---> uname -a: Linux 3e27a8947655 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 600 67 0 1170 1133 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) 01/29/20 _x86_64_ (4 CPU) 23:06:19 LINUX RESTART 23:07:02 tps rtps wtps bread/s bwrtn/s 23:08:01 43.98 9.50 34.48 2294.52 3322.36 23:09:01 4.21 0.00 4.21 0.00 125.90 23:10:01 0.40 0.00 0.40 0.00 5.31 23:11:01 0.23 0.00 0.23 0.00 3.05 23:12:01 0.20 0.00 0.20 0.00 2.91 23:13:01 0.38 0.00 0.38 0.00 4.98 Average: 8.15 1.56 6.58 377.68 570.61 23:07:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:08:01 101944 1780360 94.58 2620 1236324 979300 33.41 447776 1171580 32 23:09:01 109888 1772416 94.16 2620 1236276 951672 32.47 442960 1171284 8 23:10:01 114672 1767632 93.91 2620 1236284 907468 30.96 438784 1171284 20 23:11:01 116448 1765856 93.81 2620 1236284 893076 30.47 437452 1171284 16 23:12:01 116052 1766252 93.83 2620 1236292 893140 30.47 437952 1171284 16 23:13:01 116644 1765660 93.80 2620 1236296 893076 30.47 437368 1171284 16 Average: 112608 1769696 94.02 2620 1236293 919622 31.38 440382 1171333 18 23:07:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:08:01 eth0 99.37 88.17 529.76 54.62 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 1.91 1.37 0.23 1.24 0.00 0.00 0.00 23:09:01 eth0 2.35 0.77 0.85 0.40 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 0.65 0.42 0.28 0.21 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 0.25 0.22 0.08 0.07 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.93 14.77 87.40 9.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.31 0.23 0.04 0.20 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) 01/29/20 _x86_64_ (4 CPU) 23:06:19 LINUX RESTART 23:07:02 CPU %user %nice %system %iowait %steal %idle 23:08:01 all 4.81 0.00 2.45 1.11 8.05 83.59 23:08:01 0 3.97 0.00 2.51 0.23 9.49 83.80 23:08:01 1 5.79 0.00 2.24 1.20 7.47 83.30 23:08:01 2 4.46 0.00 2.51 0.62 7.97 84.44 23:08:01 3 5.04 0.00 2.58 2.41 7.23 82.73 23:09:01 all 0.14 0.00 0.06 0.00 0.28 99.52 23:09:01 0 0.33 0.00 0.07 0.00 0.53 99.07 23:09:01 1 0.10 0.00 0.07 0.00 0.07 99.77 23:09:01 2 0.08 0.00 0.07 0.00 0.23 99.62 23:09:01 3 0.07 0.00 0.05 0.00 0.28 99.60 23:10:01 all 0.15 0.00 0.06 0.00 0.13 99.66 23:10:01 0 0.12 0.00 0.07 0.00 0.13 99.68 23:10:01 1 0.05 0.00 0.08 0.00 0.17 99.70 23:10:01 2 0.08 0.00 0.03 0.00 0.10 99.78 23:10:01 3 0.33 0.00 0.05 0.00 0.10 99.52 23:11:01 all 0.08 0.00 0.04 0.00 0.06 99.82 23:11:01 0 0.05 0.00 0.03 0.00 0.05 99.87 23:11:01 1 0.05 0.00 0.05 0.00 0.12 99.78 23:11:01 2 0.07 0.00 0.05 0.00 0.03 99.85 23:11:01 3 0.17 0.00 0.03 0.00 0.03 99.77 23:12:01 all 0.15 0.00 0.05 0.00 0.05 99.75 23:12:01 0 0.40 0.00 0.05 0.00 0.03 99.52 23:12:01 1 0.05 0.00 0.05 0.00 0.02 99.88 23:12:01 2 0.08 0.00 0.05 0.00 0.10 99.77 23:12:01 3 0.03 0.00 0.07 0.00 0.07 99.83 23:13:01 all 0.10 0.00 0.04 0.00 0.25 99.61 23:13:01 0 0.28 0.00 0.03 0.00 0.20 99.48 23:13:01 1 0.03 0.00 0.03 0.00 0.23 99.70 23:13:01 2 0.03 0.00 0.05 0.00 0.15 99.77 23:13:01 3 0.08 0.00 0.05 0.00 0.43 99.43 Average: all 0.90 0.00 0.45 0.18 1.46 97.01 Average: 0 0.86 0.00 0.46 0.04 1.73 96.91 Average: 1 1.00 0.00 0.42 0.20 1.34 97.05 Average: 2 0.80 0.00 0.46 0.10 1.43 97.21 Average: 3 0.95 0.00 0.47 0.40 1.35 96.84