---> uname -a: Linux c0248ba05338 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: 2933.442 BogoMIPS: 5866.88 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-66 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-66@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 608 71 0 1158 1125 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) 04/10/20 _x86_64_ (4 CPU) 22:37:21 LINUX RESTART 22:38:02 tps rtps wtps bread/s bwrtn/s 22:39:01 39.28 6.59 32.70 1881.07 2382.70 22:40:01 2.45 0.00 2.45 0.00 86.16 22:41:01 0.23 0.00 0.23 0.00 3.11 22:42:01 0.30 0.00 0.30 0.00 3.78 22:43:01 76.29 54.82 21.47 3583.37 8211.89 Average: 23.68 12.31 11.36 1091.14 2138.75 22:38:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:01 111916 1770388 94.05 2620 1224928 939832 32.07 434848 1177372 16 22:40:01 118200 1764104 93.72 2620 1224940 904208 30.85 429976 1177052 8 22:41:01 116816 1765488 93.79 2620 1224944 904472 30.86 431652 1176980 12 22:42:01 118024 1764280 93.73 2620 1224944 904208 30.85 430324 1176928 12 22:43:01 68852 1813452 96.34 2620 1208556 1104532 37.69 489580 1135924 104936 Average: 106762 1775542 94.33 2620 1221662 951450 32.46 443276 1168851 20997 22:38:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:39:01 eth0 132.04 94.65 459.54 44.82 0.00 0.00 0.00 22:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 docker0 1.30 1.13 0.29 2.47 0.00 0.00 0.00 22:40:01 eth0 0.77 0.08 0.06 0.02 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 eth0 1.25 0.57 0.56 0.36 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 22:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 eth0 109.43 86.95 2325.36 10.41 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 48.47 36.30 558.02 11.02 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.22 0.06 0.49 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) 04/10/20 _x86_64_ (4 CPU) 22:37:21 LINUX RESTART 22:38:02 CPU %user %nice %system %iowait %steal %idle 22:39:01 all 3.81 0.00 1.60 1.15 0.00 93.43 22:39:01 0 3.66 0.00 1.82 0.51 0.00 94.01 22:39:01 1 4.47 0.00 1.38 0.08 0.00 94.07 22:39:01 2 3.37 0.00 1.60 0.14 0.00 94.90 22:39:01 3 3.76 0.00 1.65 3.88 0.02 90.69 22:40:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:40:01 1 0.52 0.00 0.03 0.00 0.00 99.45 22:40:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:40:01 3 0.05 0.00 0.05 0.00 0.00 99.90 22:41:01 all 0.16 0.00 0.06 0.00 0.00 99.77 22:41:01 0 0.05 0.00 0.03 0.00 0.02 99.90 22:41:01 1 0.47 0.00 0.12 0.00 0.00 99.42 22:41:01 2 0.08 0.00 0.05 0.00 0.00 99.87 22:41:01 3 0.07 0.00 0.07 0.00 0.02 99.85 22:42:01 all 0.05 0.00 0.05 0.00 0.00 99.90 22:42:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:42:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:42:01 2 0.05 0.00 0.07 0.00 0.00 99.88 22:42:01 3 0.07 0.00 0.08 0.00 0.00 99.85 22:43:01 all 3.17 0.00 1.80 1.29 0.01 93.74 22:43:01 0 2.73 0.00 2.04 0.84 0.00 94.40 22:43:01 1 2.49 0.00 1.59 0.72 0.02 95.19 22:43:01 2 3.41 0.00 1.85 2.81 0.00 91.94 22:43:01 3 4.08 0.00 1.69 0.79 0.00 93.45 Average: all 1.46 0.00 0.71 0.48 0.00 97.34 Average: 0 1.29 0.00 0.79 0.27 0.00 97.66 Average: 1 1.59 0.00 0.63 0.16 0.00 97.62 Average: 2 1.39 0.00 0.72 0.59 0.00 97.30 Average: 3 1.59 0.00 0.70 0.92 0.01 96.77