---> uname -a: Linux 9fe17bc7e324 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 6.4G 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/exfoundry_go-mod-bootstrap_PR-59 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-59@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 603 76 0 1157 1130 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) 03/26/20 _x86_64_ (4 CPU) 23:04:25 LINUX RESTART 23:05:01 tps rtps wtps bread/s bwrtn/s 23:06:01 39.18 9.41 29.77 2130.94 2359.07 23:07:01 2.68 0.00 2.68 0.00 91.69 23:08:01 0.25 0.00 0.25 0.00 3.46 23:09:01 0.27 0.00 0.27 0.00 2.56 23:10:01 114.94 76.66 38.28 4135.06 16510.64 Average: 31.47 17.22 14.25 1253.45 3794.24 23:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:06:01 121180 1761124 93.56 2620 1219640 931864 31.79 438096 1164380 20 23:07:01 127280 1755024 93.24 2620 1219648 904576 30.86 433364 1164084 16 23:08:01 126360 1755944 93.29 2620 1219652 904808 30.87 434584 1164052 16 23:09:01 127624 1754680 93.22 2620 1219652 904580 30.86 433124 1164052 16 23:10:01 113032 1769272 94.00 2620 1196000 906884 30.94 412432 1165260 101584 Average: 123095 1759209 93.46 2620 1214918 910542 31.07 430320 1164366 20330 23:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:06:01 eth0 166.33 127.86 537.46 54.44 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 1.47 1.20 0.28 1.98 0.00 0.00 0.00 23:07:01 eth0 1.27 0.15 0.18 0.03 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 1.18 0.72 0.56 0.37 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 eth0 0.12 0.10 0.01 0.04 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 98.17 81.05 2329.12 10.80 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 Average: eth0 53.42 41.98 573.58 13.14 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.29 0.24 0.06 0.40 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) 03/26/20 _x86_64_ (4 CPU) 23:04:25 LINUX RESTART 23:05:01 CPU %user %nice %system %iowait %steal %idle 23:06:01 all 5.35 0.00 1.63 0.72 0.00 92.30 23:06:01 0 5.20 0.00 1.61 0.08 0.00 93.11 23:06:01 1 6.99 0.00 1.42 0.03 0.00 91.55 23:06:01 2 3.99 0.00 1.78 0.12 0.02 94.10 23:06:01 3 5.24 0.00 1.74 2.63 0.02 90.38 23:07:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:07:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:07:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:07:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:07:01 3 0.55 0.00 0.05 0.00 0.00 99.40 23:08:01 all 0.20 0.00 0.04 0.00 0.00 99.77 23:08:01 0 0.05 0.00 0.02 0.00 0.00 99.93 23:08:01 1 0.05 0.00 0.02 0.00 0.02 99.92 23:08:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:08:01 3 0.62 0.00 0.05 0.00 0.00 99.33 23:09:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:09:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:09:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:09:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:09:01 3 0.52 0.00 0.03 0.00 0.00 99.45 23:10:01 all 4.97 0.00 2.61 1.30 0.01 91.11 23:10:01 0 4.13 0.00 2.78 0.40 0.02 92.67 23:10:01 1 4.97 0.00 2.16 0.28 0.00 92.59 23:10:01 2 5.19 0.00 2.91 1.44 0.02 90.45 23:10:01 3 5.63 0.00 2.60 3.08 0.02 88.67 Average: all 2.17 0.00 0.87 0.40 0.01 96.55 Average: 0 1.88 0.00 0.89 0.10 0.00 97.13 Average: 1 2.42 0.00 0.74 0.06 0.00 96.77 Average: 2 1.87 0.00 0.97 0.31 0.01 96.84 Average: 3 2.50 0.00 0.89 1.14 0.01 95.46