---> uname -a: Linux prd-centos7-docker-4c-2g-19449.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-213@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-213 ---> free -m: total used free shared buff/cache available Mem: 1837 707 101 0 1029 1025 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:a4:56:48 brd ff:ff:ff:ff:ff:ff inet 10.30.123.145/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85891sec preferred_lft 85891sec inet6 fe80::f816:3eff:fea4:5648/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:c6:89:32:0e 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:c6ff:fe89:320e/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) 01/11/21 _x86_64_ (4 CPU) 07:18:28 LINUX RESTART (4 CPU) 07:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 58.75 19.14 39.61 0.00 5403.82 3700.29 0.00 07:21:01 1.71 0.00 1.71 0.00 0.00 29.12 0.00 07:22:01 0.18 0.00 0.18 0.00 0.00 1.62 0.00 07:23:01 0.33 0.00 0.33 0.00 0.00 5.10 0.00 07:24:01 0.20 0.00 0.20 0.00 0.00 2.88 0.00 07:25:01 0.42 0.00 0.42 0.00 0.00 6.01 0.00 07:26:01 0.25 0.00 0.25 0.00 0.00 3.05 0.00 07:27:01 148.28 81.88 66.40 0.00 6883.67 18852.74 0.00 Average: 26.21 12.62 13.59 0.00 1528.93 2824.70 0.00 07:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 154648 0 607696 32.30 2620 1116580 1114488 38.04 416080 1112392 132 07:21:01 158672 0 603676 32.08 2620 1116576 1105592 37.73 420284 1104548 12 07:22:01 158164 0 604180 32.11 2620 1116580 1088236 37.14 422284 1103180 20 07:23:01 156412 0 605928 32.20 2620 1116584 1088260 37.14 434352 1093348 20 07:24:01 156852 0 605484 32.18 2620 1116588 1088248 37.14 425164 1102424 12 07:25:01 156364 0 605968 32.21 2620 1116592 1088284 37.14 425544 1102424 8 07:26:01 156096 0 606232 32.22 2620 1116596 1088308 37.14 425628 1102528 16 07:27:01 178024 0 667996 35.50 2620 1032904 1190700 40.64 445272 1008704 16 Average: 159404 0 613395 32.60 2620 1106125 1106514 37.76 426826 1091194 30 07:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 eth0 538.71 325.81 1050.57 95.78 0.00 0.00 0.00 0.00 07:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 docker0 3.16 2.18 0.50 4.32 0.00 0.00 0.00 0.00 07:21:01 eth0 0.65 0.47 0.46 0.04 0.00 0.00 0.00 0.00 07:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 eth0 1.32 0.32 0.34 0.20 0.00 0.00 0.00 0.00 07:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 eth0 1.38 0.33 0.35 0.20 0.00 0.00 0.00 0.00 07:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 eth0 0.60 0.30 0.27 0.17 0.00 0.00 0.00 0.00 07:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 eth0 1.97 0.48 0.52 0.30 0.00 0.00 0.00 0.00 07:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 eth0 1.52 0.33 0.37 0.20 0.00 0.00 0.00 0.00 07:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:27:01 eth0 221.95 177.78 2172.33 18.83 0.00 0.00 0.00 0.00 07:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 95.17 62.73 402.05 14.31 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 0.39 0.27 0.06 0.53 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) 01/11/21 _x86_64_ (4 CPU) 07:18:28 LINUX RESTART (4 CPU) 07:19:02 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 11.48 0.00 3.92 1.14 0.11 83.36 07:20:01 0 9.75 0.00 5.30 1.05 0.12 83.78 07:20:01 1 11.37 0.00 3.70 0.79 0.09 84.06 07:20:01 2 12.94 0.00 3.75 1.61 0.12 81.57 07:20:01 3 11.86 0.00 2.91 1.09 0.10 84.04 07:21:01 all 0.17 0.00 0.06 0.00 0.00 99.77 07:21:01 0 0.05 0.00 0.07 0.00 0.00 99.88 07:21:01 1 0.53 0.00 0.07 0.00 0.00 99.40 07:21:01 2 0.03 0.00 0.03 0.00 0.00 99.93 07:21:01 3 0.05 0.00 0.08 0.00 0.02 99.85 07:22:01 all 0.11 0.00 0.04 0.00 0.00 99.84 07:22:01 0 0.05 0.00 0.03 0.00 0.02 99.90 07:22:01 1 0.28 0.00 0.05 0.00 0.00 99.67 07:22:01 2 0.07 0.00 0.03 0.00 0.00 99.90 07:22:01 3 0.05 0.00 0.05 0.00 0.00 99.90 07:23:01 all 0.15 0.00 0.06 0.00 0.00 99.79 07:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:23:01 1 0.32 0.00 0.12 0.00 0.00 99.57 07:23:01 2 0.18 0.00 0.08 0.00 0.00 99.73 07:23:01 3 0.05 0.00 0.03 0.00 0.00 99.92 07:24:01 all 0.05 0.00 0.05 0.00 0.04 99.86 07:24:01 0 0.03 0.00 0.03 0.00 0.02 99.92 07:24:01 1 0.03 0.00 0.03 0.00 0.05 99.88 07:24:01 2 0.12 0.00 0.07 0.00 0.05 99.77 07:24:01 3 0.03 0.00 0.07 0.00 0.03 99.87 07:25:01 all 0.05 0.00 0.04 0.00 0.00 99.90 07:25:01 0 0.02 0.00 0.03 0.00 0.00 99.95 07:25:01 1 0.03 0.00 0.05 0.00 0.00 99.92 07:25:01 2 0.13 0.00 0.03 0.00 0.00 99.83 07:25:01 3 0.03 0.00 0.05 0.00 0.00 99.92 07:26:01 all 0.18 0.00 0.03 0.00 0.00 99.79 07:26:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:26:01 1 0.10 0.00 0.03 0.00 0.00 99.87 07:26:01 2 0.53 0.00 0.03 0.00 0.00 99.43 07:26:01 3 0.05 0.00 0.03 0.00 0.00 99.92 07:27:01 all 5.56 0.00 4.11 1.93 0.13 88.28 07:27:01 0 5.20 0.00 3.71 3.01 0.10 87.98 07:27:01 1 5.06 0.00 4.03 2.35 0.15 88.42 07:27:01 2 5.74 0.00 4.09 0.29 0.15 89.73 07:27:01 3 6.24 0.00 4.61 2.05 0.12 86.97 Average: all 2.18 0.00 1.02 0.38 0.04 96.39 Average: 0 1.86 0.00 1.13 0.50 0.03 96.48 Average: 1 2.18 0.00 0.99 0.39 0.04 96.41 Average: 2 2.43 0.00 1.00 0.23 0.04 96.30 Average: 3 2.25 0.00 0.96 0.39 0.03 96.37