---> uname -a: Linux 4d1588c8f8e3 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% /w/workspace/exfoundry_go-mod-bootstrap_PR-42@tmp /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-42 ---> free -m: total used free shared buff/cache available Mem: 1838 578 81 0 1178 1156 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) 02/07/20 _x86_64_ (4 CPU) 20:35:17 LINUX RESTART 20:36:01 tps rtps wtps bread/s bwrtn/s 20:37:01 14.57 1.93 12.64 352.05 1784.58 20:38:01 2.38 0.00 2.38 0.00 79.82 20:39:01 0.28 0.00 0.28 0.00 3.51 20:40:01 0.35 0.00 0.35 0.00 4.06 20:41:01 0.22 0.00 0.22 0.00 3.28 20:42:01 0.38 0.00 0.38 0.00 4.73 Average: 3.03 0.32 2.71 58.69 313.40 20:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:37:01 122632 1759672 93.49 2620 1248472 944304 32.22 421176 1179812 8 20:38:01 127640 1754664 93.22 2620 1248476 901772 30.77 417684 1179512 8 20:39:01 126600 1755704 93.27 2620 1248484 901964 30.77 418792 1179516 12 20:40:01 127836 1754468 93.21 2620 1248484 901712 30.77 417476 1179512 12 20:41:01 127216 1755088 93.24 2620 1248488 901784 30.77 417724 1179512 8 20:42:01 127716 1754588 93.21 2620 1248496 901712 30.77 417376 1179512 8 Average: 126607 1755697 93.27 2620 1248483 908875 31.01 418371 1179563 9 20:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:37:01 eth0 33.98 27.06 29.50 23.87 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 1.27 1.08 0.21 1.54 0.00 0.00 0.00 20:38:01 eth0 1.30 0.65 0.77 0.04 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 eth0 1.25 0.90 0.79 0.38 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 20:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 eth0 0.32 0.32 0.15 0.08 0.00 0.00 0.00 20:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.18 4.85 5.21 4.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.21 0.18 0.04 0.26 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) 02/07/20 _x86_64_ (4 CPU) 20:35:17 LINUX RESTART 20:36:01 CPU %user %nice %system %iowait %steal %idle 20:37:01 all 2.09 0.00 1.02 0.06 0.00 96.82 20:37:01 0 1.69 0.00 1.04 0.02 0.00 97.26 20:37:01 1 2.20 0.00 1.12 0.12 0.02 96.54 20:37:01 2 2.02 0.00 0.90 0.08 0.00 96.99 20:37:01 3 2.47 0.00 1.03 0.03 0.00 96.46 20:38:01 all 0.19 0.00 0.05 0.00 0.00 99.75 20:38:01 0 0.05 0.00 0.05 0.00 0.02 99.88 20:38:01 1 0.30 0.00 0.05 0.00 0.00 99.65 20:38:01 2 0.07 0.00 0.05 0.00 0.00 99.88 20:38:01 3 0.33 0.00 0.05 0.00 0.00 99.62 20:39:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:39:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:39:01 1 0.55 0.00 0.05 0.00 0.00 99.40 20:39:01 2 0.10 0.00 0.12 0.00 0.00 99.78 20:39:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:40:01 all 0.18 0.00 0.04 0.00 0.00 99.78 20:40:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:40:01 1 0.55 0.00 0.03 0.00 0.00 99.42 20:40:01 2 0.07 0.00 0.05 0.00 0.00 99.88 20:40:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:41:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:41:01 0 0.05 0.00 0.02 0.00 0.00 99.93 20:41:01 1 0.07 0.00 0.05 0.00 0.00 99.88 20:41:01 2 0.57 0.00 0.05 0.00 0.00 99.38 20:41:01 3 0.05 0.00 0.05 0.00 0.00 99.90 20:42:01 all 0.10 0.00 0.07 0.00 0.00 99.82 20:42:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:42:01 1 0.03 0.00 0.05 0.00 0.00 99.92 20:42:01 2 0.30 0.00 0.13 0.00 0.00 99.57 20:42:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.49 0.00 0.21 0.01 0.00 99.29 Average: 0 0.31 0.00 0.20 0.00 0.00 99.48 Average: 1 0.62 0.00 0.23 0.02 0.00 99.14 Average: 2 0.52 0.00 0.22 0.01 0.00 99.25 Average: 3 0.50 0.00 0.21 0.01 0.00 99.29