---> uname -a: Linux 53bc3e2e0a71 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-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 600 71 0 1166 1133 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) 04/15/20 _x86_64_ (4 CPU) 22:41:41 LINUX RESTART 22:42:01 tps rtps wtps bread/s bwrtn/s 22:43:02 88.90 35.31 53.59 4789.88 16492.51 22:44:01 3.84 0.00 3.84 0.00 124.52 22:45:01 0.25 0.00 0.25 0.00 3.25 22:46:01 0.27 0.00 0.27 0.00 3.60 22:47:01 0.25 0.00 0.25 0.00 3.20 22:48:01 0.38 0.00 0.38 0.00 5.03 Average: 15.69 5.90 9.78 800.82 2780.38 22:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:43:02 117576 1764728 93.75 2620 1230712 911688 31.11 433396 1170696 372 22:44:01 126684 1755620 93.27 2620 1230928 882044 30.09 427784 1170612 20 22:45:01 125456 1756848 93.33 2620 1230936 882260 30.10 429100 1170600 16 22:46:01 124824 1757480 93.37 2620 1230940 882308 30.10 429432 1170600 8 22:47:01 126820 1755484 93.26 2620 1230948 882044 30.09 428000 1170600 8 22:48:01 126360 1755944 93.29 2620 1230952 882140 30.10 428652 1170600 8 Average: 124620 1757684 93.38 2620 1230903 887081 30.27 429394 1170618 72 22:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:43:02 eth0 435.41 250.22 1002.76 85.77 0.00 0.00 0.00 22:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:02 docker0 1.42 1.30 0.27 2.96 0.00 0.00 0.00 22:44:01 eth0 0.91 0.08 0.07 0.01 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 0.80 0.38 0.30 0.20 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.48 0.37 0.27 0.20 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 0.32 0.22 0.14 0.07 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 73.23 42.02 167.78 14.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.24 0.22 0.04 0.50 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) 22:41:41 LINUX RESTART 22:42:01 CPU %user %nice %system %iowait %steal %idle 22:43:02 all 11.77 0.00 5.38 3.76 0.01 79.07 22:43:02 0 11.10 0.00 6.77 3.91 0.02 78.21 22:43:02 1 12.51 0.00 5.41 5.50 0.00 76.58 22:43:02 2 12.86 0.00 4.52 2.99 0.00 79.63 22:43:02 3 10.62 0.00 4.82 2.63 0.02 81.92 22:44:01 all 0.17 0.00 0.07 0.00 0.00 99.76 22:44:01 0 0.07 0.00 0.08 0.00 0.00 99.85 22:44:01 1 0.02 0.00 0.05 0.00 0.00 99.93 22:44:01 2 0.10 0.00 0.10 0.00 0.00 99.80 22:44:01 3 0.53 0.00 0.05 0.00 0.00 99.42 22:45:01 all 0.20 0.00 0.05 0.00 0.00 99.75 22:45:01 0 0.08 0.00 0.07 0.00 0.00 99.85 22:45:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:45:01 2 0.13 0.00 0.05 0.00 0.00 99.82 22:45:01 3 0.53 0.00 0.05 0.00 0.00 99.42 22:46:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:46:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:46:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:46:01 3 0.55 0.00 0.07 0.00 0.00 99.38 22:47:01 all 0.19 0.00 0.06 0.00 0.00 99.75 22:47:01 0 0.07 0.00 0.08 0.00 0.00 99.85 22:47:01 1 0.17 0.00 0.03 0.00 0.00 99.80 22:47:01 2 0.12 0.00 0.07 0.00 0.00 99.82 22:47:01 3 0.43 0.00 0.05 0.00 0.00 99.52 22:48:01 all 0.18 0.00 0.05 0.00 0.00 99.78 22:48:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:48:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:48:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:48:01 3 0.53 0.00 0.03 0.00 0.00 99.43 Average: all 2.11 0.00 0.94 0.62 0.00 96.33 Average: 0 1.89 0.00 1.18 0.65 0.00 96.28 Average: 1 2.14 0.00 0.94 0.91 0.00 96.01 Average: 2 2.21 0.00 0.80 0.50 0.00 96.49 Average: 3 2.19 0.00 0.84 0.44 0.00 96.53