---> uname -a: Linux 561dd4225227 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 6.3G 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1838 593 90 0 1154 1140 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 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) 16:54:11 LINUX RESTART 16:55:02 tps rtps wtps bread/s bwrtn/s 16:56:01 9.40 0.05 9.35 1.63 1941.57 16:57:01 2.23 0.00 2.23 0.00 76.57 16:58:01 0.28 0.00 0.28 0.00 3.61 16:59:01 0.27 0.00 0.27 0.00 3.60 17:00:01 0.25 0.00 0.25 0.00 3.66 17:01:01 0.37 0.02 0.35 0.13 4.35 17:02:01 0.50 0.13 0.37 2.66 6.46 17:03:01 0.25 0.00 0.25 0.00 2.48 Average: 1.68 0.03 1.65 0.55 251.80 16:55:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:56:01 114616 1767688 93.91 2620 1231776 949836 32.41 429000 1174852 16 16:57:01 122300 1760004 93.50 2620 1231784 900800 30.73 422868 1174500 16 16:58:01 122804 1759500 93.48 2620 1231792 900780 30.73 422332 1174500 16 16:59:01 122172 1760132 93.51 2620 1231792 900852 30.74 422912 1174500 16 17:00:01 123212 1759092 93.45 2620 1231800 900768 30.73 422464 1174500 16 17:01:01 122172 1760132 93.51 2620 1231804 903184 30.82 422924 1174500 12 17:02:01 127672 1754632 93.22 2620 1231960 901216 30.75 417848 1174584 8 17:03:01 127692 1754612 93.22 2620 1231964 901188 30.75 417944 1174500 12 Average: 122830 1759474 93.47 2620 1231834 907328 30.96 422287 1174555 14 16:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:56:01 eth0 1.80 0.66 0.95 0.23 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 eth0 1.08 0.28 0.31 0.19 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 eth0 0.85 0.27 0.28 0.02 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 eth0 0.92 0.57 0.53 0.36 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 eth0 0.35 0.20 0.15 0.10 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 eth0 0.08 0.15 0.01 0.01 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.66 0.29 0.28 0.12 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) 04/21/20 _x86_64_ (4 CPU) 16:54:11 LINUX RESTART 16:55:02 CPU %user %nice %system %iowait %steal %idle 16:56:01 all 0.21 0.00 0.13 0.00 0.00 99.65 16:56:01 0 0.10 0.00 0.15 0.00 0.00 99.75 16:56:01 1 0.10 0.00 0.08 0.00 0.00 99.81 16:56:01 2 0.07 0.00 0.10 0.00 0.00 99.83 16:56:01 3 0.58 0.00 0.20 0.00 0.00 99.22 16:57:01 all 0.20 0.00 0.05 0.00 0.00 99.74 16:57:01 0 0.10 0.00 0.07 0.00 0.00 99.83 16:57:01 1 0.08 0.00 0.07 0.02 0.00 99.83 16:57:01 2 0.08 0.00 0.07 0.00 0.00 99.85 16:57:01 3 0.55 0.00 0.03 0.00 0.00 99.42 16:58:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:58:01 0 0.05 0.00 0.02 0.00 0.00 99.93 16:58:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:58:01 2 0.10 0.00 0.05 0.00 0.00 99.85 16:58:01 3 0.55 0.00 0.03 0.00 0.00 99.42 16:59:01 all 0.20 0.00 0.05 0.00 0.00 99.76 16:59:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:59:01 1 0.10 0.00 0.05 0.00 0.00 99.85 16:59:01 2 0.12 0.00 0.05 0.00 0.00 99.83 16:59:01 3 0.53 0.00 0.05 0.00 0.00 99.42 17:00:01 all 0.15 0.00 0.08 0.00 0.00 99.78 17:00:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:00:01 1 0.33 0.00 0.13 0.00 0.00 99.53 17:00:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:00:01 3 0.15 0.00 0.07 0.00 0.00 99.78 17:01:01 all 0.06 0.00 0.05 0.00 0.00 99.89 17:01:01 0 0.05 0.00 0.07 0.00 0.00 99.88 17:01:01 1 0.08 0.00 0.07 0.00 0.00 99.85 17:01:01 2 0.05 0.00 0.05 0.02 0.00 99.88 17:01:01 3 0.07 0.00 0.07 0.00 0.00 99.87 17:02:01 all 0.05 0.00 0.05 0.00 0.00 99.89 17:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:02:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:02:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:02:01 3 0.05 0.00 0.07 0.00 0.00 99.88 17:03:01 all 0.17 0.00 0.05 0.00 0.00 99.78 17:03:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:03:01 1 0.52 0.00 0.05 0.00 0.00 99.43 17:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:03:01 3 0.07 0.00 0.08 0.00 0.00 99.85 Average: all 0.15 0.00 0.06 0.00 0.00 99.78 Average: 0 0.06 0.00 0.06 0.00 0.00 99.89 Average: 1 0.16 0.00 0.07 0.00 0.00 99.77 Average: 2 0.07 0.00 0.05 0.00 0.00 99.87 Average: 3 0.32 0.00 0.08 0.00 0.00 99.61