---> uname -a: Linux 9b302884cec0 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-149@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-149 ---> free -m: total used free shared buff/cache available Mem: 1838 593 74 0 1169 1141 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/13/20 _x86_64_ (4 CPU) 13:39:32 LINUX RESTART 13:40:01 tps rtps wtps bread/s bwrtn/s 13:41:01 60.55 16.21 44.34 2897.30 3679.93 13:42:01 3.51 0.00 3.51 0.00 103.20 13:43:01 0.32 0.00 0.32 0.00 5.70 13:44:01 0.35 0.00 0.35 0.00 5.54 13:45:01 0.30 0.00 0.30 0.00 5.86 13:46:01 0.57 0.00 0.57 0.00 6.50 13:47:01 0.67 0.00 0.67 0.00 7.83 13:48:01 0.67 0.00 0.67 0.00 7.58 13:49:01 0.60 0.00 0.60 0.00 6.08 13:50:01 1.17 0.58 0.58 38.63 5.80 Average: 6.87 1.68 5.19 293.80 383.66 13:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:41:01 115536 1766768 93.86 2620 1231396 937792 32.00 426316 1174840 20 13:42:01 122600 1759704 93.49 2620 1231432 915464 31.24 423316 1173860 20 13:43:01 122320 1759984 93.50 2620 1231460 915564 31.24 423540 1173844 12 13:44:01 123524 1758780 93.44 2620 1231440 910304 31.06 422320 1173740 12 13:45:01 124016 1758288 93.41 2620 1231448 908296 30.99 422436 1173740 8 13:46:01 123244 1759060 93.45 2620 1231452 908428 31.00 422968 1173740 8 13:47:01 124800 1757504 93.37 2620 1231456 899060 30.68 421612 1173688 8 13:48:01 134220 1748084 92.87 2620 1231460 899060 30.68 412088 1173600 8 13:49:01 134392 1747912 92.86 2620 1231468 899060 30.68 412104 1173600 16 13:50:01 139408 1742896 92.59 2620 1232576 899608 30.69 406308 1174220 8 Average: 126406 1755898 93.28 2620 1231559 909264 31.02 419301 1173887 12 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:41:01 eth0 449.32 241.08 998.33 88.98 0.00 0.00 0.00 13:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:41:01 docker0 1.40 1.20 0.29 3.15 0.00 0.00 0.00 13:42:01 eth0 2.35 0.50 0.65 0.39 0.00 0.00 0.00 13:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:43:01 eth0 2.53 0.57 0.70 0.39 0.00 0.00 0.00 13:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 eth0 1.80 0.30 0.38 0.20 0.00 0.00 0.00 13:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:45:01 eth0 1.65 0.58 0.59 0.43 0.00 0.00 0.00 13:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:46:01 eth0 0.72 0.50 0.41 0.27 0.00 0.00 0.00 13:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 13:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 13:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 13:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 eth0 0.92 0.50 0.70 0.27 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 45.99 24.44 100.25 9.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.14 0.12 0.03 0.32 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/13/20 _x86_64_ (4 CPU) 13:39:32 LINUX RESTART 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:41:01 all 13.77 0.00 4.36 1.63 0.19 80.06 13:41:01 0 14.43 0.00 4.74 0.61 0.17 80.05 13:41:01 1 14.15 0.00 4.20 4.47 0.24 76.94 13:41:01 2 13.39 0.00 4.51 1.06 0.12 80.92 13:41:01 3 13.10 0.00 3.96 0.37 0.24 82.33 13:42:01 all 0.22 0.00 0.09 0.00 0.02 99.67 13:42:01 0 0.12 0.00 0.12 0.00 0.02 99.75 13:42:01 1 0.12 0.00 0.10 0.00 0.02 99.77 13:42:01 2 0.58 0.00 0.07 0.00 0.03 99.32 13:42:01 3 0.05 0.00 0.08 0.00 0.02 99.85 13:43:01 all 0.15 0.00 0.08 0.00 0.06 99.71 13:43:01 0 0.15 0.00 0.10 0.00 0.12 99.63 13:43:01 1 0.10 0.00 0.03 0.00 0.10 99.77 13:43:01 2 0.27 0.00 0.08 0.00 0.03 99.62 13:43:01 3 0.08 0.00 0.08 0.00 0.00 99.83 13:44:01 all 0.10 0.00 0.06 0.00 0.03 99.82 13:44:01 0 0.08 0.00 0.05 0.00 0.00 99.87 13:44:01 1 0.13 0.00 0.07 0.00 0.02 99.78 13:44:01 2 0.13 0.00 0.07 0.00 0.02 99.78 13:44:01 3 0.07 0.00 0.07 0.00 0.05 99.82 13:45:01 all 0.14 0.00 0.06 0.00 0.12 99.69 13:45:01 0 0.27 0.00 0.05 0.00 0.05 99.63 13:45:01 1 0.12 0.00 0.07 0.00 0.22 99.60 13:45:01 2 0.10 0.00 0.07 0.00 0.13 99.70 13:45:01 3 0.05 0.00 0.05 0.00 0.08 99.82 13:46:01 all 0.21 0.00 0.06 0.00 0.04 99.69 13:46:01 0 0.50 0.00 0.03 0.00 0.07 99.40 13:46:01 1 0.10 0.00 0.07 0.00 0.02 99.82 13:46:01 2 0.12 0.00 0.05 0.00 0.05 99.78 13:46:01 3 0.10 0.00 0.10 0.00 0.02 99.78 13:47:01 all 0.20 0.00 0.05 0.00 0.02 99.73 13:47:01 0 0.32 0.00 0.03 0.00 0.02 99.63 13:47:01 1 0.23 0.00 0.05 0.00 0.02 99.70 13:47:01 2 0.15 0.00 0.08 0.00 0.05 99.72 13:47:01 3 0.10 0.00 0.05 0.00 0.02 99.83 13:48:01 all 0.17 0.00 0.05 0.00 0.03 99.75 13:48:01 0 0.05 0.00 0.05 0.00 0.03 99.87 13:48:01 1 0.05 0.00 0.07 0.00 0.02 99.87 13:48:01 2 0.10 0.00 0.05 0.00 0.02 99.83 13:48:01 3 0.45 0.00 0.05 0.00 0.03 99.47 13:49:01 all 0.19 0.00 0.07 0.00 0.05 99.69 13:49:01 0 0.05 0.00 0.03 0.00 0.12 99.80 13:49:01 1 0.10 0.00 0.07 0.00 0.02 99.82 13:49:01 2 0.08 0.00 0.07 0.00 0.05 99.80 13:49:01 3 0.53 0.00 0.10 0.00 0.05 99.32 13:50:01 all 0.27 0.00 0.08 0.00 0.00 99.65 13:50:01 0 0.33 0.00 0.08 0.00 0.02 99.57 13:50:01 1 0.47 0.00 0.13 0.00 0.00 99.40 13:50:01 2 0.13 0.00 0.05 0.00 0.00 99.82 13:50:01 3 0.13 0.00 0.07 0.00 0.00 99.80 Average: all 1.53 0.00 0.49 0.16 0.06 97.76 Average: 0 1.62 0.00 0.52 0.06 0.06 97.74 Average: 1 1.54 0.00 0.48 0.44 0.07 97.47 Average: 2 1.49 0.00 0.51 0.11 0.05 97.84 Average: 3 1.46 0.00 0.46 0.04 0.05 98.00