---> uname -a: Linux prd-centos7-docker-4c-2g-4842.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: 2933.438 BogoMIPS: 5866.87 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /facter-os /dev/vda1 50.0G 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/secure /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/auth.log /dev/vda1 50.0G 8.2G 41.8G 16% /run/cloud-init/result.json /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_device-modbus-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 823 151 0 861 949 Swap: 1023 3 1020 ---> 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:02:c9:63 brd ff:ff:ff:ff:ff:ff inet 10.30.123.78/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85321sec preferred_lft 85321sec inet6 fe80::f816:3eff:fe02:c963/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:9b:4f:a2:79 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::42:9bff:fe4f:a279/64 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) 05/12/21 _x86_64_ (4 CPU) 20:21:03 LINUX RESTART (4 CPU) 20:22:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:23:01 53.32 15.66 37.66 0.00 4982.00 3588.11 0.00 20:24:01 1.64 0.00 1.64 0.00 0.00 30.03 0.00 20:25:02 0.23 0.00 0.23 0.00 0.00 3.11 0.00 20:26:01 0.30 0.00 0.30 0.00 0.00 3.68 0.00 20:27:01 0.27 0.00 0.27 0.00 0.00 3.14 0.00 20:28:01 0.23 0.00 0.23 0.00 0.00 2.16 0.00 20:29:01 0.25 0.00 0.25 0.00 0.00 3.86 0.00 20:30:01 0.25 0.00 0.25 0.00 0.00 4.53 0.00 20:31:01 0.35 0.00 0.35 0.00 0.00 5.31 0.00 20:32:01 0.32 0.00 0.32 0.00 0.00 4.33 0.00 20:33:01 0.28 0.00 0.28 0.00 0.00 3.75 0.00 20:34:01 0.33 0.00 0.33 0.00 0.00 5.48 0.00 20:35:01 0.30 0.00 0.30 0.00 0.00 4.33 0.00 20:36:02 0.53 0.18 0.35 0.00 5.86 4.91 0.00 20:37:01 279.75 146.34 133.41 0.00 7189.73 35049.21 0.00 20:38:01 230.27 74.46 155.81 0.00 3777.24 33294.50 0.00 20:39:01 151.39 78.54 72.85 0.00 6208.69 19943.95 0.00 Average: 42.22 18.46 23.76 0.00 1301.35 5393.04 0.00 20:22:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:23:01 138612 0 619780 32.94 2620 1120532 1122796 38.32 446412 1095592 132 20:24:01 144012 0 614368 32.65 2620 1120544 1091284 37.24 447540 1090104 20 20:25:02 142120 0 616256 32.75 2620 1120548 1091308 37.24 452776 1087056 8 20:26:01 144508 0 613864 32.63 2620 1120552 1061316 36.22 455036 1083288 8 20:27:01 144164 0 614204 32.64 2620 1120556 1061388 36.22 455404 1083288 16 20:28:01 144152 0 614212 32.64 2620 1120560 1061316 36.22 455044 1083288 12 20:29:01 135524 0 622836 33.10 2620 1120564 1107952 37.81 462848 1083212 16 20:30:01 134752 0 623604 33.14 2620 1120568 1115396 38.07 463804 1083212 8 20:31:01 136852 0 621496 33.03 2620 1120576 1115048 38.05 461868 1083212 8 20:32:01 138628 0 619716 32.94 2620 1120580 1104648 37.70 460380 1083164 16 20:33:01 140964 0 617376 32.81 2620 1120584 1077992 36.79 458580 1083068 16 20:34:01 140776 0 617560 32.82 2620 1120588 1078016 36.79 458748 1083068 8 20:35:01 142188 0 616144 32.75 2620 1120592 1071752 36.58 457540 1083068 8 20:36:02 141636 0 616688 32.78 2620 1120600 1071752 36.58 457512 1083060 12 20:37:01 78604 0 784892 41.72 2596 1015452 1334760 45.55 570760 962428 37652 20:38:01 