---> uname -a: Linux prd-centos7-docker-4c-2g-33416.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-222@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-222 ---> free -m: total used free shared buff/cache available Mem: 1837 712 115 0 1008 1019 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:f7:00:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.37/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85683sec preferred_lft 85683sec inet6 fe80::f816:3eff:fef7:d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:63:75:3f:d5 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::42:63ff:fe75:3fd5/64 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) 04/09/21 _x86_64_ (4 CPU) 08:18:01 LINUX RESTART (4 CPU) 08:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:02 3.21 1.23 1.98 0.00 65.66 44.68 0.00 08:21:01 0.39 0.00 0.39 0.00 0.00 5.79 0.00 08:22:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 08:23:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 08:24:01 0.30 0.00 0.30 0.00 0.00 4.53 0.00 08:25:01 0.42 0.00 0.42 0.00 0.00 6.40 0.00 08:26:01 0.23 0.00 0.23 0.00 0.00 3.75 0.00 08:27:01 0.30 0.00 0.30 0.00 0.00 4.88 0.00 08:28:01 0.30 0.00 0.30 0.00 0.00 4.20 0.00 08:29:01 0.35 0.00 0.35 0.00 0.00 5.31 0.00 08:30:01 135.79 76.10 59.69 0.00 6188.15 18502.03 0.00 Average: 12.92 7.04 5.87 0.00 569.71 1693.28 0.00 08:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:02 143296 0 613968 32.63 2620 1121660 1110700 37.91 431740 1108504 20 08:21:01 143328 0 613928 32.63 2620 1121668 1110724 37.91 432088 1108136 8 08:22:01 141880 0 615372 32.71 2620 1121672 1106588 37.77 436280 1105060 8 08:23:01 144056 0 613196 32.59 2620 1121672 1081008 36.89 442908 1096504 16 08:24:01 140760 0 616484 32.76 2620 1121680 1083692 36.98 443936 1099468 16 08:25:01 140656 0 616584 32.77 2620 1121684 1083696 36.98 449000 1094412 20 08:26:01 141212 0 616024 32.74 2620 1121688 1083576 36.98 448216 1094412 16 08:27:01 141248 0 615984 32.74 2620 1121692 1083576 36.98 448220 1094412 8 08:28:01 141304 0 615920 32.73 2620 1121700 1083576 36.98 448228 1094412 12 08:29:01 141100 0 616120 32.75 2620 1121704 1083648 36.98 448476 1094412 12 08:30:01 182528 0 705692 37.51 2620 990704 1277288 43.59 469384 977300 28 Average: 145579 0 623570 33.14 2620 1109775 1108007 37.81 445316 1087912 15 08:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:02 eth0 15.76 8.87 13.59 3.54 0.00 0.00 0.00 0.00 08:20:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 eth0 1.59 0.41 0.38 0.21 0.00 0.00 0.00 0.00 08:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 eth0 1.57 0.60 0.59 0.40 0.00 0.00 0.00 0.00 08:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 eth0 0.58 0.30 0.28 0.20 0.00 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.55 0.22 0.17 0.07 0.00 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 0.72 0.27 0.29 0.20 0.00 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 0.12 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 08:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 eth0 0.25 0.17 0.08 0.07 0.00 0.00 0.00 0.00 08:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 eth0 195.87 169.01 2172.84 18.85 0.00 0.00 0.00 0.00 08:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.78 16.40 199.34 2.15 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 0.00 0.00 0.00 0.00 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) 04/09/21 _x86_64_ (4 CPU) 08:18:01 LINUX RESTART (4 CPU) 08:19:01 CPU %user %nice %system %iowait %steal %idle 08:20:02 all 0.60 0.00 0.10 0.01 0.00 99.28 08:20:02 0 0.63 0.00 0.13 0.02 0.02 99.20 08:20:02 1 0.50 0.00 0.10 0.00 0.00 99.40 08:20:02 2 0.95 0.00 0.12 0.02 0.00 98.92 08:20:02 3 0.33 0.00 0.07 0.00 0.00 99.60 08:21:01 all 0.15 0.00 0.03 0.00 0.01 99.81 08:21:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:21:01 1 0.07 0.00 0.05 0.00 0.02 99.86 08:21:01 2 0.49 0.00 0.02 0.00 0.00 99.49 08:21:01 3 0.05 0.00 0.03 0.00 0.02 99.90 08:22:01 all 0.17 0.00 0.05 0.00 0.00 99.78 08:22:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:22:01 1 0.38 0.00 0.07 0.00 0.00 99.55 08:22:01 2 0.17 0.00 0.05 0.00 0.00 99.78 08:22:01 3 0.08 0.00 0.07 0.00 0.00 99.85 08:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 08:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:23:01 1 0.52 0.00 0.02 0.00 0.00 99.47 08:23:01 2 0.03 0.00 0.05 0.00 0.00 99.92 08:23:01 3 0.08 0.00 0.07 0.00 0.00 99.85 08:24:01 all 0.16 0.00 0.04 0.00 0.02 99.79 08:24:01 0 0.02 0.00 0.03 0.00 0.02 99.93 08:24:01 1 0.52 0.00 0.03 0.00 0.00 99.45 08:24:01 2 0.05 0.00 0.05 0.00 0.02 99.88 08:24:01 3 0.05 0.00 0.03 0.00 0.03 99.88 08:25:01 all 0.13 0.00 0.04 0.00 0.00 99.82 08:25:01 0 0.32 0.00 0.05 0.00 0.00 99.63 08:25:01 1 0.13 0.00 0.02 0.00 0.00 99.85 08:25:01 2 0.03 0.00 0.05 0.00 0.00 99.92 08:25:01 3 0.03 0.00 0.05 0.00 0.02 99.90 08:26:01 all 0.09 0.00 0.03 0.00 0.00 99.88 08:26:01 0 0.02 0.00 0.02 0.00 0.02 99.95 08:26:01 1 0.12 0.00 0.02 0.00 0.00 99.87 08:26:01 2 0.18 0.00 0.07 0.00 0.00 99.75 08:26:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:27:01 all 0.02 0.00 0.03 0.00 0.00 99.95 08:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:27:01 1 0.02 0.00 0.02 0.00 0.00 99.97 08:27:01 2 0.03 0.00 0.03 0.00 0.00 99.93 08:27:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:28:01 all 0.15 0.00 0.03 0.00 0.00 99.83 08:28:01 0 0.02 0.00 0.00 0.00 0.00 99.98 08:28:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:28:01 2 0.17 0.00 0.05 0.00 0.02 99.77 08:28:01 3 0.35 0.00 0.02 0.00 0.00 99.63 08:29:01 all 0.19 0.00 0.02 0.00 0.00 99.79 08:29:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:29:01 1 0.18 0.00 0.02 0.00 0.00 99.80 08:29:01 2 0.05 0.00 0.02 0.00 0.00 99.93 08:29:01 3 0.50 0.00 0.02 0.00 0.00 99.48 08:30:01 all 5.35 0.00 2.93 2.33 0.10 89.30 08:30:01 0 5.59 0.00 3.12 1.50 0.10 89.70 08:30:01 1 5.71 0.00 3.07 4.11 0.08 87.03 08:30:01 2 4.75 0.00 3.00 2.80 0.08 89.37 08:30:01 3 5.34 0.00 2.53 0.91 0.12 91.10 Average: CPU %user %nice %system %iowait %steal %idle Average: all 0.65 0.00 0.30 0.21 0.01 98.83 Average: 0 0.60 0.00 0.31 0.14 0.01 98.93 Average: 1 0.74 0.00 0.31 0.37 0.01 98.57 Average: 2 0.62 0.00 0.32 0.25 0.01 98.79 Average: 3 0.62 0.00 0.26 0.08 0.02 99.02