---> uname -a: Linux prd-centos7-docker-4c-2g-291.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: 2933.436 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-243@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-243 ---> free -m: total used free shared buff/cache available Mem: 1837 731 107 0 998 1000 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:4a:56:75 brd ff:ff:ff:ff:ff:ff inet 10.30.122.116/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85843sec preferred_lft 85843sec inet6 fe80::f816:3eff:fe4a:5675/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:68:a6:4b:70 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::42:68ff:fea6:4b70/64 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) 05/17/21 _x86_64_ (4 CPU) 05:43:21 LINUX RESTART (4 CPU) 05:44:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:45:01 91.75 42.29 49.46 0.00 6402.97 25817.00 0.00 05:46:01 22.86 5.32 17.54 0.00 1610.52 2330.68 0.00 05:47:01 1.61 0.00 1.61 0.00 0.00 32.58 0.00 05:48:01 0.27 0.00 0.27 0.00 0.00 3.52 0.00 05:49:01 0.22 0.00 0.22 0.00 0.00 2.33 0.00 05:50:01 0.35 0.00 0.35 0.00 0.00 5.09 0.00 05:51:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 05:52:01 0.15 0.00 0.15 0.00 0.00 2.02 0.00 Average: 14.56 5.89 8.67 0.00 993.47 3489.14 0.00 05:44:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:45:01 76132 0 598536 31.81 2620 1204256 1301308 44.41 464064 1146692 16792 05:46:01 155572 0 611556 32.50 2620 1111796 1123980 38.36 458800 1068588 20 05:47:01 160784 0 606340 32.23 2620 1111800 1079764 36.85 466880 1056016 8 05:48:01 158568 0 608552 32.34 2620 1111804 1079944 36.86 469524 1055616 8 05:49:01 158748 0 608312 32.33 2620 1111864 1079764 36.85 471288 1053940 24 05:50:01 158112 0 608992 32.37 2620 1111820 1079920 36.86 469988 1056076 8 05:51:01 157296 0 609808 32.41 2620 1111820 1080016 36.86 470952 1056076 8 05:52:01 156844 0 610252 32.43 2620 1111828 1080052 36.86 471488 1056080 8 Average: 147757 0 607794 32.30 2620 1123374 1113094 37.99 467873 1068636 2110 05:44:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:45:01 eth0 180.36 132.39 723.40 59.92 0.00 0.00 0.00 0.00 05:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 eth0 61.70 52.56 339.57 14.54 0.00 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 2.36 1.96 0.48 5.10 0.00 0.00 0.00 0.00 05:47:01 eth0 1.06 0.07 0.09 0.01 0.00 0.00 0.00 0.00 05:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 eth0 1.17 0.76 0.57 0.41 0.00 0.00 0.00 0.00 05:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 eth0 0.35 0.28 0.17 0.08 0.00 0.00 0.00 0.00 05:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 eth0 1.72 0.50 0.38 0.18 0.00 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 eth0 0.42 0.30 0.26 0.20 0.00 0.00 0.00 0.00 05:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.63 23.21 132.21 9.34 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 0.30 0.25 0.06 0.64 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) 05/17/21 _x86_64_ (4 CPU) 05:43:21 LINUX RESTART (4 CPU) 05:44:02 CPU %user %nice %system %iowait %steal %idle 05:45:01 all 13.12 0.00 6.51 2.97 24.15 53.26 05:45:01 0 12.58 0.00 8.48 3.62 24.94 50.38 05:45:01 1 12.23 0.00 5.64 2.40 23.16 56.56 05:45:01 2 10.75 0.00 5.84 2.70 24.38 56.32 05:45:01 3 17.07 0.00 6.07 3.14 24.08 49.64 05:46:01 all 2.10 0.00 2.69 0.58 6.62 88.01 05:46:01 0 2.13 0.00 2.85 1.63 7.21 86.19 05:46:01 1 1.76 0.00 2.61 0.05 6.28 89.31 05:46:01 2 2.37 0.00 3.32 0.44 6.05 87.83 05:46:01 3 2.16 0.00 1.98 0.23 6.92 88.72 05:47:01 all 0.13 0.00 0.08 0.00 0.22 99.56 05:47:01 0 0.05 0.00 0.05 0.00 0.18 99.72 05:47:01 1 0.13 0.00 0.12 0.00 0.08 99.67 05:47:01 2 0.27 0.00 0.07 0.00 0.30 99.37 05:47:01 3 0.08 0.00 0.10 0.00 0.32 99.50 05:48:01 all 0.14 0.00 0.08 0.00 0.19 99.59 05:48:01 0 0.07 0.00 0.05 0.00 0.19 99.70 05:48:01 1 0.03 0.00 0.05 0.00 0.05 99.86 05:48:01 2 0.37 0.00 0.05 0.00 0.30 99.27 05:48:01 3 0.10 0.00 0.15 0.00 0.20 99.54 05:49:01 all 0.10 0.00 0.06 0.00 0.09 99.75 05:49:01 0 0.02 0.00 0.02 0.00 0.12 99.85 05:49:01 1 0.02 0.00 0.12 0.00 0.07 99.80 05:49:01 2 0.30 0.00 0.03 0.00 0.03 99.63 05:49:01 3 0.08 0.00 0.07 0.00 0.13 99.72 05:50:01 all 0.11 0.00 0.21 0.00 0.75 98.94 05:50:01 0 0.02 0.00 0.13 0.00 0.42 99.44 05:50:01 1 0.03 0.00 0.15 0.00 1.02 98.79 05:50:01 2 0.33 0.00 0.15 0.00 0.94 98.58 05:50:01 3 0.05 0.00 0.40 0.00 0.61 98.94 05:51:01 all 0.09 0.00 0.03 0.00 0.59 99.29 05:51:01 0 0.03 0.00 0.03 0.00 0.98 98.96 05:51:01 1 0.05 0.00 0.05 0.00 0.80 99.11 05:51:01 2 0.27 0.00 0.03 0.00 0.23 99.47 05:51:01 3 0.02 0.00 0.02 0.00 0.35 99.62 05:52:01 all 0.10 0.00 0.04 0.00 0.52 99.35 05:52:01 0 0.05 0.00 0.07 0.00 0.66 99.22 05:52:01 1 0.05 0.00 0.02 0.00 0.50 99.44 05:52:01 2 0.23 0.00 0.03 0.00 0.42 99.32 05:52:01 3 0.05 0.00 0.03 0.00 0.50 99.42 Average: all 2.12 0.00 1.28 0.47 4.39 91.74 Average: 0 2.02 0.00 1.56 0.70 4.63 91.09 Average: 1 1.91 0.00 1.15 0.33 4.23 92.38 Average: 2 1.99 0.00 1.27 0.43 4.38 91.94 Average: 3 2.56 0.00 1.14 0.44 4.31 91.54