---> uname -a: Linux 28da75a7b1e7 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-130 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-130@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 605 70 0 1162 1127 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) 02/21/20 _x86_64_ (4 CPU) 03:40:09 LINUX RESTART 03:41:01 tps rtps wtps bread/s bwrtn/s 03:42:01 9.03 0.07 8.96 2.13 1850.49 03:43:01 2.22 0.00 2.22 0.00 73.43 03:44:01 0.32 0.00 0.32 0.00 4.03 03:45:01 0.27 0.00 0.27 0.00 2.98 03:46:01 0.25 0.00 0.25 0.00 2.98 03:47:01 0.33 0.00 0.33 0.00 4.96 03:48:01 0.25 0.00 0.25 0.00 2.83 03:49:01 0.28 0.00 0.28 0.00 3.25 03:50:01 0.28 0.00 0.28 0.00 3.88 Average: 1.47 0.01 1.46 0.24 216.56 03:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:42:01 115300 1767004 93.87 2620 1233312 936664 31.96 417736 1191020 20 03:43:01 119080 1763224 93.67 2620 1233316 894392 30.52 416860 1188872 20 03:44:01 118544 1763760 93.70 2620 1233324 894464 30.52 417336 1188872 8 03:45:01 118380 1763924 93.71 2620 1233324 894468 30.52 417476 1188872 8 03:46:01 120060 1762244 93.62 2620 1233328 894284 30.51 416384 1188872 8 03:47:01 120208 1762096 93.61 2620 1233336 894200 30.51 415976 1188868 8 03:48:01 129988 1752316 93.09 2620 1233340 894248 30.51 406120 1188708 8 03:49:01 130492 1751812 93.07 2620 1233348 894200 30.51 405952 1188708 12 03:50:01 130564 1751740 93.06 2620 1233352 894200 30.51 405804 1188708 8 Average: 122513 1759791 93.49 2620 1233331 899013 30.67 413294 1189056 11 03:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:42:01 eth0 0.43 0.15 0.04 0.08 0.00 0.00 0.00 03:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 eth0 7.30 5.58 7.92 0.38 0.00 0.00 0.00 03:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 eth0 1.35 0.32 0.35 0.20 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 eth0 0.55 0.30 0.27 0.20 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 eth0 0.25 0.17 0.08 0.07 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 eth0 0.53 0.08 0.04 0.01 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 eth0 0.20 0.13 0.07 0.01 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.20 0.77 0.98 0.11 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) 02/21/20 _x86_64_ (4 CPU) 03:40:09 LINUX RESTART 03:41:01 CPU %user %nice %system %iowait %steal %idle 03:42:01 all 0.21 0.00 0.11 0.00 0.00 99.67 03:42:01 0 0.08 0.00 0.08 0.00 0.00 99.83 03:42:01 1 0.13 0.00 0.05 0.00 0.00 99.82 03:42:01 2 0.57 0.00 0.18 0.00 0.00 99.25 03:42:01 3 0.05 0.00 0.10 0.00 0.00 99.85 03:43:01 all 0.18 0.00 0.07 0.00 0.00 99.75 03:43:01 0 0.15 0.00 0.10 0.00 0.00 99.75 03:43:01 1 0.20 0.00 0.07 0.00 0.00 99.73 03:43:01 2 0.23 0.00 0.08 0.00 0.00 99.68 03:43:01 3 0.12 0.00 0.05 0.00 0.00 99.83 03:44:01 all 0.17 0.00 0.05 0.00 0.00 99.78 03:44:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:44:01 1 0.33 0.00 0.03 0.00 0.00 99.63 03:44:01 2 0.25 0.00 0.08 0.00 0.00 99.67 03:44:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:45:01 all 0.20 0.00 0.04 0.00 0.00 99.76 03:45:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:45:01 1 0.60 0.00 0.03 0.00 0.02 99.35 03:45:01 2 0.10 0.00 0.07 0.00 0.02 99.82 03:45:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:46:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:46:01 1 0.55 0.00 0.05 0.00 0.00 99.40 03:46:01 2 0.05 0.00 0.07 0.00 0.00 99.88 03:46:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:47:01 all 0.19 0.00 0.05 0.00 0.00 99.75 03:47:01 0 0.05 0.00 0.02 0.00 0.00 99.93 03:47:01 1 0.57 0.00 0.07 0.00 0.00 99.37 03:47:01 2 0.10 0.00 0.07 0.00 0.00 99.83 03:47:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:48:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:48:01 1 0.32 0.00 0.05 0.00 0.00 99.63 03:48:01 2 0.32 0.00 0.07 0.00 0.00 99.62 03:48:01 3 0.03 0.00 0.05 0.00 0.00 99.92 03:49:01 all 0.18 0.00 0.05 0.00 0.00 99.76 03:49:01 0 0.05 0.00 0.05 0.00 0.02 99.88 03:49:01 1 0.07 0.00 0.05 0.00 0.00 99.88 03:49:01 2 0.55 0.00 0.07 0.00 0.00 99.38 03:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:50:01 all 0.18 0.00 0.04 0.00 0.00 99.78 03:50:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:50:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:50:01 2 0.55 0.00 0.03 0.00 0.00 99.42 03:50:01 3 0.07 0.00 0.05 0.00 0.02 99.87 Average: all 0.18 0.00 0.06 0.00 0.00 99.76 Average: 0 0.06 0.00 0.05 0.00 0.00 99.89 Average: 1 0.31 0.00 0.05 0.00 0.00 99.64 Average: 2 0.30 0.00 0.08 0.00 0.00 99.62 Average: 3 0.06 0.00 0.05 0.00 0.00 99.89