---> uname -a: Linux 91ade822d672 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 6.3G 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-64 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-64@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 588 68 0 1180 1144 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) 04/09/20 _x86_64_ (4 CPU) 21:41:46 LINUX RESTART 21:42:01 tps rtps wtps bread/s bwrtn/s 21:43:02 138.55 60.09 78.46 6218.51 38834.00 21:44:01 4.08 0.00 4.08 0.00 129.99 21:45:01 0.27 0.00 0.27 0.00 3.88 21:46:01 0.33 0.00 0.33 0.00 3.38 21:47:01 107.73 72.14 35.58 4145.59 17092.36 Average: 50.36 26.54 23.82 2080.37 11253.47 21:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:43:02 112500 1769804 94.02 2620 1240284 940092 32.08 418320 1190104 12 21:44:01 120452 1761852 93.60 2620 1240320 903260 30.82 414852 1188924 20 21:45:01 119336 1762968 93.66 2620 1240328 903392 30.82 417748 1187252 8 21:46:01 120496 1761808 93.60 2620 1240328 903188 30.82 416408 1187252 8 21:47:01 72888 1809416 96.13 2620 1217156 1105904 37.73 461852 1158500 64572 Average: 109134 1773170 94.20 2620 1235683 951167 32.45 425836 1182406 12924 21:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:43:02 eth0 445.24 260.85 1000.70 85.85 0.00 0.00 0.00 21:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:02 docker0 1.53 1.31 0.30 2.38 0.00 0.00 0.00 21:44:01 eth0 4.15 1.47 2.69 0.12 0.00 0.00 0.00 21:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 eth0 1.65 0.83 0.82 0.56 0.00 0.00 0.00 21:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 eth0 106.09 85.50 2324.86 9.57 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 111.85 70.00 668.17 19.30 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 0.26 0.06 0.48 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) 04/09/20 _x86_64_ (4 CPU) 21:41:46 LINUX RESTART 21:42:01 CPU %user %nice %system %iowait %steal %idle 21:43:02 all 13.57 0.00 6.89 7.09 0.01 72.44 21:43:02 0 14.16 0.00 7.34 7.89 0.02 70.59 21:43:02 1 13.65 0.00 7.46 5.31 0.02 73.56 21:43:02 2 13.37 0.00 6.17 7.38 0.02 73.06 21:43:02 3 13.11 0.00 6.57 7.79 0.02 72.52 21:44:01 all 0.07 0.00 0.07 0.00 0.00 99.86 21:44:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:44:01 1 0.05 0.00 0.08 0.00 0.00 99.86 21:44:01 2 0.10 0.00 0.05 0.00 0.00 99.85 21:44:01 3 0.05 0.00 0.07 0.00 0.00 99.88 21:45:01 all 0.08 0.00 0.05 0.00 0.00 99.87 21:45:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:45:01 1 0.10 0.00 0.07 0.00 0.00 99.83 21:45:01 2 0.10 0.00 0.05 0.00 0.00 99.85 21:45:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:46:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:46:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:46:01 3 0.53 0.00 0.05 0.00 0.00 99.42 21:47:01 all 4.47 0.00 2.33 1.50 0.00 91.70 21:47:01 0 4.43 0.00 2.36 1.46 0.00 91.75 21:47:01 1 4.30 0.00 2.16 0.84 0.02 92.68 21:47:01 2 4.77 0.00 2.71 1.63 0.00 90.89 21:47:01 3 4.35 0.00 2.08 2.09 0.00 91.48 Average: all 3.66 0.00 1.87 1.72 0.00 92.74 Average: 0 3.74 0.00 1.96 1.87 0.00 92.43 Average: 1 3.63 0.00 1.96 1.23 0.01 93.17 Average: 2 3.68 0.00 1.81 1.80 0.00 92.71 Average: 3 3.61 0.00 1.76 1.97 0.00 92.66