154368 0 772104 41.04 2004 953068 1245432 42.50 530412 866980 28 20:39:01 76852 0 843696 44.84 1136 959860 1556896 53.13 686992 767868 64180 Average: 134042 0 649929 34.54 2495 1095078 1139356 38.88 481274 1046174 6009 20:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:23:01 eth0 189.49 136.70 712.35 56.32 0.00 0.00 0.00 0.00 20:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 docker0 2.03 1.81 0.45 5.03 0.00 0.00 0.00 0.00 20:24:01 eth0 2.25 0.38 0.42 0.25 0.00 0.00 0.00 0.00 20:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:25:02 eth0 0.53 0.42 0.27 0.20 0.00 0.00 0.00 0.00 20:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:26:01 eth0 0.83 0.62 0.64 0.04 0.00 0.00 0.00 0.00 20:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:27:01 eth0 0.22 0.07 0.08 0.04 0.00 0.00 0.00 0.00 20:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:28:01 eth0 4.49 0.12 0.38 0.04 0.00 0.00 0.00 0.00 20:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 eth0 10.67 5.28 1.59 21.98 0.00 0.00 0.00 0.00 20:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 eth0 7.92 2.60 1.99 8.07 0.00 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 eth0 1.55 0.57 0.67 0.50 0.00 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 1.12 0.67 0.62 0.43 0.00 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 1.97 0.37 0.45 0.20 0.00 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 0.50 0.33 0.27 0.23 0.00 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:02 eth0 0.20 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 vethf31f517 59.92 69.40 5.64 389.34 0.00 0.00 0.00 0.00 20:37:01 eth0 552.98 457.64 4538.98 41.98 0.00 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 59.92 69.28 4.82 389.33 0.00 0.00 0.00 0.00 20:38:01 eth0 394.88 321.78 3212.94 77.12 0.00 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 vethff1ddea 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 2.36 2.08 0.43 1.02 0.00 0.00 0.00 0.00 20:39:01 eth0 302.19 239.70 2476.41 77.07 0.00 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 34.31 44.49 2.03 262.85 0.00 0.00 0.00 0.00 Average: eth0 86.33 68.45 641.76 16.75 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 5.76 6.88 0.45 38.48 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) 05/12/21 _x86_64_ (4 CPU) 20:21:03 LINUX RESTART (4 CPU) 20:22:01 CPU %user %nice %system %iowait %steal %idle 20:23:01 all 9.81 0.00 3.85 1.41 14.34 70.59 20:23:01 0 9.62 0.00 4.03 0.59 15.10 70.66 20:23:01 1 10.72 0.00 3.73 0.81 14.46 70.27 20:23:01 2 9.25 0.00 4.09 1.85 13.60 71.21 20:23:01 3 9.65 0.00 3.56 2.38 14.19 70.22 20:24:01 all 0.08 0.00 0.12 0.00 1.59 98.20 20:24:01 0 0.02 0.00 0.13 0.00 0.81 99.04 20:24:01 1 0.21 0.00 0.10 0.00 2.49 97.20 20:24:01 2 0.05 0.00 0.11 0.00 1.72 98.12 20:24:01 3 0.03 0.00 0.15 0.00 1.35 98.47 20:25:02 all 0.08 0.00 0.10 0.00 1.11 98.71 20:25:02 0 0.02 0.00 0.08 0.00 0.86 99.04 20:25:02 1 0.21 0.00 0.15 0.00 1.14 98.50 20:25:02 2 0.05 0.00 0.12 0.00 0.99 98.84 20:25:02 3 0.03 0.00 0.07 0.00 1.43 98.47 20:26:01 all 0.12 0.00 0.05 0.00 0.30 99.53 20:26:01 0 0.07 0.00 0.03 0.00 0.22 99.68 20:26:01 1 0.30 0.00 