---> uname -a: Linux prd-centos7-docker-4c-2g-14112.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 8.6G 41.4G 17% / 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 8.6G 41.4G 17% /facter-os /dev/vda1 50.0G 8.6G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/secure /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.6G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 832 140 0 864 939 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:4a:1f:8d brd ff:ff:ff:ff:ff:ff inet 10.30.122.128/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85789sec preferred_lft 85789sec inet6 fe80::f816:3eff:fe4a:1f8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:01:80:f6:57 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::42:1ff:fe80:f657/64 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) 12/02/20 _x86_64_ (4 CPU) 03:34:33 LINUX RESTART (4 CPU) 03:35:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:36:01 66.06 27.42 38.64 0.00 6353.96 3623.46 0.00 03:37:01 3.05 0.05 3.00 0.00 1.60 97.05 0.00 03:38:01 0.48 0.00 0.48 0.00 0.00 9.06 0.00 03:39:01 0.32 0.00 0.32 0.00 0.00 4.91 0.00 03:40:01 0.23 0.00 0.23 0.00 0.00 3.70 0.00 03:41:01 0.40 0.00 0.40 0.00 0.00 6.98 0.00 03:42:01 0.40 0.08 0.32 0.00 7.33 4.31 0.00 03:43:01 352.25 201.05 151.20 0.00 9773.84 39273.78 0.00 03:44:01 174.57 58.83 115.74 0.00 3733.07 29329.57 0.00 Average: 66.45 31.96 34.49 0.00 2201.12 8051.61 0.00 03:35:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:36:01 167472 0 591480 31.44 2620 1119972 1105060 37.71 414636 1100116 136 03:37:01 169940 0 589056 31.31 2620 1119928 1104780 37.70 416948 1096016 24 03:38:01 168376 0 590616 31.39 2620 1119932 1104876 37.71 418640 1095792 8 03:39:01 170080 0 588912 31.30 2620 1119932 1090576 37.22 428344 1084328 12 03:40:01 169328 0 589656 31.34 2620 1119940 1088556 37.15 421996 1091892 20 03:41:01 167704 0 591276 31.43 2620 1119944 1088496 37.15 433836 1081764 12 03:42:01 139632 0 619080 32.90 2620 1120212 1281704 43.74 460572 1081488 64 03:43:01 64544 0 715336 38.02 2596 1099068 1401544 47.83 637896 928864 102968 03:44:01 144824 0 782500 41.59 1504 952716 1247164 42.56 666596 725464 10420 Average: 151322 0 628657 33.41 2493 1099072 1168084 39.86 477718 1031747 12629 03:35:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:36:01 eth0 490.62 295.85 1049.63 94.01 0.00 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 2.01 1.56 0.40 3.95 0.00 0.00 0.00 0.00 03:37:01 eth0 2.95 0.72 0.95 0.55 0.00 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 eth0 2.30 0.85 0.99 0.62 0.00 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 eth0 1.95 0.67 0.61 0.37 0.00 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 1.10 0.43 0.33 0.24 0.00 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 eth0 0.72 0.38 0.41 0.26 0.00 0.00 0.00 0.00 03:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 eth0 8.01 5.71 7.42 2.57 0.00 0.00 0.00 0.00 03:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 eth0 911.70 804.11 7550.82 125.03 0.00 0.00 0.00 0.00 03:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 docker0 30.12 31.88 2.83 157.95 0.00 0.00 0.00 0.00 03:44:01 eth0 92.28 55.07 217.79 15.43 0.00 0.00 0.00 0.00 03:44:01 veth52b5f8b 36.25 57.21 2.46 186.99 0.00 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 36.25 57.08 1.96 186.98 0.00 0.00 0.00 0.00 Average: eth0 167.44 129.07 981.42 26.45 0.00 0.00 0.00 0.00 Average: veth52b5f8b 4.04 6.37 0.27 20.82 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 7.61 10.08 0.58 38.85 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) 12/02/20 _x86_64_ (4 CPU) 03:34:33 LINUX RESTART (4 CPU) 03:35:02 CPU %user %nice %system %iowait %steal %idle 03:36:01 all 12.90 0.00 4.37 1.27 0.05 81.41 03:36:01 0 13.60 0.00 4.99 0.88 0.03 80.50 03:36:01 1 12.32 0.00 4.68 3.00 0.07 79.93 03:36:01 2 12.91 0.00 3.52 0.69 0.03 82.85 03:36:01 3 12.78 0.00 4.29 0.52 0.05 82.37 03:37:01 all 0.16 0.00 0.07 0.00 0.00 99.77 03:37:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:37:01 1 0.08 0.00 0.08 0.00 0.00 99.83 03:37:01 2 0.08 0.00 0.07 0.00 0.00 99.85 03:37:01 3 0.45 0.00 0.07 0.00 0.00 99.48 03:38:01 all 0.20 0.00 0.04 0.00 0.00 99.76 03:38:01 0 0.10 0.00 0.03 0.00 0.00 99.87 03:38:01 1 0.12 0.00 0.03 0.00 0.00 99.85 03:38:01 2 0.05 0.00 0.07 0.00 0.00 99.88 03:38:01 3 0.53 0.00 0.03 0.00 0.00 99.43 03:39:01 all 0.17 0.00 0.04 0.00 0.00 99.79 03:39:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:39:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:39:01 2 0.07 0.00 0.03 0.00 0.00 99.90 03:39:01 3 0.52 0.00 0.03 0.00 0.02 99.43 03:40:01 all 0.17 0.00 0.04 0.00 0.00 99.78 03:40:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:40:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:40:01 2 0.07 0.00 0.03 0.00 0.02 99.88 03:40:01 3 0.53 0.00 0.05 0.00 0.00 99.42 03:41:01 all 0.17 0.00 0.07 0.00 0.00 99.77 03:41:01 0 0.05 0.00 0.15 0.00 0.00 99.80 03:41:01 1 0.05 0.00 0.00 0.00 0.00 99.95 03:41:01 2 0.07 0.00 0.10 0.00 0.00 99.83 03:41:01 3 0.50 0.00 0.02 0.00 0.00 99.48 03:42:01 all 0.40 0.00 0.38 0.00 0.00 99.21 03:42:01 0 0.43 0.00 0.37 0.00 0.00 99.20 03:42:01 1 0.30 0.00 0.25 0.00 0.00 99.45 03:42:01 2 0.35 0.00 0.35 0.02 0.00 99.28 03:42:01 3 0.52 0.00 0.57 0.00 0.00 98.91 03:43:01 all 13.68 0.00 10.56 3.88 0.06 71.83 03:43:01 0 14.33 0.00 12.21 4.09 0.07 69.31 03:43:01 1 14.09 0.00 10.41 4.12 0.05 71.32 03:43:01 2 13.41 0.00 9.48 4.36 0.03 72.71 03:43:01 3 12.87 0.00 10.15 2.96 0.07 73.94 03:44:01 all 8.64 0.00 6.51 2.55 0.03 82.27 03:44:01 0 12.13 0.00 7.33 2.10 0.03 78.40 03:44:01 1 7.62 0.00 5.77 4.11 0.03 82.46 03:44:01 2 7.14 0.00 5.67 2.25 0.05 84.89 03:44:01 3 7.66 0.00 7.26 1.73 0.02 83.34 Average: all 3.98 0.00 2.41 0.84 0.02 92.75 Average: 0 4.44 0.00 2.74 0.77 0.01 92.04 Average: 1 3.79 0.00 2.33 1.23 0.02 92.64 Average: 2 3.73 0.00 2.11 0.80 0.01 93.34 Average: 3 3.97 0.00 2.45 0.57 0.02 92.99