---> uname -a: Linux 16ba2490d112 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: 2933.396 BogoMIPS: 5866.79 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 751 92 0 994 1022 Swap: 1023 2 1021 ---> 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 24: eth0@if25: 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) 03/26/20 _x86_64_ (4 CPU) 11:29:10 LINUX RESTART 11:30:02 tps rtps wtps bread/s bwrtn/s 11:31:01 21.33 6.43 14.90 1894.57 2389.47 11:32:01 2.96 0.00 2.96 0.00 97.85 11:33:01 0.27 0.00 0.27 0.00 3.46 11:34:01 0.28 0.00 0.28 0.00 2.61 11:35:01 0.23 0.00 0.23 0.00 3.51 11:36:01 0.32 0.00 0.32 0.00 5.23 11:37:01 0.30 0.00 0.30 0.00 3.33 11:38:01 0.23 0.00 0.23 0.00 2.56 11:39:01 0.27 0.00 0.27 0.00 3.88 11:40:01 217.43 124.17 93.26 4951.69 30388.75 11:41:01 222.30 71.22 151.08 3006.39 35826.25 Average: 42.40 18.37 24.03 894.50 6256.19 11:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:31:01 110724 1771580 94.12 2620 1227596 914896 31.22 443436 1170200 16 11:32:01 114624 1767680 93.91 2620 1227604 899876 30.70 440580 1169900 16 11:33:01 115696 1766608 93.85 2620 1227608 899684 30.70 439564 1169840 8 11:34:01 114392 1767912 93.92 2620 1227608 899912 30.70 440928 1169840 20 11:35:01 114748 1767556 93.90 2620 1227620 899840 30.70 440468 1169840 20 11:36:01 115276 1767028 93.88 2620 1227624 899780 30.70 440284 1169840 16 11:37:01 120864 1761440 93.58 2620 1227652 899864 30.70 434520 1169840 28 11:38:01 121904 1760400 93.52 2620 1227632 899684 30.70 435608 1167792 16 11:39:01 121372 1760932 93.55 2620 1227640 899768 30.70 436060 1167792 16 11:40:01 236612 1645692 87.43 2620 1061296 985260 33.62 486428 971064 19444 11:41:01 262748 1619556 86.04 2556 896104 1013360 34.58 567388 766076 112 Average: 140815 1741489 92.52 2614 1182362 919266 31.36 455024 1114729 1792 11:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:31:01 eth0 98.51 74.96 440.03 32.04 0.00 0.00 0.00 11:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 docker0 1.37 1.20 0.25 2.92 0.00 0.00 0.00 11:32:01 eth0 4.83 3.28 3.50 0.41 0.00 0.00 0.00 11:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 eth0 0.93 0.03 0.07 0.00 0.00 0.00 0.00 11:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 eth0 2.43 0.50 0.62 0.35 0.00 0.00 0.00 11:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 eth0 1.52 0.25 0.26 0.11 0.00 0.00 0.00 11:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 eth0 1.23 0.35 0.32 0.20 0.00 0.00 0.00 11:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 eth0 1.35 0.58 0.57 0.40 0.00 0.00 0.00 11:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 11:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 eth0 0.55 0.40 0.27 0.21 0.00 0.00 0.00 11:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 eth0 190.84 165.96 3934.51 23.80 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 docker0 27.28 23.22 2.81 264.10 0.00 0.00 0.00 11:41:01 eth0 244.49 200.45 3769.98 55.55 0.00 0.00 0.00 11:41:01 veth0f87325 0.03 0.12 0.00 0.01 0.00 