 0.00 01:11:01 103.30 61.85 41.44 0.00 4729.03 14992.31 0.00 Average: 8.14 4.27 3.88 0.00 528.41 1064.58 0.00 00:54:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:55:01 171468 0 567628 30.17 2620 1139828 1104548 37.70 375324 1134964 16 00:56:01 176480 0 562608 29.90 2620 1139836 1060332 36.19 373428 1132660 12 00:57:01 174092 0 564992 30.03 2620 1139840 1060464 36.19 376540 1131808 16 00:58:01 173980 0 565100 30.03 2620 1139844 1060488 36.19 387068 1121692 8 00:59:01 168700 0 570376 30.31 2620 1139848 1060512 36.19 390144 1123992 8 01:00:01 170084 0 568988 30.24 2620 1139852 1060332 36.19 396440 1116668 12 01:01:01 167664 0 571404 30.37 2620 1139856 1062984 36.28 398004 1116668 8 01:02:01 169972 0 568968 30.24 2620 1139984 1060840 36.20 396496 1116732 8 01:03:01 169724 0 569212 30.25 2620 1139988 1060840 36.20 396628 1116732 8 01:04:01 168640 0 570288 30.31 2620 1139996 1061008 36.21 397392 1116736 8 01:05:01 168540 0 570388 30.31 2620 1139996 1061008 36.21 397568 1116732 8 01:06:01 168284 0 570640 30.33 2620 1140000 1061032 36.21 397844 1116732 8 01:07:02 169404 0 569512 30.27 2620 1140008 1060840 36.20 398700 1114684 16 01:08:01 169512 0 569404 30.26 2620 1140008 1060840 36.20 398740 1114684 16 01:09:01 168788 0 570120 30.30 2620 1140016 1060912 36.21 399296 1114504 8 01:10:01 169404 0 569500 30.27 2620 1140020 1060904 36.21 398976 1114500 12 01:11:01 242340 0 632936 33.64 2620 1003648 1070812 36.55 420416 970252 94332 Average: 174534 0 572474 30.43 2620 1131916 1064041 36.31 394059 1111220 5559 00:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:55:01 eth0 82.65 62.63 345.06 27.08 0.00 0.00 0.00 0.00 00:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:55:01 docker0 2.48 2.08 0.43 4.37 0.00 0.00 0.00 0.00 00:56:01 eth0 0.97 0.10 0.07 0.04 0.00 0.00 0.00 0.00 00:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:57:01 eth0 1.80 0.58 0.60 0.40 0.00 0.00 0.00 0.00 00:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 eth0 1.07 0.32 0.32 0.20 0.00 0.00 0.00 0.00 00:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 eth0 0.72 0.38 0.41 0.26 0.00 0.00 0.00 0.00 00:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 eth0 0.62 0.07 0.06 0.01 0.00 0.00 0.00 0.00 01:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 eth0 0.52 0.35 0.27 0.20 0.00 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 eth0 1.10 0.08 0.11 0.01 0.00 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 eth0 1.75 0.65 0.75 0.46 0.00 0.00 0.00 0.00 01:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 eth0 1.08 0.33 0.33 0.20 0.00 0.00 0.00 0.00 01:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 eth0 0.58 0.28 0.28 0.20 0.00 0.00 0.00 0.00 01:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:02 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 eth0 0.35 0.18 0.14 0.07 0.00 0.00 0.00 0.00 01:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:11:01 eth0 201.43 163.37 2170.83 17.88 0.00 0.00 0.00 0.00 01:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.38 13.53 148.42 2.77 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.12 0.03 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 03/17/21 _x86_64_ (4 CPU) 00:53:11 LINUX RESTART (4 CPU) 00:54:01 CPU %user %nice %system %iowait %steal %idle 00:55:01 all 2.32 0.00 1.62 0.45 0.02 95.60 00:55:01 0 2.21 0.00 1.73 0.22 0.03 95.81 00:55:01 1 2.19 0.00 1.47 0.15 0.02 96.16 00:55:01 2 2.14 0.00 1.24 1.32 0.02 95.28 00:55:01 3 2.73 0.00 2.03 0.10 0.00 95.14 00:56:01 all 0.05 0.00 0.05 0.00 0.00 99.90 00:56:01 0 0.03 0.00 0.05 0.00 0.02 99.90 00:56:01 1 0.13 0.00 0.07 0.00 0.00 99.80 00:56:01 2 0.03 0.00 0.03 