---> uname -a: Linux 3d5d92d2f017 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 6.3G 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-73 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-73@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 596 68 0 1173 1138 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) 00:21:42 LINUX RESTART 00:22:01 tps rtps wtps bread/s bwrtn/s 00:23:01 95.86 38.98 56.87 4919.84 25253.38 00:24:02 8.29 0.00 8.29 0.00 1566.64 00:25:01 0.29 0.00 0.29 0.00 3.95 00:26:01 0.30 0.00 0.30 0.00 3.65 00:27:01 11.16 10.89 0.27 1559.37 3.73 Average: 23.26 10.01 13.25 1300.62 5386.54 00:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:23:01 113144 1769160 93.99 2620 1236832 936756 31.96 425168 1180960 43532 00:24:02 118684 1763620 93.69 2620 1236952 901216 30.75 420332 1180856 12 00:25:01 118372 1763932 93.71 2620 1236960 901228 30.75 420452 1180840 8 00:26:01 119924 1762380 93.63 2620 1236960 901036 30.74 419360 1180840 12 00:27:01 76708 1805596 95.92 2620 1259936 928916 31.69 431272 1205772 96 Average: 109366 1772938 94.19 2620 1241528 913830 31.18 423317 1185854 8732 00:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:23:01 eth0 430.99 250.37 1009.27 87.91 0.00 0.00 0.00 00:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:23:01 docker0 1.55 1.28 0.32 2.52 0.00 0.00 0.00 00:24:02 eth0 1.53 0.52 0.36 0.21 0.00 0.00 0.00 00:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:25:01 eth0 2.12 1.03 1.67 0.22 0.00 0.00 0.00 00:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 00:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:27:01 eth0 6.34 4.30 6.77 2.29 0.00 0.00 0.00 00:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 88.55 51.45 204.38 18.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.31 0.26 0.06 0.51 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) 00:21:42 LINUX RESTART 00:22:01 CPU %user %nice %system %iowait %steal %idle 00:23:01 all 14.26 0.00 6.21 5.85 0.02 73.66 00:23:01 0 14.90 0.00 6.85 5.25 0.02 72.98 00:23:01 1 13.77 0.00 5.94 6.43 0.02 73.83 00:23:01 2 14.30 0.00 5.83 5.54 0.02 74.31 00:23:01 3 14.10 0.00 6.19 6.19 0.02 73.50 00:24:02 all 0.20 0.00 0.09 0.00 0.00 99.70 00:24:02 0 0.07 0.00 0.07 0.00 0.00 99.87 00:24:02 1 0.57 0.00 0.13 0.00 0.00 99.30 00:24:02 2 0.08 0.00 0.10 0.00 0.00 99.82 00:24:02 3 0.08 0.00 0.07 0.00 0.00 99.85 00:25:01 all 0.21 0.00 0.05 0.00 0.00 99.74 00:25:01 0 0.10 0.00 0.05 0.00 0.00 99.85 00:25:01 1 0.56 0.00 0.03 0.00 0.00 99.41 00:25:01 2 0.10 0.00 0.07 0.00 0.00 99.83 00:25:01 3 0.08 0.00 0.03 0.00 0.02 99.86 00:26:01 all 0.15 0.00 0.06 0.00 0.00 99.79 00:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:26:01 1 0.47 0.00 0.07 0.00 0.00 99.47 00:26:01 2 0.08 0.00 0.07 0.00 0.02 99.83 00:26:01 3 0.05 0.00 0.07 0.00 0.00 99.88 00:27:01 all 0.52 0.00 0.32 0.21 0.00 98.95 00:27:01 0 0.50 0.00 0.37 0.17 0.00 98.97 00:27:01 1 1.00 0.00 0.37 0.63 0.02 97.98 00:27:01 2 0.22 0.00 0.25 0.00 0.00 99.53 00:27:01 3 0.35 0.00 0.35 0.03 0.00 99.27 Average: all 3.06 0.00 1.34 1.21 0.01 94.39 Average: 0 3.10 0.00 1.46 1.08 0.00 94.35 Average: 1 3.26 0.00 1.30 1.41 0.01 94.02 Average: 2 2.95 0.00 1.26 1.11 0.01 94.68 Average: 3 2.92 0.00 1.33 1.24 0.01 94.50