---> uname -a: Linux 97b0579edb80 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 6.4G 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-139 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-139@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 598 65 0 1174 1136 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) 04/16/20 _x86_64_ (4 CPU) 18:14:52 LINUX RESTART 18:16:01 tps rtps wtps bread/s bwrtn/s 18:17:02 9.28 0.00 9.28 0.00 1881.72 18:18:01 0.61 0.00 0.61 0.00 9.23 18:19:01 0.27 0.00 0.27 0.00 3.61 18:20:01 0.28 0.00 0.28 0.00 3.35 18:21:01 0.32 0.00 0.32 0.00 4.36 18:22:01 0.28 0.00 0.28 0.00 3.48 18:23:01 0.30 0.00 0.30 0.00 3.60 18:24:01 0.20 0.00 0.20 0.00 2.60 18:25:01 0.28 0.00 0.28 0.00 3.35 18:26:01 0.28 0.00 0.28 0.00 3.21 18:27:01 0.32 0.00 0.32 0.00 3.81 18:28:01 0.25 0.00 0.25 0.00 2.75 Average: 1.06 0.00 1.06 0.00 160.65 18:16:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:17:02 116116 1766188 93.83 2620 1234276 892328 30.45 428676 1175644 8 18:18:01 115288 1767016 93.88 2620 1234284 892488 30.45 431384 1173452 8 18:19:01 114060 1768244 93.94 2620 1234292 892780 30.46 432856 1173448 8 18:20:01 115664 1766640 93.86 2620 1234292 892456 30.45 431016 1173448 16 18:21:01 115256 1767048 93.88 2620 1234300 892576 30.45 431784 1173448 16 18:22:01 115820 1766484 93.85 2620 1234304 892456 30.45 431168 1173444 16 18:23:01 123608 1758696 93.43 2620 1234308 892684 30.46 423108 1173444 8 18:24:01 124928 1757376 93.36 2620 1234312 892456 30.45 421992 1173444 8 18:25:01 125128 1757176 93.35 2620 1234320 892456 30.45 421880 1173448 8 18:26:01 131768 1750536 93.00 2620 1234324 892716 30.46 414980 1173408 8 18:27:01 132896 1749408 92.94 2620 1234328 892524 30.45 413840 1173408 8 18:28:01 133784 1748520 92.89 2620 1234336 892524 30.45 413188 1173408 8 Average: 122026 1760278 93.52 2620 1234306 892537 30.45 424656 1173620 10 18:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:17:02 eth0 0.08 0.12 0.01 0.02 0.00 0.00 0.00 18:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 1.36 0.71 1.22 0.05 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 0.88 0.42 0.30 0.21 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.87 0.08 0.07 0.01 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 1.03 0.40 0.42 0.26 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 0.58 0.08 0.06 0.01 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 0.43 0.42 0.27 0.21 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.67 0.08 0.05 0.01 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.98 0.57 0.46 0.24 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 18:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.59 0.25 0.24 0.09 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) 04/16/20 _x86_64_ (4 CPU) 18:14:52 LINUX RESTART 18:16:01 CPU %user %nice %system %iowait %steal %idle 18:17:02 all 0.17 0.00 0.10 0.00 0.00 99.72 18:17:02 0 0.05 0.00 0.13 0.00 0.00 99.82 18:17:02 1 0.50 0.00 0.10 0.00 0.00 99.40 18:17:02 2 0.07 0.00 0.10 0.00 0.00 99.83 18:17:02 3 0.07 0.00 0.08 0.00 0.00 99.85 18:18:01 all 0.20 0.00 0.06 0.00 0.00 99.74 18:18:01 0 0.08 0.00 0.05 0.00 0.00 99.86 18:18:01 1 0.54 0.00 0.05 0.00 0.00 99.41 18:18:01 2 0.14 0.00 0.07 0.00 0.00 99.80 18:18:01 3 0.07 0.00 0.03 0.00 0.02 99.88 18:19:01 all 0.20 0.00 0.05 0.00 0.00 99.75 18:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:19:01 1 0.55 0.00 0.08 0.00 0.02 99.35 18:19:01 2 0.13 0.00 0.07 0.00 0.00 99.80 18:19:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:20:01 all 0.20 0.00 0.06 0.00 0.00 99.74 18:20:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:20:01 1 0.57 0.00 0.07 0.00 0.00 99.37 18:20:01 2 0.10 0.00 0.07 0.00 0.00 99.83 18:20:01 3 0.08 0.00 0.05 0.00 0.00 99.87 18:21:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:21:01 0 0.05 0.00 0.02 0.00 0.00 99.93 18:21:01 1 0.55 0.00 0.03 0.00 0.00 99.42 18:21:01 2 0.07 0.00 0.07 0.00 0.02 99.85 18:21:01 3 0.07 0.00 0.05 0.00 0.00 99.88 18:22:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:22:01 0 0.03 0.00 0.02 0.00 0.02 99.93 18:22:01 1 0.60 0.00 0.07 0.00 0.00 99.33 18:22:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:22:01 3 0.03 0.00 0.05 0.00 0.00 99.92 18:23:01 all 0.18 0.00 0.06 0.00 0.00 99.76 18:23:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:23:01 1 0.53 0.00 0.08 0.00 0.00 99.38 18:23:01 2 0.07 0.00 0.08 0.00 0.00 99.85 18:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:24:01 all 0.11 0.00 0.06 0.00 0.00 99.82 18:24:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:24:01 1 0.27 0.00 0.07 0.00 0.02 99.65 18:24:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:24:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:25:01 all 0.11 0.00 0.05 0.00 0.00 99.84 18:25:01 0 0.27 0.00 0.05 0.00 0.00 99.68 18:25:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:25:01 2 0.08 0.00 0.08 0.00 0.00 99.83 18:25:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:26:01 all 0.20 0.00 0.04 0.00 0.00 99.75 18:26:01 0 0.55 0.00 0.03 0.00 0.00 99.42 18:26:01 1 0.10 0.00 0.05 0.00 0.00 99.85 18:26:01 2 0.12 0.00 0.05 0.00 0.02 99.82 18:26:01 3 0.05 0.00 0.02 0.00 0.00 99.93 18:27:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:27:01 0 0.52 0.00 0.02 0.00 0.00 99.47 18:27:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:27:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:27:01 3 0.07 0.00 0.05 0.00 0.00 99.88 18:28:01 all 0.19 0.00 0.05 0.00 0.00 99.77 18:28:01 0 0.52 0.00 0.03 0.00 0.00 99.45 18:28:01 1 0.07 0.00 0.03 0.00 0.00 99.90 18:28:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:28:01 3 0.10 0.00 0.07 0.00 0.00 99.83 Average: all 0.17 0.00 0.06 0.00 0.00 99.77 Average: 0 0.19 0.00 0.05 0.00 0.00 99.76 Average: 1 0.37 0.00 0.06 0.00 0.00 99.57 Average: 2 0.08 0.00 0.06 0.00 0.00 99.85 Average: 3 0.06 0.00 0.05 0.00 0.00 99.89