0.00 0.00 99.93 00:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 00:57:01 all 0.16 0.00 0.03 0.00 0.00 99.80 00:57:01 0 0.10 0.00 0.05 0.00 0.00 99.85 00:57:01 1 0.47 0.00 0.03 0.00 0.00 99.50 00:57:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:57:01 3 0.03 0.00 0.02 0.00 0.00 99.95 00:58:01 all 0.15 0.00 0.04 0.00 0.00 99.80 00:58:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:58:01 1 0.53 0.00 0.03 0.00 0.00 99.43 00:58:01 2 0.03 0.00 0.03 0.00 0.00 99.93 00:58:01 3 0.02 0.00 0.07 0.00 0.00 99.92 00:59:01 all 0.18 0.00 0.03 0.00 0.00 99.78 00:59:01 0 0.05 0.00 0.05 0.00 0.00 99.90 00:59:01 1 0.53 0.00 0.02 0.00 0.00 99.45 00:59:01 2 0.12 0.00 0.02 0.00 0.00 99.87 00:59:01 3 0.03 0.00 0.05 0.00 0.00 99.92 01:00:01 all 0.15 0.00 0.07 0.00 0.01 99.77 01:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:00:01 1 0.52 0.00 0.03 0.00 0.02 99.43 01:00:01 2 0.05 0.00 0.03 0.00 0.00 99.92 01:00:01 3 0.00 0.00 0.18 0.00 0.02 99.80 01:01:01 all 0.18 0.00 0.05 0.00 0.01 99.76 01:01:01 0 0.05 0.00 0.05 0.00 0.02 99.88 01:01:01 1 0.55 0.00 0.03 0.00 0.00 99.42 01:01:01 2 0.07 0.00 0.07 0.00 0.02 99.85 01:01:01 3 0.07 0.00 0.03 0.00 0.00 99.90 01:02:01 all 0.12 0.00 0.05 0.00 0.00 99.83 01:02:01 0 0.07 0.00 0.07 0.02 0.02 99.83 01:02:01 1 0.37 0.00 0.07 0.00 0.00 99.57 01:02:01 2 0.03 0.00 0.02 0.00 0.00 99.95 01:02:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:03:01 all 0.03 0.00 0.03 0.00 0.00 99.95 01:03:01 0 0.05 0.00 0.03 0.00 0.00 99.92 01:03:01 1 0.03 0.00 0.03 0.00 0.00 99.93 01:03:01 2 0.02 0.00 0.02 0.00 0.00 99.97 01:03:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:04:01 all 0.15 0.00 0.03 0.00 0.00 99.82 01:04:01 0 0.07 0.00 0.05 0.00 0.00 99.88 01:04:01 1 0.45 0.00 0.02 0.00 0.00 99.53 01:04:01 2 0.03 0.00 0.03 0.00 0.00 99.93 01:04:01 3 0.05 0.00 0.02 0.00 0.00 99.93 01:05:01 all 0.16 0.00 0.02 0.00 0.00 99.82 01:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:05:01 1 0.52 0.00 0.03 0.00 0.00 99.45 01:05:01 2 0.05 0.00 0.02 0.00 0.00 99.93 01:05:01 3 0.03 0.00 0.02 0.00 0.00 99.95 01:05:01 CPU %user %nice %system %iowait %steal %idle 01:06:01 all 0.15 0.00 0.02 0.00 0.00 99.82 01:06:01 0 0.05 0.00 0.05 0.00 0.00 99.90 01:06:01 1 0.02 0.00 0.02 0.00 0.02 99.95 01:06:01 2 0.50 0.00 0.02 0.00 0.00 99.48 01:06:01 3 0.03 0.00 0.02 0.00 0.00 99.95 01:07:02 all 0.15 0.00 0.03 0.00 0.00 99.81 01:07:02 0 0.05 0.00 0.07 0.00 0.00 99.88 01:07:02 1 0.03 0.00 0.02 0.00 0.00 99.95 01:07:02 2 0.52 0.00 0.02 0.00 0.00 99.47 01:07:02 3 0.02 0.00 0.03 0.00 0.00 99.95 01:08:01 all 0.15 0.00 0.02 0.00 0.00 99.83 01:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:08:01 1 0.02 0.00 0.02 0.00 0.00 99.97 01:08:01 2 0.53 0.00 0.02 0.00 0.00 99.46 01:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:09:01 all 0.17 0.00 0.04 0.00 0.00 99.79 01:09:01 0 0.05 0.00 0.07 0.00 0.00 99.88 01:09:01 1 0.03 0.00 0.05 0.00 0.00 99.92 01:09:01 2 0.57 0.00 0.03 0.00 0.00 99.40 01:09:01 3 0.03 0.00 0.02 0.00 0.00 99.95 01:10:01 all 0.19 0.00 0.02 0.00 0.00 99.78 01:10:01 0 0.18 0.00 0.03 0.00 0.00 99.78 01:10:01 1 0.33 0.00 0.02 0.00 0.00 99.65 01:10:01 2 0.22 0.00 0.03 0.00 0.02 99.73 01:10:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:11:01 all 5.72 0.00 3.18 1.65 0.03 89.41 01:11:01 0 5.39 0.00 3.64 0.49 0.03 90.45 01:11:01 1 5.50 0.00 2.94 0.42 0.03 91.10 01:11:01 2 5.90 0.00 2.77 2.37 0.03 88.92 01:11:01 3 6.11 0.00 3.36 3.31 0.03 87.18 Average: all 0.60 0.00 0.31 0.12 0.00 98.96 Average: 0 0.50 0.00 0.35 0.04 0.01 99.10 Average: 1 0.72 0.00 0.29 0.03 0.00 98.96 Average: 2 0.64 0.00 0.26 0.22 0.00 98.88 Average: 3 0.54 0.00 0.35 0.20 0.00 98.91