---> uname -a: Linux d6cfe1b96e56 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-139@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-139 ---> free -m: total used free shared buff/cache available Mem: 1838 590 75 0 1172 1144 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) 17:59:31 LINUX RESTART 18:00:01 tps rtps wtps bread/s bwrtn/s 18:01:02 46.21 12.51 33.70 2555.63 3345.08 18:02:01 2.79 0.08 2.71 2.03 93.84 18:03:01 0.22 0.00 0.22 0.00 3.25 18:04:01 0.18 0.00 0.18 0.00 2.15 18:05:01 0.32 0.00 0.32 0.00 5.20 18:06:01 0.33 0.00 0.33 0.00 4.65 18:07:01 0.23 0.00 0.23 0.00 2.03 18:08:01 0.30 0.00 0.30 0.00 4.88 18:09:01 0.30 0.00 0.30 0.00 4.20 18:10:01 0.23 0.00 0.23 0.00 3.88 Average: 5.12 1.26 3.86 256.37 347.58 18:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:01:02 105644 1776660 94.39 2620 1246748 943876 32.20 427980 1184152 20 18:02:01 114292 1768012 93.93 2620 1246908 904680 30.87 420932 1184004 20 18:03:01 112344 1769960 94.03 2620 1246912 905036 30.88 422680 1184004 12 18:04:01 113084 1769220 93.99 2620 1246916 905016 30.88 422292 1184004 16 18:05:01 112900 1769404 94.00 2620 1246920 905052 30.88 422532 1184004 8 18:06:01 113416 1768888 93.97 2620 1246928 904968 30.88 421984 1184004 8 18:07:01 114320 1767984 93.93 2620 1246928 904940 30.88 421280 1184000 8 18:08:01 118832 1763472 93.69 2620 1246940 904940 30.88 416184 1184004 8 18:09:01 118964 1763340 93.68 2620 1246944 904940 30.88 416448 1184000 16 18:10:01 132516 1749788 92.96 2620 1246948 904940 30.88 402628 1184000 8 Average: 115631 1766673 93.86 2620 1246909 908839 31.01 419494 1184018 12 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:01:02 eth0 356.63 206.42 831.14 80.60 0.00 0.00 0.00 18:01:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:02 docker0 1.43 1.11 0.28 3.12 0.00 0.00 0.00 18:02:01 eth0 0.69 0.08 0.06 0.01 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 eth0 1.92 0.62 0.62 0.37 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 0.85 0.48 0.30 0.24 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 eth0 0.53 0.38 0.27 0.20 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 36.21 20.90 83.45 8.17 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 0.11 0.03 0.31 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) 17:59:31 LINUX RESTART 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:01:02 all 8.06 0.00 2.99 0.75 0.02 88.18 18:01:02 0 7.24 0.00 3.34 0.18 0.03 89.20 18:01:02 1 8.34 0.00 2.63 0.13 0.03 88.86 18:01:02 2 8.45 0.00 2.87 0.20 0.02 88.47 18:01:02 3 8.18 0.00 3.14 2.50 0.00 86.18 18:02:01 all 0.19 0.00 0.07 0.00 0.00 99.73 18:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:02:01 1 0.10 0.00 0.10 0.00 0.00 99.80 18:02:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:02:01 3 0.56 0.00 0.07 0.00 0.00 99.37 18:03:01 all 0.22 0.00 0.06 0.00 0.00 99.72 18:03:01 0 0.10 0.00 0.05 0.00 0.00 99.85 18:03:01 1 0.17 0.00 0.07 0.00 0.02 99.75 18:03:01 2 0.08 0.00 0.07 0.00 0.02 99.83 18:03:01 3 0.52 0.00 0.05 0.00 0.02 99.42 18:04:01 all 0.15 0.00 0.07 0.00 0.00 99.77 18:04:01 0 0.07 0.00 0.08 0.00 0.00 99.85 18:04:01 1 0.15 0.00 0.08 0.00 0.02 99.75 18:04:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:04:01 3 0.33 0.00 0.07 0.00 0.00 99.60 18:05:01 all 0.20 0.00 0.05 0.00 0.00 99.75 18:05:01 0 0.07 0.00 0.05 0.00 0.02 99.87 18:05:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:05:01 2 0.08 0.00 0.07 0.00 0.00 99.85 18:05:01 3 0.55 0.00 0.05 0.00 0.00 99.40 18:06:01 all 0.18 0.00 0.05 0.00 0.00 99.76 18:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:06:01 1 0.10 0.00 0.07 0.00 0.00 99.83 18:06:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:06:01 3 0.53 0.00 0.05 0.00 0.00 99.42 18:07:01 all 0.19 0.00 0.05 0.00 0.00 99.76 18:07:01 0 0.03 0.00 0.05 0.00 0.00 99.92 18:07:01 1 0.07 0.00 0.03 0.00 0.00 99.90 18:07:01 2 0.10 0.00 0.07 0.00 0.02 99.82 18:07:01 3 0.55 0.00 0.03 0.00 0.00 99.42 18:08:01 all 0.17 0.00 0.05 0.00 0.00 99.79 18:08:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:08:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:08:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:08:01 3 0.50 0.00 0.05 0.00 0.00 99.45 18:09:01 all 0.07 0.00 0.07 0.00 0.00 99.87 18:09:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:09:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:09:01 2 0.08 0.00 0.07 0.00 0.00 99.85 18:09:01 3 0.07 0.00 0.08 0.00 0.00 99.85 18:10:01 all 0.15 0.00 0.05 0.00 0.00 99.80 18:10:01 0 0.43 0.00 0.07 0.00 0.00 99.50 18:10:01 1 0.05 0.00 0.07 0.00 0.00 99.88 18:10:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.95 0.00 0.35 0.08 0.00 98.62 Average: 0 0.81 0.00 0.38 0.02 0.01 98.78 Average: 1 0.91 0.00 0.32 0.01 0.01 98.75 Average: 2 0.91 0.00 0.33 0.02 0.01 98.73 Average: 3 1.18 0.00 0.36 0.25 0.00 98.21