---> uname -a: Linux e9b7ad59e43c 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% /w/workspace/exfoundry_go-mod-bootstrap_PR-60@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-60 ---> free -m: total used free shared buff/cache available Mem: 1838 598 75 0 1164 1135 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) 03/26/20 _x86_64_ (4 CPU) 01:21:10 LINUX RESTART 01:22:01 tps rtps wtps bread/s bwrtn/s 01:23:02 13.82 1.50 12.32 82.86 2117.29 01:24:01 2.22 0.00 2.22 0.00 79.03 01:25:01 0.28 0.00 0.28 0.00 3.48 01:26:01 0.27 0.00 0.27 0.00 3.60 Average: 4.16 0.38 3.78 20.80 552.87 01:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:23:02 121588 1760716 93.54 2620 1225624 952508 32.50 427804 1173884 20 01:24:01 130168 1752136 93.08 2620 1225628 904976 30.88 420884 1173580 16 01:25:01 128900 1753404 93.15 2620 1225636 905144 30.88 421856 1173580 20 01:26:01 130812 1751492 93.05 2620 1225636 904880 30.87 420428 1173580 12 Average: 127867 1754437 93.21 2620 1225631 916877 31.28 422743 1173656 17 01:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:23:02 eth0 12.57 8.41 10.17 8.67 0.00 0.00 0.00 01:23:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:23:02 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 01:24:01 eth0 1.20 0.51 0.88 0.04 0.00 0.00 0.00 01:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 eth0 1.05 0.65 0.55 0.40 0.00 0.00 0.00 01:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 01:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.73 2.41 2.91 2.29 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) 03/26/20 _x86_64_ (4 CPU) 01:21:10 LINUX RESTART 01:22:01 CPU %user %nice %system %iowait %steal %idle 01:23:02 all 0.75 0.00 0.27 0.02 0.00 98.95 01:23:02 0 0.68 0.00 0.23 0.00 0.00 99.08 01:23:02 1 1.20 0.00 0.33 0.02 0.00 98.45 01:23:02 2 0.58 0.00 0.33 0.02 0.00 99.07 01:23:02 3 0.55 0.00 0.22 0.02 0.00 99.22 01:24:01 all 0.24 0.00 0.06 0.00 0.00 99.70 01:24:01 0 0.15 0.00 0.03 0.00 0.00 99.81 01:24:01 1 0.12 0.00 0.03 0.00 0.02 99.83 01:24:01 2 0.12 0.00 0.10 0.00 0.00 99.78 01:24:01 3 0.54 0.00 0.05 0.00 0.00 99.41 01:25:01 all 0.19 0.00 0.05 0.00 0.00 99.76 01:25:01 0 0.05 0.00 0.05 0.00 0.00 99.90 01:25:01 1 0.10 0.00 0.05 0.00 0.00 99.85 01:25:01 2 0.07 0.00 0.05 0.00 0.00 99.88 01:25:01 3 0.57 0.00 0.05 0.00 0.00 99.38 01:26:01 all 0.19 0.00 0.07 0.00 0.00 99.75 01:26:01 0 0.08 0.00 0.08 0.00 0.00 99.83 01:26:01 1 0.07 0.00 0.07 0.00 0.00 99.87 01:26:01 2 0.05 0.00 0.07 0.00 0.00 99.88 01:26:01 3 0.57 0.00 0.05 0.00 0.00 99.38 Average: all 0.34 0.00 0.11 0.01 0.00 99.54 Average: 0 0.24 0.00 0.10 0.00 0.00 99.66 Average: 1 0.37 0.00 0.12 0.00 0.00 99.50 Average: 2 0.21 0.00 0.14 0.00 0.00 99.65 Average: 3 0.56 0.00 0.09 0.00 0.00 99.35