---> uname -a: Linux 3fa6076d21cd 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: 2933.436 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-47 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-47@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 615 71 0 1151 1118 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) 02/10/20 _x86_64_ (4 CPU) 18:33:58 LINUX RESTART 18:35:02 tps rtps wtps bread/s bwrtn/s 18:36:01 9.40 0.00 9.40 0.00 2070.00 18:37:01 0.67 0.00 0.67 0.00 9.16 18:38:01 0.65 0.00 0.65 0.00 8.63 18:39:01 0.23 0.00 0.23 0.00 3.66 Average: 2.71 0.00 2.71 0.00 516.48 18:35:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:36:01 126204 1756100 93.30 2620 1208304 912152 31.12 445912 1153132 8 18:37:01 123632 1758672 93.43 2620 1208308 912420 31.13 448920 1152784 8 18:38:01 123196 1759108 93.46 2620 1208312 912456 31.13 449180 1152784 8 18:39:01 124512 1757792 93.39 2620 1208316 912216 31.12 447768 1152784 12 Average: 124386 1757918 93.39 2620 1208310 912311 31.13 447945 1152871 9 18:35:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:36:01 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 18:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 eth0 1.18 0.47 0.64 0.18 0.00 0.00 0.00 18:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 eth0 0.63 0.45 0.28 0.24 0.00 0.00 0.00 18:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:39:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.70 0.27 0.25 0.11 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) 02/10/20 _x86_64_ (4 CPU) 18:33:58 LINUX RESTART 18:35:02 CPU %user %nice %system %iowait %steal %idle 18:36:01 all 0.17 0.00 0.09 0.00 0.05 99.69 18:36:01 0 0.46 0.00 0.07 0.00 0.03 99.44 18:36:01 1 0.08 0.00 0.07 0.00 0.07 99.78 18:36:01 2 0.08 0.00 0.08 0.00 0.05 99.78 18:36:01 3 0.07 0.00 0.14 0.00 0.07 99.73 18:37:01 all 0.18 0.00 0.05 0.00 0.05 99.71 18:37:01 0 0.52 0.00 0.02 0.00 0.03 99.43 18:37:01 1 0.08 0.00 0.07 0.00 0.08 99.77 18:37:01 2 0.12 0.00 0.08 0.00 0.05 99.75 18:37:01 3 0.05 0.00 0.03 0.00 0.02 99.90 18:38:01 all 0.14 0.00 0.03 0.00 0.05 99.77 18:38:01 0 0.38 0.00 0.03 0.00 0.05 99.53 18:38:01 1 0.05 0.00 0.05 0.00 0.07 99.83 18:38:01 2 0.03 0.00 0.05 0.00 0.10 99.82 18:38:01 3 0.07 0.00 0.02 0.00 0.02 99.90 18:39:01 all 0.17 0.00 0.04 0.00 0.03 99.76 18:39:01 0 0.47 0.00 0.02 0.00 0.02 99.50 18:39:01 1 0.07 0.00 0.03 0.00 0.05 99.85 18:39:01 2 0.10 0.00 0.07 0.00 0.07 99.77 18:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.17 0.00 0.05 0.00 0.05 99.73 Average: 0 0.46 0.00 0.03 0.00 0.03 99.48 Average: 1 0.07 0.00 0.05 0.00 0.07 99.81 Average: 2 0.08 0.00 0.07 0.00 0.07 99.78 Average: 3 0.05 0.00 0.05 0.00 0.03 99.87