---> uname -a: Linux f1656a4f686e 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: 2933.442 BogoMIPS: 5866.88 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-144@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-144 ---> free -m: total used free shared buff/cache available Mem: 1838 603 75 0 1159 1130 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) 04/21/20 _x86_64_ (4 CPU) 05:39:50 LINUX RESTART 05:41:02 tps rtps wtps bread/s bwrtn/s 05:42:01 9.08 0.00 9.08 0.00 1777.71 05:43:01 0.40 0.00 0.40 0.00 5.23 05:44:01 0.28 0.00 0.28 0.00 3.61 05:45:01 0.27 0.00 0.27 0.00 3.60 05:46:01 0.28 0.00 0.28 0.00 4.41 05:47:01 0.33 0.00 0.33 0.00 3.63 05:48:01 0.28 0.00 0.28 0.00 3.46 05:49:01 0.63 0.15 0.48 3.20 8.24 05:50:01 0.43 0.00 0.43 0.00 6.78 Average: 1.32 0.02 1.30 0.36 198.92 05:41:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:42:01 124940 1757364 93.36 2620 1219696 903304 30.82 427380 1168212 8 05:43:01 124404 1757900 93.39 2620 1219700 903304 30.82 427628 1167912 12 05:44:01 123656 1758648 93.43 2620 1219712 903524 30.83 428664 1167912 16 05:45:01 123580 1758724 93.43 2620 1219712 903500 30.83 428544 1167912 20 05:46:01 124172 1758132 93.40 2620 1219720 903440 30.82 428296 1167912 12 05:47:01 124360 1757944 93.39 2620 1219724 903368 30.82 427904 1167908 12 05:48:01 136288 1746016 92.76 2620 1219728 903368 30.82 416124 1167908 8 05:49:01 132156 1750148 92.98 2620 1219864 915984 31.25 419188 1168024 20 05:50:01 138928 1743376 92.62 2620 1219868 915908 31.25 412608 1168024 20 Average: 128054 1754250 93.20 2620 1219747 906189 30.92 424037 1167969 14 05:41:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:42:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 05:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 eth0 0.22 0.08 0.01 0.01 0.00 0.00 0.00 05:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 eth0 1.83 0.67 0.66 0.22 0.00 0.00 0.00 05:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 eth0 0.70 0.30 0.29 0.20 0.00 0.00 0.00 05:45:01 lo 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 05:46:01 eth0 0.32 0.25 0.14 0.08 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 05:47:01 lo 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 05:48:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 05:48:01 lo 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 05:49:01 eth0 5.83 3.35 5.13 2.32 0.00 0.00 0.00 05:49:01 lo 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 05:50:01 eth0 1.13 0.72 0.88 0.46 0.00 0.00 0.00 05:50:01 lo 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 Average: eth0 1.14 0.62 0.80 0.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 04/21/20 _x86_64_ (4 CPU) 05:39:50 LINUX RESTART 05:41:02 CPU %user %nice %system %iowait %steal %idle 05:42:01 all 0.18 0.00 0.08 0.00 0.00 99.74 05:42:01 0 0.05 0.00 0.03 0.00 0.00 99.92 05:42:01 1 0.58 0.00 0.10 0.00 0.00 99.32 05:42:01 2 0.07 0.00 0.05 0.00 0.00 99.88 05:42:01 3 0.05 0.00 0.10 0.00 0.00 99.85 05:43:01 all 0.19 0.00 0.05 0.00 0.00 99.75 05:43:01 0 0.05 0.00 0.03 0.00 0.00 99.92 05:43:01 1 0.57 0.00 0.07 0.00 0.00 99.37 05:43:01 2 0.07 0.00 0.05 0.00 0.00 99.88 05:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 05:44:01 all 0.17 0.00 0.05 0.00 0.00 99.78 05:44:01 0 0.12 0.00 0.03 0.00 0.00 99.85 05:44:01 1 0.43 0.00 0.07 0.00 0.00 99.50 05:44:01 2 0.07 0.00 0.07 0.00 0.00 99.87 05:44:01 3 0.05 0.00 0.03 0.00 0.00 99.92 05:45:01 all 0.19 0.00 0.04 0.00 0.00 99.77 05:45:01 0 0.52 0.00 0.03 0.00 0.02 99.43 05:45:01 1 0.07 0.00 0.07 0.00 0.00 99.87 05:45:01 2 0.10 0.00 0.05 0.00 0.00 99.85 05:45:01 3 0.07 0.00 0.05 0.00 0.00 99.88 05:46:01 all 0.18 0.00 0.04 0.00 0.00 99.78 05:46:01 0 0.52 0.00 0.02 0.00 0.00 99.47 05:46:01 1 0.07 0.00 0.05 0.00 0.00 99.88 05:46:01 2 0.05 0.00 0.05 0.00 0.00 99.90 05:46:01 3 0.05 0.00 0.05 0.00 0.00 99.90 05:47:01 all 0.17 0.00 0.05 0.00 0.00 99.78 05:47:01 0 0.25 0.00 0.02 0.00 0.00 99.73 05:47:01 1 0.32 0.00 0.03 0.00 0.00 99.65 05:47:01 2 0.07 0.00 0.10 0.00 0.00 99.83 05:47:01 3 0.05 0.00 0.05 0.00 0.00 99.90 05:48:01 all 0.17 0.00 0.05 0.00 0.00 99.79 05:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:48:01 1 0.53 0.00 0.05 0.00 0.00 99.42 05:48:01 2 0.08 0.00 0.05 0.00 0.00 99.87 05:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 05:49:01 all 0.55 0.00 0.12 0.00 0.00 99.34 05:49:01 0 0.15 0.00 0.10 0.00 0.00 99.75 05:49:01 1 0.55 0.00 0.08 0.00 0.00 99.37 05:49:01 2 0.22 0.00 0.15 0.00 0.00 99.63 05:49:01 3 1.25 0.00 0.12 0.00 0.00 98.63 05:50:01 all 0.21 0.00 0.07 0.00 0.00 99.72 05:50:01 0 0.13 0.00 0.03 0.00 0.00 99.83 05:50:01 1 0.48 0.00 0.10 0.00 0.00 99.42 05:50:01 2 0.07 0.00 0.08 0.00 0.00 99.85 05:50:01 3 0.15 0.00 0.07 0.00 0.00 99.78 Average: all 0.22 0.00 0.06 0.00 0.00 99.72 Average: 0 0.20 0.00 0.04 0.00 0.00 99.76 Average: 1 0.40 0.00 0.07 0.00 0.00 99.53 Average: 2 0.09 0.00 0.07 0.00 0.00 99.84 Average: 3 0.20 0.00 0.06 0.00 0.00 99.74