---> uname -a: Linux 5cfaf1aaac49 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: 2933.436 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 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 6.8G 43.1G 14% / 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 6.8G 43.1G 14% /etc/resolv.conf /dev/vda1 50.0G 6.8G 43.1G 14% /etc/hostname /dev/vda1 50.0G 6.8G 43.1G 14% /etc/hosts /dev/vda1 50.0G 6.8G 43.1G 14% /w/workspace/xfoundry_device-modbus-go_PR-136@tmp /dev/vda1 50.0G 6.8G 43.1G 14% /var/log/sa /dev/vda1 50.0G 6.8G 43.1G 14% /w/workspace/xfoundry_device-modbus-go_PR-136 ---> free -m: total used free shared buff/cache available Mem: 1838 602 75 0 1160 1135 Swap: 1023 0 1023 ---> 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 14: eth0@if15: 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) 04/15/20 _x86_64_ (4 CPU) 08:55:53 LINUX RESTART 08:57:01 tps rtps wtps bread/s bwrtn/s 08:58:01 82.84 23.22 59.61 1977.69 13517.43 08:59:01 8.18 0.02 8.16 0.53 2470.36 09:00:01 0.27 0.00 0.27 0.00 3.88 09:01:01 0.35 0.08 0.27 2.26 3.66 09:02:01 10.57 9.70 0.87 1589.48 13.69 Average: 20.44 6.61 13.83 714.11 3201.43 08:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:58:01 268732 1613572 85.72 2620 1069912 941784 32.13 419176 1012936 72948 08:59:01 269940 1612364 85.66 2620 1069860 910944 31.08 420216 1010868 16 09:00:01 268948 1613356 85.71 2620 1069868 911148 31.09 421188 1010868 20 09:01:01 269328 1612976 85.69 2620 1069872 913716 31.18 432104 999760 24 09:02:01 207748 1674556 88.96 2620 1117588 939128 32.04 445744 1046956 68 Average: 256939 1625365 86.35 2620 1079420 923344 31.50 427686 1016278 14615 08:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:58:01 eth0 193.49 170.20 1109.38 18.07 0.00 0.00 0.00 08:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:58:01 docker0 161.40 172.47 8.61 1094.98 0.00 0.00 0.00 08:59:01 eth0 0.65 0.08 0.05 0.03 0.00 0.00 0.00 08:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 eth0 0.72 0.32 0.29 0.17 0.00 0.00 0.00 09:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 eth0 0.13 0.10 0.01 0.04 0.00 0.00 0.00 09:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 eth0 2.68 1.86 3.01 0.99 0.00 0.00 0.00 09:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.53 34.51 222.53 3.86 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 32.28 34.49 1.72 218.98 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) 04/15/20 _x86_64_ (4 CPU) 08:55:53 LINUX RESTART 08:57:01 CPU %user %nice %system %iowait %steal %idle 08:58:01 all 3.20 0.00 2.58 2.28 0.80 91.15 08:58:01 0 5.10 0.00 3.62 0.93 0.83 89.52 08:58:01 1 2.87 0.00 2.63 0.67 0.64 93.19 08:58:01 2 2.31 0.00 2.09 4.43 0.85 90.31 08:58:01 3 2.59 0.00 1.98 3.04 0.86 91.53 08:59:01 all 0.17 0.00 0.07 0.00 0.08 99.68 08:59:01 0 0.03 0.00 0.05 0.00 0.03 99.88 08:59:01 1 0.07 0.00 0.10 0.00 0.03 99.80 08:59:01 2 0.52 0.00 0.05 0.00 0.12 99.32 08:59:01 3 0.03 0.00 0.07 0.00 0.13 99.77 09:00:01 all 0.16 0.00 0.04 0.00 0.27 99.53 09:00:01 0 0.05 0.00 0.05 0.00 0.10 99.80 09:00:01 1 0.05 0.00 0.03 0.00 0.30 99.62 09:00:01 2 0.47 0.00 0.05 0.00 0.33 99.15 09:00:01 3 0.05 0.00 0.05 0.00 0.35 99.55 09:01:01 all 0.15 0.00 0.07 0.00 0.49 99.29 09:01:01 0 0.03 0.00 0.03 0.02 0.35 99.57 09:01:01 1 0.17 0.00 0.07 0.00 0.66 99.10 09:01:01 2 0.37 0.00 0.07 0.00 0.50 99.07 09:01:01 3 0.05 0.00 0.10 0.00 0.43 99.42 09:02:01 all 0.32 0.00 0.14 0.13 0.09 99.32 09:02:01 0 0.07 0.00 0.08 0.00 0.03 99.82 09:02:01 1 0.48 0.00 0.12 0.02 0.10 99.28 09:02:01 2 0.53 0.00 0.22 0.52 0.13 98.60 09:02:01 3 0.17 0.00 0.15 0.00 0.12 99.57 Average: all 0.79 0.00 0.58 0.48 0.34 97.81 Average: 0 1.04 0.00 0.76 0.19 0.27 97.75 Average: 1 0.72 0.00 0.59 0.14 0.35 98.21 Average: 2 0.84 0.00 0.49 0.99 0.39 97.30 Average: 3 0.57 0.00 0.47 0.60 0.38 97.98