---> uname -a: Linux 87a16a173223 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: 2933.396 BogoMIPS: 5866.79 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 595 78 0 1163 1137 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) 01/22/20 _x86_64_ (4 CPU) 18:13:45 LINUX RESTART 18:15:01 tps rtps wtps bread/s bwrtn/s 18:16:01 3.65 0.00 3.65 0.00 112.08 18:17:01 0.48 0.00 0.48 0.00 4.50 18:18:01 0.72 0.00 0.72 0.00 8.24 18:19:01 0.70 0.00 0.70 0.00 8.53 18:20:02 65.38 49.99 15.39 3420.62 7896.94 Average: 14.19 10.00 4.19 684.19 1606.21 18:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:16:01 116996 1765308 93.78 2620 1235836 912492 31.13 434180 1174128 12 18:17:01 116688 1765616 93.80 2620 1235840 912492 31.13 434572 1173836 8 18:18:01 115212 1767092 93.88 2620 1235848 912772 31.14 435844 1173836 0 18:19:01 116156 1766148 93.83 2620 1235848 912664 31.14 435164 1173836 8 18:20:02 114636 1767668 93.91 2620 1212516 993712 33.90 414004 1182092 7552 Average: 115938 1766366 93.84 2620 1231178 928826 31.69 430753 1175546 1516 18:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:16:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 0.57 0.08 0.04 0.01 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 1.12 0.47 0.32 0.21 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 0.52 0.30 0.27 0.20 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:02 eth0 82.06 67.21 2107.92 7.61 0.00 0.00 0.00 18:20:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.88 13.63 421.76 1.61 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 01/22/20 _x86_64_ (4 CPU) 18:13:45 LINUX RESTART 18:15:01 CPU %user %nice %system %iowait %steal %idle 18:16:01 all 0.18 0.00 0.05 0.00 0.00 99.76 18:16:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:16:01 1 0.55 0.00 0.03 0.00 0.00 99.42 18:16:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:16:01 3 0.05 0.00 0.07 0.00 0.00 99.88 18:17:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:17:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:17:01 1 0.55 0.00 0.05 0.00 0.00 99.40 18:17:01 2 0.10 0.00 0.07 0.00 0.02 99.82 18:17:01 3 0.07 0.00 0.03 0.00 0.00 99.90 18:18:01 all 0.15 0.00 0.06 0.00 0.00 99.79 18:18:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:18:01 1 0.37 0.00 0.08 0.00 0.00 99.55 18:18:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:18:01 3 0.10 0.00 0.03 0.00 0.00 99.87 18:19:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:19:01 1 0.52 0.00 0.05 0.00 0.00 99.43 18:19:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:19:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:20:02 all 2.22 0.00 1.23 1.24 0.01 95.30 18:20:02 0 1.91 0.00 1.17 1.09 0.02 95.82 18:20:02 1 2.35 0.00 1.02 0.45 0.00 96.18 18:20:02 2 3.06 0.00 1.69 3.36 0.00 91.89 18:20:02 3 1.55 0.00 1.02 0.08 0.00 97.34 Average: all 0.58 0.00 0.29 0.25 0.00 98.88 Average: 0 0.42 0.00 0.27 0.22 0.00 99.09 Average: 1 0.87 0.00 0.25 0.09 0.00 98.80 Average: 2 0.68 0.00 0.38 0.67 0.00 98.27 Average: 3 0.36 0.00 0.24 0.02 0.00 99.38