---> uname -a: Linux 77e895dd4f98 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-34 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 600 76 0 1160 1131 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) 01/22/20 _x86_64_ (4 CPU) 00:06:18 LINUX RESTART 00:07:01 tps rtps wtps bread/s bwrtn/s 00:08:01 42.47 9.46 33.01 2220.92 3263.00 00:09:01 3.95 0.00 3.95 0.00 114.90 00:10:01 0.68 0.00 0.68 0.00 8.54 00:11:02 0.53 0.00 0.53 0.00 6.23 Average: 11.92 2.37 9.55 555.78 848.98 00:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:08:01 94292 1788012 94.99 2620 1242900 976036 33.30 443824 1183536 16 00:09:01 107540 1774764 94.29 2620 1242908 904192 30.85 434320 1183236 8 00:10:01 106872 1775432 94.32 2620 1242916 904360 30.86 435252 1183236 8 00:11:02 109684 1772620 94.17 2620 1242916 904664 30.87 432436 1183236 8 Average: 104597 1777707 94.44 2620 1242910 922313 31.47 436458 1183311 10 00:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:08:01 eth0 97.37 81.64 530.44 54.41 0.00 0.00 0.00 00:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:08:01 docker0 1.01 1.00 0.18 1.26 0.00 0.00 0.00 00:09:01 eth0 0.87 0.02 0.06 0.00 0.00 0.00 0.00 00:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:01 eth0 0.83 0.30 0.30 0.20 0.00 0.00 0.00 00:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:02 eth0 0.72 0.65 0.56 0.13 0.00 0.00 0.00 00:11:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.97 20.67 132.97 13.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.25 0.25 0.04 0.31 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) 00:06:18 LINUX RESTART 00:07:01 CPU %user %nice %system %iowait %steal %idle 00:08:01 all 4.62 0.00 2.18 0.70 6.37 86.14 00:08:01 0 3.70 0.00 2.28 0.05 7.38 86.59 00:08:01 1 6.88 0.00 2.24 0.15 5.38 85.35 00:08:01 2 3.11 0.00 2.06 0.76 6.90 87.17 00:08:01 3 4.85 0.00 2.12 1.82 5.79 85.43 00:09:01 all 0.11 0.00 0.05 0.00 0.22 99.62 00:09:01 0 0.23 0.00 0.02 0.00 0.17 99.58 00:09:01 1 0.07 0.00 0.08 0.00 0.33 99.52 00:09:01 2 0.07 0.00 0.05 0.00 0.25 99.63 00:09:01 3 0.07 0.00 0.05 0.00 0.15 99.73 00:10:01 all 0.12 0.00 0.05 0.00 0.14 99.69 00:10:01 0 0.20 0.00 0.05 0.00 0.13 99.62 00:10:01 1 0.08 0.00 0.03 0.00 0.13 99.75 00:10:01 2 0.10 0.00 0.07 0.00 0.20 99.63 00:10:01 3 0.07 0.00 0.05 0.00 0.10 99.78 00:11:02 all 0.45 0.00 0.05 0.00 0.07 99.43 00:11:02 0 0.05 0.00 0.02 0.00 0.02 99.92 00:11:02 1 1.30 0.00 0.10 0.00 0.08 98.51 00:11:02 2 0.40 0.00 0.05 0.00 0.08 99.47 00:11:02 3 0.03 0.00 0.05 0.00 0.12 99.80 Average: all 1.33 0.00 0.59 0.17 1.71 96.20 Average: 0 1.05 0.00 0.59 0.01 1.94 96.40 Average: 1 2.08 0.00 0.61 0.04 1.48 95.79 Average: 2 0.93 0.00 0.56 0.19 1.87 96.45 Average: 3 1.26 0.00 0.57 0.46 1.55 96.17