---> uname -a: Linux aaef9212ba18 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 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-132 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-132@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 77 0 1154 1127 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) 03/25/20 _x86_64_ (4 CPU) 02:13:38 LINUX RESTART 02:14:01 tps rtps wtps bread/s bwrtn/s 02:15:01 88.59 34.90 53.69 4744.24 18443.05 02:16:01 3.65 0.00 3.65 0.00 114.89 02:17:01 0.27 0.00 0.27 0.00 3.53 02:18:01 0.28 0.00 0.28 0.00 3.60 02:19:01 0.23 0.00 0.23 0.00 3.33 02:20:01 0.63 0.00 0.63 0.00 6.93 02:21:01 0.70 0.00 0.70 0.00 7.56 02:22:01 0.40 0.00 0.40 0.00 6.10 02:23:01 0.25 0.00 0.25 0.00 2.93 Average: 10.57 3.88 6.68 527.73 2068.08 02:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:15:01 113724 1768580 93.96 2620 1226424 932084 31.80 441896 1166944 16 02:16:01 121456 1760848 93.55 2620 1226360 899816 30.70 437180 1166996 20 02:17:01 121324 1760980 93.55 2620 1226364 899780 30.70 437080 1166984 16 02:18:01 121604 1760700 93.54 2620 1226372 899756 30.70 437016 1166984 12 02:19:01 122396 1759908 93.50 2620 1226376 899648 30.70 436296 1166984 8 02:20:01 121688 1760616 93.54 2620 1226380 899732 30.70 436628 1166984 8 02:21:01 122248 1760056 93.51 2620 1226384 899648 30.70 436340 1166980 8 02:22:01 122960 1759344 93.47 2620 1226388 899648 30.70 435820 1166836 8 02:23:01 122876 1759428 93.47 2620 1226396 899648 30.70 435748 1166836 8 Average: 121142 1761162 93.56 2620 1226383 903307 30.82 437112 1166948 12 02:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:15:01 eth0 464.20 324.15 1004.44 90.88 0.00 0.00 0.00 02:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 docker0 1.61 1.31 0.26 2.86 0.00 0.00 0.00 02:16:01 eth0 0.95 0.33 0.31 0.20 0.00 0.00 0.00 02:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 eth0 1.63 0.37 0.36 0.17 0.00 0.00 0.00 02:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:18:01 eth0 0.62 0.40 0.28 0.23 0.00 0.00 0.00 02:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 02:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 eth0 0.33 0.22 0.14 0.07 0.00 0.00 0.00 02:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 02:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 02:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 02:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 52.07 36.24 111.85 10.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.18 0.15 0.03 0.32 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) 03/25/20 _x86_64_ (4 CPU) 02:13:38 LINUX RESTART 02:14:01 CPU %user %nice %system %iowait %steal %idle 02:15:01 all 13.84 0.00 6.48 2.41 0.15 77.11 02:15:01 0 13.07 0.00 7.55 2.09 0.17 77.12 02:15:01 1 12.47 0.00 6.11 2.73 0.17 78.52 02:15:01 2 15.34 0.00 5.62 1.52 0.15 77.37 02:15:01 3 14.47 0.00 6.63 3.34 0.13 75.43 02:16:01 all 0.21 0.00 0.06 0.00 0.00 99.72 02:16:01 0 0.10 0.00 0.05 0.00 0.00 99.85 02:16:01 1 0.45 0.00 0.05 0.00 0.00 99.50 02:16:01 2 0.22 0.00 0.08 0.00 0.00 99.70 02:16:01 3 0.10 0.00 0.07 0.00 0.02 99.82 02:17:01 all 0.18 0.00 0.05 0.00 0.00 99.77 02:17:01 0 0.08 0.00 0.03 0.00 0.00 99.88 02:17:01 1 0.07 0.00 0.07 0.00 0.00 99.87 02:17:01 2 0.45 0.00 0.05 0.00 0.00 99.50 02:17:01 3 0.10 0.00 0.05 0.00 0.00 99.85 02:18:01 all 0.18 0.00 0.06 0.00 0.00 99.76 02:18:01 0 0.05 0.00 0.05 0.00 0.00 99.90 02:18:01 1 0.08 0.00 0.08 0.00 0.02 99.82 02:18:01 2 0.55 0.00 0.05 0.00 0.00 99.40 02:18:01 3 0.05 0.00 0.03 0.00 0.00 99.92 02:19:01 all 0.17 0.00 0.05 0.00 0.00 99.78 02:19:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:19:01 1 0.08 0.00 0.05 0.00 0.00 99.87 02:19:01 2 0.47 0.00 0.05 0.00 0.00 99.48 02:19:01 3 0.08 0.00 0.05 0.00 0.00 99.87 02:20:01 all 0.17 0.00 0.04 0.00 0.00 99.79 02:20:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:20:01 1 0.08 0.00 0.05 0.00 0.00 99.87 02:20:01 2 0.52 0.00 0.03 0.00 0.00 99.45 02:20:01 3 0.05 0.00 0.05 0.00 0.00 99.90 02:21:01 all 0.18 0.00 0.04 0.00 0.00 99.77 02:21:01 0 0.07 0.00 0.03 0.00 0.00 99.90 02:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 02:21:01 2 0.57 0.00 0.05 0.00 0.00 99.38 02:21:01 3 0.05 0.00 0.03 0.00 0.00 99.92 02:22:01 all 0.18 0.00 0.04 0.00 0.00 99.78 02:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:22:01 1 0.05 0.00 0.05 0.00 0.00 99.90 02:22:01 2 0.55 0.00 0.03 0.00 0.00 99.42 02:22:01 3 0.07 0.00 0.05 0.00 0.00 99.88 02:23:01 all 0.18 0.00 0.04 0.00 0.00 99.79 02:23:01 0 0.05 0.00 0.05 0.00 0.00 99.90 02:23:01 1 0.02 0.00 0.02 0.00 0.00 99.97 02:23:01 2 0.55 0.00 0.03 0.00 0.00 99.42 02:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 1.68 0.00 0.75 0.27 0.02 97.28 Average: 0 1.49 0.00 0.87 0.23 0.02 97.39 Average: 1 1.47 0.00 0.72 0.30 0.02 97.49 Average: 2 2.12 0.00 0.66 0.17 0.02 97.04 Average: 3 1.65 0.00 0.77 0.37 0.02 97.19