---> uname -a: Linux prd-centos7-docker-4c-2g-17991.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 8.5G 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 8.5G 41.4G 17% /facter-os /dev/vda1 50.0G 8.5G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 805 157 0 874 968 Swap: 1023 2 1021 ---> 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:d7:73:8a brd ff:ff:ff:ff:ff:ff inet 10.30.122.72/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85871sec preferred_lft 85871sec inet6 fe80::f816:3eff:fed7:738a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:d3:a7:69:f2 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:d3ff:fea7:69f2/64 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) 01/02/21 _x86_64_ (4 CPU) 01:58:30 LINUX RESTART (4 CPU) 01:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 57.72 18.86 38.86 0.00 5323.70 3609.05 0.00 02:01:01 1.80 0.02 1.78 0.00 0.13 35.01 0.00 02:02:01 0.42 0.08 0.33 0.00 1.60 5.01 0.00 02:03:01 0.28 0.00 0.28 0.00 0.00 3.02 0.00 02:04:01 0.18 0.00 0.18 0.00 0.00 2.33 0.00 02:05:01 0.27 0.00 0.27 0.00 0.00 3.65 0.00 02:06:01 290.58 178.28 112.30 0.00 8498.22 35661.89 0.00 02:07:02 204.88 71.01 133.87 0.00 4192.00 32498.36 0.00 Average: 69.65 33.57 36.08 0.00 2254.13 8999.70 0.00 01:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 175260 0 596000 31.68 2620 1107664 1112480 37.97 427340 1080556 8 02:01:01 181552 0 589712 31.34 2620 1107660 1075512 36.71 428876 1073320 8 02:02:01 179168 0 591972 31.46 2620 1107784 1073684 36.64 428548 1076272 8 02:03:01 178956 0 592180 31.47 2620 1107788 1073648 36.64 443732 1060944 8 02:04:01 179616 0 591516 31.44 2620 1107792 1073480 36.64 442576 1062364 8 02:05:01 178348 0 592776 31.50 2620 1107800 1073612 36.64 461664 1044756 8 02:06:01 186336 0 704752 37.46 2596 987860 1510032 51.53 551964 885836 36 02:07:02 234404 0 751392 39.93 1492 894256 1109072 37.85 570952 735468 40 Average: 186705 0 626288 33.29 2476 1066076 1137690 38.83 469456 1002440 16 01:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 eth0 519.36 345.42 1032.65 94.42 0.00 0.00 0.00 0.00 02:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 docker0 2.08 1.66 0.43 4.16 0.00 0.00 0.00 0.00 02:01:01 eth0 0.78 0.10 0.06 0.02 0.00 0.00 0.00 0.00 02:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 eth0 1.03 0.45 0.32 0.21 0.00 0.00 0.00 0.00 02:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 eth0 0.50 0.28 0.27 0.20 0.00 0.00 0.00 0.00 02:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 eth0 0.55 0.08 0.04 0.01 0.00 0.00 0.00 0.00 02:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 eth0 0.93 0.62 0.43 0.25 0.00 0.00 0.00 0.00 02:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 veth5317bc2 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 eth0 473.16 415.43 4253.90 72.90 0.00 0.00 0.00 0.00 02:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 docker0 33.68 34.79 3.04 158.43 0.00 0.00 0.00 0.00 02:07:02 eth0 464.94 394.55 3436.55 99.67 0.00 0.00 0.00 0.00 02:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:07:02 docker0 26.99 32.17 1.65 200.57 0.00 0.00 0.00 0.00 Average: eth0 182.95 144.87 1092.81 33.52 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 7.86 8.60 0.64 45.54 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) 01/02/21 _x86_64_ (4 CPU) 01:58:30 LINUX RESTART (4 CPU) 01:59:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 10.79 0.00 3.37 1.27 0.04 84.53 02:00:01 0 8.78 0.00 4.25 0.34 0.03 86.60 02:00:01 1 8.36 0.00 3.92 3.72 0.05 83.95 02:00:01 2 14.70 0.00 2.26 0.32 0.03 82.69 02:00:01 3 11.32 0.00 3.04 0.69 0.05 84.90 02:01:01 all 0.12 0.00 0.08 0.00 0.00 99.81 02:01:01 0 0.03 0.00 0.07 0.00 0.00 99.90 02:01:01 1 0.05 0.00 0.07 0.00 0.00 99.88 02:01:01 2 0.30 0.00 0.07 0.00 0.00 99.63 02:01:01 3 0.08 0.00 0.10 0.00 0.00 99.82 02:02:01 all 0.13 0.00 0.07 0.00 0.00 99.79 02:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:02:01 1 0.07 0.00 0.10 0.00 0.00 99.83 02:02:01 2 0.38 0.00 0.10 0.00 0.02 99.50 02:02:01 3 0.05 0.00 0.05 0.00 0.00 99.90 02:03:01 all 0.14 0.00 0.04 0.00 0.00 99.82 02:03:01 0 0.02 0.00 0.05 0.00 0.00 99.93 02:03:01 1 0.07 0.00 0.03 0.00 0.00 99.90 02:03:01 2 0.45 0.00 0.05 0.00 0.00 99.50 02:03:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:04:01 all 0.16 0.00 0.04 0.00 0.00 99.80 02:04:01 0 0.03 0.00 0.07 0.00 0.00 99.90 02:04:01 1 0.20 0.00 0.05 0.00 0.00 99.75 02:04:01 2 0.40 0.00 0.05 0.00 0.00 99.55 02:04:01 3 0.02 0.00 0.00 0.00 0.00 99.98 02:05:01 all 0.16 0.00 0.07 0.00 0.00 99.77 02:05:01 0 0.03 0.00 0.18 0.00 0.00 99.78 02:05:01 1 0.43 0.00 0.03 0.00 0.00 99.53 02:05:01 2 0.13 0.00 0.03 0.00 0.00 99.83 02:05:01 3 0.03 0.00 0.05 0.00 0.00 99.92 02:06:01 all 9.97 0.00 7.03 2.36 0.06 80.59 02:06:01 0 10.00 0.00 7.21 1.27 0.05 81.47 02:06:01 1 9.83 0.00 7.11 3.49 0.05 79.52 02:06:01 2 10.68 0.00 7.18 2.28 0.05 79.81 02:06:01 3 9.35 0.00 6.61 2.41 0.07 81.56 02:07:02 all 11.64 0.00 8.81 2.72 0.06 76.77 02:07:02 0 10.53 0.00 10.18 2.84 0.07 76.38 02:07:02 1 10.21 0.00 8.46 2.17 0.08 79.08 02:07:02 2 10.35 0.00 8.32 1.81 0.05 79.47 02:07:02 3 15.50 0.00 8.29 4.08 0.03 72.09 Average: all 4.10 0.00 2.41 0.78 0.02 92.69 Average: 0 3.64 0.00 2.72 0.55 0.02 93.08 Average: 1 3.62 0.00 2.45 1.16 0.02 92.75 Average: 2 4.64 0.00 2.24 0.54 0.02 92.56 Average: 3 4.49 0.00 2.24 0.88 0.02 92.37