---> uname -a: Linux 6fd7f909922b 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-134 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-134@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 599 76 0 1162 1133 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) 04/07/20 _x86_64_ (4 CPU) 23:38:05 LINUX RESTART 23:39:01 tps rtps wtps bread/s bwrtn/s 23:40:01 15.77 1.96 13.81 424.95 1906.32 23:41:01 2.25 0.02 2.23 0.53 53.48 23:42:02 0.40 0.00 0.40 0.00 5.85 23:43:01 0.17 0.00 0.17 0.00 1.63 23:44:01 0.28 0.00 0.28 0.00 3.66 23:45:01 57.61 51.72 5.89 3504.34 4090.10 Average: 12.79 8.98 3.81 656.98 1013.33 23:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:40:01 107184 1775120 94.31 2620 1235460 981056 33.47 438316 1177664 16 23:41:01 118624 1763680 93.70 2620 1235464 907232 30.95 430624 1175696 8 23:42:02 117360 1764944 93.77 2620 1235472 907364 30.96 431580 1175696 8 23:43:01 118876 1763428 93.68 2620 1235472 903120 30.81 430312 1175696 16 23:44:01 118504 1763800 93.70 2620 1235484 903192 30.82 430580 1175696 16 23:45:01 71000 1811304 96.23 2620 1241204 1113232 37.98 466308 1179224 103892 Average: 108591 1773713 94.23 2620 1236426 952533 32.50 437953 1176612 17326 23:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:40:01 eth0 25.55 20.98 28.58 25.39 0.00 0.00 0.00 23:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 docker0 1.58 1.25 0.27 2.94 0.00 0.00 0.00 23:41:01 eth0 1.10 0.15 0.20 0.01 0.00 0.00 0.00 23:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:02 eth0 1.00 0.65 0.62 0.40 0.00 0.00 0.00 23:42:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 23:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 eth0 0.22 0.15 0.13 0.07 0.00 0.00 0.00 23:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 eth0 91.70 69.18 2326.76 9.48 0.00 0.00 0.00 23:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.00 15.24 393.91 5.91 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.21 0.04 0.49 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) 04/07/20 _x86_64_ (4 CPU) 23:38:05 LINUX RESTART 23:39:01 CPU %user %nice %system %iowait %steal %idle 23:40:01 all 2.32 0.00 1.94 0.06 5.12 90.55 23:40:01 0 1.76 0.00 1.60 0.03 5.37 91.23 23:40:01 1 1.94 0.00 1.63 0.05 5.54 90.83 23:40:01 2 3.25 0.00 2.26 0.10 4.55 89.84 23:40:01 3 2.34 0.00 2.25 0.08 5.03 90.30 23:41:01 all 0.12 0.00 0.13 0.00 0.36 99.38 23:41:01 0 0.02 0.00 0.13 0.00 0.32 99.53 23:41:01 1 0.10 0.00 0.12 0.00 0.32 99.47 23:41:01 2 0.05 0.00 0.15 0.00 0.13 99.67 23:41:01 3 0.33 0.00 0.15 0.00 0.65 98.87 23:42:02 all 0.14 0.00 0.07 0.00 0.23 99.55 23:42:02 0 0.05 0.00 0.03 0.00 0.17 99.75 23:42:02 1 0.43 0.00 0.05 0.00 0.28 99.23 23:42:02 2 0.03 0.00 0.05 0.00 0.27 99.65 23:42:02 3 0.03 0.00 0.15 0.00 0.22 99.60 23:43:01 all 0.13 0.00 0.05 0.00 0.05 99.77 23:43:01 0 0.08 0.00 0.07 0.00 0.10 99.75 23:43:01 1 0.32 0.00 0.03 0.00 0.05 99.59 23:43:01 2 0.05 0.00 0.03 0.00 0.03 99.88 23:43:01 3 0.03 0.00 0.05 0.00 0.02 99.90 23:44:01 all 0.15 0.00 0.05 0.00 0.09 99.71 23:44:01 0 0.07 0.00 0.05 0.00 0.13 99.75 23:44:01 1 0.37 0.00 0.05 0.00 0.08 99.50 23:44:01 2 0.07 0.00 0.03 0.00 0.10 99.80 23:44:01 3 0.12 0.00 0.07 0.00 0.03 99.78 23:45:01 all 1.64 0.00 1.03 1.54 2.33 93.47 23:45:01 0 1.61 0.00 1.33 1.81 2.40 92.84 23:45:01 1 1.14 0.00 0.67 0.23 2.23 95.73 23:45:01 2 1.42 0.00 1.12 2.87 2.25 92.33 23:45:01 3 2.39 0.00 1.04 1.23 2.42 92.93 Average: all 0.75 0.00 0.55 0.27 1.38 97.05 Average: 0 0.60 0.00 0.54 0.31 1.43 97.12 Average: 1 0.72 0.00 0.43 0.05 1.43 97.36 Average: 2 0.82 0.00 0.61 0.50 1.23 96.84 Average: 3 0.88 0.00 0.62 0.22 1.40 96.88