0.00 0.00 11:41:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 11:41:01 docker0 65.01 63.85 4.96 517.85 0.00 0.00 0.00 Average: eth0 49.65 40.58 741.66 10.25 0.00 0.00 0.00 Average: veth0f87325 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.92 5.82 0.45 47.17 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) 03/26/20 _x86_64_ (4 CPU) 11:29:10 LINUX RESTART 11:30:02 CPU %user %nice %system %iowait %steal %idle 11:31:01 all 3.05 0.00 1.44 0.09 0.01 95.41 11:31:01 0 2.72 0.00 1.43 0.15 0.00 95.70 11:31:01 1 3.64 0.00 1.26 0.07 0.00 95.04 11:31:01 2 2.91 0.00 1.84 0.08 0.03 95.14 11:31:01 3 2.93 0.00 1.23 0.09 0.02 95.75 11:32:01 all 0.20 0.00 0.07 0.00 0.00 99.72 11:32:01 0 0.08 0.00 0.07 0.00 0.00 99.85 11:32:01 1 0.55 0.00 0.08 0.00 0.00 99.37 11:32:01 2 0.13 0.00 0.10 0.00 0.00 99.77 11:32:01 3 0.05 0.00 0.03 0.00 0.00 99.92 11:33:01 all 0.19 0.00 0.06 0.00 0.00 99.75 11:33:01 0 0.52 0.00 0.03 0.00 0.00 99.45 11:33:01 1 0.05 0.00 0.12 0.00 0.00 99.83 11:33:01 2 0.08 0.00 0.07 0.00 0.00 99.85 11:33:01 3 0.08 0.00 0.05 0.00 0.00 99.87 11:34:01 all 0.19 0.00 0.06 0.00 0.00 99.75 11:34:01 0 0.55 0.00 0.07 0.00 0.00 99.38 11:34:01 1 0.08 0.00 0.12 0.00 0.00 99.80 11:34:01 2 0.08 0.00 0.05 0.00 0.00 99.87 11:34:01 3 0.05 0.00 0.03 0.00 0.00 99.92 11:35:01 all 0.18 0.00 0.05 0.00 0.00 99.77 11:35:01 0 0.53 0.00 0.03 0.00 0.00 99.43 11:35:01 1 0.05 0.00 0.03 0.00 0.00 99.92 11:35:01 2 0.05 0.00 0.03 0.00 0.00 99.92 11:35:01 3 0.08 0.00 0.07 0.00 0.00 99.85 11:36:01 all 0.18 0.00 0.04 0.00 0.00 99.77 11:36:01 0 0.53 0.00 0.05 0.00 0.00 99.42 11:36:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:36:01 2 0.07 0.00 0.03 0.00 0.00 99.90 11:36:01 3 0.07 0.00 0.05 0.00 0.00 99.88 11:37:01 all 0.18 0.00 0.05 0.00 0.00 99.77 11:37:01 0 0.52 0.00 0.05 0.00 0.00 99.43 11:37:01 1 0.07 0.00 0.03 0.00 0.00 99.90 11:37:01 2 0.10 0.00 0.07 0.00 0.00 99.83 11:37:01 3 0.07 0.00 0.02 0.00 0.00 99.92 11:38:01 all 0.06 0.00 0.06 0.00 0.00 99.88 11:38:01 0 0.02 0.00 0.03 0.00 0.02 99.93 11:38:01 1 0.08 0.00 0.08 0.00 0.00 99.83 11:38:01 2 0.07 0.00 0.07 0.00 0.00 99.87 11:38:01 3 0.07 0.00 0.08 0.00 0.00 99.85 11:39:01 all 0.09 0.00 0.05 0.00 0.00 99.86 11:39:01 0 0.05 0.00 0.05 0.00 0.00 99.90 11:39:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:39:01 2 0.10 0.00 0.03 0.00 0.00 99.87 11:39:01 3 0.15 0.00 0.03 0.00 0.00 99.82 11:40:01 all 8.12 0.00 5.01 3.05 0.02 83.80 11:40:01 0 8.22 0.00 5.24 3.75 0.00 82.79 11:40:01 1 8.09 0.00 4.82 3.29 0.02 83.78 11:40:01 2 7.99 0.00 5.30 2.30 0.02 84.40 11:40:01 3 8.19 0.00 4.69 2.83 0.02 84.27 11:41:01 all 12.86 0.00 8.36 1.88 0.03 76.86 11:41:01 0 11.10 0.00 9.44 1.21 0.05 78.21 11:41:01 1 11.83 0.00 8.22 1.54 0.03 78.38 11:41:01 2 15.89 0.00 7.84 1.99 0.05 74.24 11:41:01 3 12.62 0.00 7.97 2.81 0.03 76.56 Average: all 2.28 0.00 1.37 0.45 0.01 95.89 Average: 0 2.24 0.00 1.48 0.46 0.01 95.81 Average: 1 2.21 0.00 1.34 0.44 0.00 96.00 Average: 2 2.47 0.00 1.39 0.39 0.01 95.74 Average: 3 2.19 0.00 1.28 0.52 0.01 96.00