---> uname -a: Linux 308baf4ed855 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-73 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-73@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 619 64 0 1154 1114 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) 04/25/20 _x86_64_ (4 CPU) 00:18:40 LINUX RESTART 00:19:01 tps rtps wtps bread/s bwrtn/s 00:20:01 81.24 34.48 46.76 4837.54 10163.75 00:21:01 3.80 0.00 3.80 0.00 110.02 00:22:01 139.63 94.71 44.92 5655.68 16658.04 Average: 74.89 43.06 31.83 3498.16 8977.96 00:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 110196 1772108 94.15 2620 1211176 933324 31.84 454160 1152668 428 00:21:01 119652 1762652 93.64 2620 1211208 894368 30.52 449592 1151020 16 00:22:01 75580 1806724 95.98 2620 1179476 945832 32.27 457584 1152504 102828 Average: 101809 1780495 94.59 2620 1200620 924508 31.54 453779 1152064 34424 00:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:20:01 eth0 505.77 296.92 1009.81 90.75 0.00 0.00 0.00 00:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:01 docker0 1.26 1.11 0.31 2.55 0.00 0.00 0.00 00:21:01 eth0 0.97 0.10 0.07 0.02 0.00 0.00 0.00 00:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:22:01 eth0 126.74 96.50 2340.08 13.16 0.00 0.00 0.00 00:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:22:01 vethd5fb034 0.00 0.10 0.00 0.01 0.00 0.00 0.00 00:22:01 docker0 1.27 1.12 0.31 2.55 0.00 0.00 0.00 Average: eth0 211.22 131.21 1116.70 34.65 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd5fb034 0.00 0.03 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.42 0.37 0.10 0.85 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) 04/25/20 _x86_64_ (4 CPU) 00:18:40 LINUX RESTART 00:19:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 13.46 0.00 5.47 2.37 0.03 78.67 00:20:01 0 12.78 0.00 6.18 2.43 0.05 78.56 00:20:01 1 12.29 0.00 5.56 2.61 0.02 79.53 00:20:01 2 12.93 0.00 5.48 2.86 0.02 78.72 00:20:01 3 15.82 0.00 4.68 1.60 0.03 77.87 00:21:01 all 0.17 0.00 0.09 0.00 0.00 99.74 00:21:01 0 0.07 0.00 0.15 0.00 0.00 99.78 00:21:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:21:01 2 0.48 0.00 0.07 0.00 0.00 99.45 00:21:01 3 0.10 0.00 0.07 0.00 0.00 99.83 00:22:01 all 5.64 0.00 3.33 1.94 0.03 89.05 00:22:01 0 4.66 0.00 3.44 3.17 0.02 88.71 00:22:01 1 5.61 0.00 2.87 2.33 0.05 89.14 00:22:01 2 5.87 0.00 3.73 1.62 0.03 88.74 00:22:01 3 6.42 0.00 3.31 0.62 0.05 89.60 Average: all 6.40 0.00 2.96 1.43 0.02 89.19 Average: 0 5.82 0.00 3.25 1.86 0.02 89.05 Average: 1 5.96 0.00 2.82 1.64 0.02 89.55 Average: 2 6.41 0.00 3.09 1.49 0.02 89.00 Average: 3 7.42 0.00 2.68 0.74 0.03 89.14