---> uname -a: Linux c86192a5ec53 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 605 73 0 1159 1128 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) 01/29/20 _x86_64_ (4 CPU) 23:46:43 LINUX RESTART 23:47:02 tps rtps wtps bread/s bwrtn/s 23:48:01 103.81 37.65 66.15 4917.92 29074.33 23:49:01 3.85 0.00 3.85 0.00 113.47 23:50:01 0.73 0.00 0.73 0.00 8.81 23:51:01 0.63 0.00 0.63 0.00 7.79 23:52:01 0.67 0.00 0.67 0.00 8.09 23:53:01 0.72 0.03 0.68 0.67 7.86 Average: 18.17 6.20 11.98 808.86 4805.66 23:47:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:48:01 115032 1767272 93.89 2620 1229116 933240 31.84 433868 1173144 16 23:49:01 124172 1758132 93.40 2620 1229332 900688 30.73 428220 1173124 8 23:50:01 123632 1758672 93.43 2620 1229340 893696 30.49 428860 1173112 8 23:51:01 123240 1759064 93.45 2620 1229340 893744 30.49 429092 1173112 8 23:52:01 124920 1757384 93.36 2620 1229348 893492 30.49 427608 1173112 8 23:53:01 123816 1758488 93.42 2620 1229352 896024 30.57 428944 1173112 8 Average: 122469 1759835 93.49 2620 1229305 901814 30.77 429432 1173119 9 23:47:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:48:01 eth0 391.91 263.38 993.31 87.49 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.83 0.74 0.17 1.15 0.00 0.00 0.00 23:49:01 eth0 2.15 0.57 1.42 0.07 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 0.78 0.40 0.29 0.21 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.38 0.35 0.26 0.20 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 23:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 65.06 43.58 163.69 14.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.14 0.12 0.03 0.19 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) 23:46:43 LINUX RESTART 23:47:02 CPU %user %nice %system %iowait %steal %idle 23:48:01 all 14.19 0.00 5.83 6.93 0.02 73.03 23:48:01 0 13.73 0.00 5.77 5.09 0.02 75.40 23:48:01 1 15.28 0.00 5.53 6.58 0.02 72.59 23:48:01 2 14.72 0.00 5.57 5.30 0.03 74.38 23:48:01 3 13.00 0.00 6.48 10.75 0.03 69.74 23:49:01 all 0.13 0.00 0.08 0.00 0.00 99.79 23:49:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:49:01 1 0.07 0.00 0.08 0.00 0.00 99.85 23:49:01 2 0.33 0.00 0.12 0.00 0.00 99.55 23:49:01 3 0.08 0.00 0.08 0.00 0.00 99.83 23:50:01 all 0.20 0.00 0.05 0.00 0.00 99.75 23:50:01 0 0.08 0.00 0.05 0.00 0.00 99.87 23:50:01 1 0.08 0.00 0.05 0.00 0.00 99.87 23:50:01 2 0.53 0.00 0.03 0.00 0.00 99.43 23:50:01 3 0.12 0.00 0.07 0.00 0.00 99.82 23:51:01 all 0.19 0.00 0.07 0.00 0.00 99.74 23:51:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:51:01 1 0.08 0.00 0.08 0.00 0.00 99.83 23:51:01 2 0.58 0.00 0.10 0.00 0.00 99.32 23:51:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:52:01 all 0.20 0.00 0.05 0.00 0.00 99.75 23:52:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:52:01 1 0.12 0.00 0.08 0.00 0.00 99.80 23:52:01 2 0.53 0.00 0.03 0.00 0.00 99.43 23:52:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:53:01 all 0.19 0.00 0.04 0.00 0.00 99.76 23:53:01 0 0.10 0.00 0.08 0.00 0.00 99.82 23:53:01 1 0.42 0.00 0.03 0.00 0.00 99.55 23:53:01 2 0.18 0.00 0.03 0.00 0.00 99.78 23:53:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 2.47 0.00 1.00 1.13 0.00 95.40 Average: 0 2.30 0.00 0.99 0.83 0.00 95.88 Average: 1 2.63 0.00 0.96 1.08 0.00 95.33 Average: 2 2.76 0.00 0.96 0.86 0.01 95.41 Average: 3 2.18 0.00 1.10 1.75 0.01 94.97