---> uname -a: Linux 2b3878e09235 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/exfoundry_go-mod-bootstrap_PR-45 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-45@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 616 67 0 1154 1117 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) 02/10/20 _x86_64_ (4 CPU) 17:10:54 LINUX RESTART 17:12:01 tps rtps wtps bread/s bwrtn/s 17:13:01 2.75 0.02 2.73 0.53 108.96 17:14:01 0.27 0.00 0.27 0.00 3.50 17:15:01 0.28 0.00 0.28 0.00 3.93 17:16:01 0.30 0.00 0.30 0.00 3.88 17:17:01 0.45 0.00 0.45 0.00 5.73 17:18:02 0.70 0.00 0.70 0.00 8.51 Average: 0.79 0.00 0.79 0.09 22.42 17:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:13:01 130888 1751416 93.05 2620 1201616 908668 31.00 432516 1163140 8 17:14:01 129924 1752380 93.10 2620 1201624 908752 31.01 433436 1162840 16 17:15:01 128768 1753536 93.16 2620 1201632 908924 31.01 435164 1161776 8 17:16:01 129268 1753036 93.13 2620 1201632 908948 31.01 435348 1161776 8 17:17:01 129404 1752900 93.13 2620 1201640 908864 31.01 434920 1161776 8 17:18:02 130268 1752036 93.08 2620 1201644 908744 31.01 434260 1161772 12 Average: 129753 1752551 93.11 2620 1201631 908817 31.01 434274 1162180 10 17:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:13:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 eth0 0.88 0.42 0.35 0.03 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 eth0 2.11 0.70 0.63 1.29 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 eth0 0.53 0.43 0.27 0.21 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:01 eth0 0.35 0.25 0.17 0.08 0.00 0.00 0.00 17:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:02 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 17:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.68 0.32 0.24 0.27 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) 02/10/20 _x86_64_ (4 CPU) 17:10:54 LINUX RESTART 17:12:01 CPU %user %nice %system %iowait %steal %idle 17:13:01 all 0.08 0.00 0.07 0.00 0.00 99.85 17:13:01 0 0.05 0.00 0.05 0.00 0.02 99.88 17:13:01 1 0.10 0.00 0.10 0.00 0.00 99.80 17:13:01 2 0.08 0.00 0.05 0.00 0.02 99.85 17:13:01 3 0.05 0.00 0.05 0.00 0.02 99.88 17:14:01 all 0.08 0.00 0.06 0.00 0.00 99.86 17:14:01 0 0.07 0.00 0.07 0.00 0.00 99.87 17:14:01 1 0.07 0.00 0.07 0.00 0.00 99.87 17:14:01 2 0.10 0.00 0.08 0.00 0.00 99.82 17:14:01 3 0.07 0.00 0.05 0.00 0.00 99.88 17:15:01 all 0.19 0.00 0.08 0.00 0.00 99.73 17:15:01 0 0.08 0.00 0.07 0.00 0.00 99.85 17:15:01 1 0.53 0.00 0.10 0.00 0.00 99.37 17:15:01 2 0.13 0.00 0.07 0.00 0.00 99.80 17:15:01 3 0.02 0.00 0.03 0.00 0.00 99.95 17:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:16:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:16:01 1 0.55 0.00 0.05 0.00 0.00 99.40 17:16:01 2 0.08 0.00 0.07 0.00 0.00 99.85 17:16:01 3 0.07 0.00 0.05 0.00 0.00 99.88 17:17:01 all 0.18 0.00 0.04 0.00 0.00 99.77 17:17:01 0 0.10 0.00 0.05 0.00 0.00 99.85 17:17:01 1 0.53 0.00 0.02 0.00 0.00 99.45 17:17:01 2 0.07 0.00 0.07 0.00 0.00 99.87 17:17:01 3 0.03 0.00 0.05 0.00 0.00 99.92 17:18:02 all 0.18 0.00 0.05 0.00 0.00 99.76 17:18:02 0 0.35 0.00 0.05 0.00 0.00 99.60 17:18:02 1 0.25 0.00 0.05 0.00 0.00 99.70 17:18:02 2 0.10 0.00 0.08 0.00 0.00 99.82 17:18:02 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.15 0.00 0.06 0.00 0.00 99.79 Average: 0 0.12 0.00 0.05 0.00 0.00 99.83 Average: 1 0.34 0.00 0.06 0.00 0.00 99.60 Average: 2 0.09 0.00 0.07 0.00 0.00 99.83 Average: 3 0.04 0.00 0.04 0.00 0.00 99.91