0.05 0.00 0.25 99.39 20:26:01 2 0.03 0.00 0.03 0.00 0.24 99.70 20:26:01 3 0.07 0.00 0.08 0.00 0.49 99.36 20:27:01 all 0.09 0.00 0.11 0.00 1.08 98.73 20:27:01 0 0.02 0.00 0.12 0.00 1.12 98.74 20:27:01 1 0.25 0.00 0.08 0.00 1.26 98.41 20:27:01 2 0.05 0.00 0.15 0.00 0.75 99.05 20:27:01 3 0.05 0.00 0.08 0.00 1.17 98.70 20:28:01 all 0.10 0.00 0.03 0.00 0.54 99.34 20:28:01 0 0.05 0.00 0.03 0.00 0.61 99.30 20:28:01 1 0.30 0.00 0.05 0.00 0.78 98.87 20:28:01 2 0.03 0.00 0.02 0.02 0.30 99.63 20:28:01 3 0.00 0.00 0.02 0.00 0.45 99.54 20:29:01 all 0.32 0.00 0.10 0.00 0.88 98.71 20:29:01 0 0.22 0.00 0.08 0.00 0.78 98.92 20:29:01 1 0.53 0.00 0.07 0.00 0.81 98.59 20:29:01 2 0.33 0.00 0.12 0.00 0.58 98.97 20:29:01 3 0.20 0.00 0.12 0.00 1.34 98.35 20:30:01 all 0.23 0.00 0.05 0.00 0.67 99.05 20:30:01 0 0.20 0.00 0.03 0.00 0.63 99.14 20:30:01 1 0.48 0.00 0.07 0.00 0.22 99.23 20:30:01 2 0.08 0.00 0.02 0.00 0.93 98.97 20:30:01 3 0.17 0.00 0.07 0.00 0.90 98.87 20:31:01 all 0.08 0.00 0.05 0.00 0.44 99.43 20:31:01 0 0.02 0.00 0.03 0.00 0.17 99.78 20:31:01 1 0.02 0.00 0.03 0.00 0.45 99.50 20:31:01 2 0.03 0.00 0.05 0.00 0.56 99.35 20:31:01 3 0.27 0.00 0.07 0.00 0.58 99.09 20:32:01 all 0.10 0.00 0.04 0.00 0.56 99.31 20:32:01 0 0.03 0.00 0.08 0.00 0.86 99.02 20:32:01 1 0.05 0.00 0.02 0.00 0.78 99.16 20:32:01 2 0.03 0.00 0.05 0.00 0.22 99.70 20:32:01 3 0.27 0.00 0.02 0.00 0.37 99.35 20:33:01 all 0.08 0.00 0.03 0.00 0.21 99.68 20:33:01 0 0.02 0.00 0.02 0.00 0.43 99.53 20:33:01 1 0.03 0.00 0.03 0.00 0.23 99.70 20:33:01 2 0.02 0.00 0.02 0.00 0.03 99.93 20:33:01 3 0.25 0.00 0.05 0.00 0.15 99.55 20:33:01 CPU %user %nice %system %iowait %steal %idle 20:34:01 all 0.12 0.00 0.03 0.00 0.17 99.67 20:34:01 0 0.00 0.00 0.02 0.00 0.10 99.88 20:34:01 1 0.03 0.00 0.05 0.00 0.40 99.52 20:34:01 2 0.05 0.00 0.03 0.00 0.17 99.75 20:34:01 3 0.42 0.00 0.03 0.00 0.03 99.52 20:35:01 all 0.10 0.00 0.02 0.00 0.55 99.33 20:35:01 0 0.02 0.00 0.03 0.00 0.13 99.82 20:35:01 1 0.03 0.00 0.02 0.00 0.84 99.11 20:35:01 2 0.00 0.00 0.02 0.00 0.94 99.04 20:35:01 3 0.35 0.00 0.02 0.00 0.27 99.37 20:36:02 all 0.12 0.00 0.05 0.00 0.18 99.65 20:36:02 0 0.02 0.00 0.07 0.00 0.05 99.87 20:36:02 1 0.07 0.00 0.07 0.00 0.58 99.29 20:36:02 2 0.02 0.00 0.03 0.00 0.05 99.90 20:36:02 3 0.37 0.00 0.03 0.00 0.05 99.55 20:37:01 all 7.23 0.00 5.83 1.48 17.95 67.51 20:37:01 0 6.94 0.00 6.32 0.98 18.49 67.27 20:37:01 1 6.88 0.00 5.18 1.18 17.99 68.76 20:37:01 2 7.67 0.00 5.67 1.93 16.93 67.80 20:37:01 3 7.42 0.00 6.17 1.84 18.38 66.18 20:38:01 all 7.76 0.00 7.66 2.12 15.05 67.42 20:38:01 0 6.66 0.00 7.13 2.70 15.66 67.85 20:38:01 1 7.57 0.00 7.42 1.74 14.56 68.72 20:38:01 2 7.19 0.00 7.35 2.00 14.52 68.94 20:38:01 3 9.69 0.00 8.75 2.02 15.48 64.06 20:39:01 all 8.67 0.00 6.39 2.53 9.07 73.34 20:39:01 0 6.26 0.00 6.28 3.41 8.94 75.11 20:39:01 1 5.24 0.00 6.60 1.66 9.06 77.43 20:39:01 2 13.55 0.00 6.03 1.43 9.17 69.82 20:39:01 3 9.69 0.00 6.65 3.63 9.12 70.91 Average: all 2.06 0.00 1.43 0.44 3.80 92.27 Average: 0 1.77 0.00 1.44 0.45 3.82 92.52 Average: 1 1.94 0.00 1.39 0.32 3.91 92.44 Average: 2 2.25 0.00 1.40 0.42 3.62 92.30 Average: 3 2.27 0.00 1.50 0.57 3.84 91.82