---> uname -a: Linux 99b9a311879d 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 6.2G 43.8G 12% / 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 6.2G 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-28@tmp /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-28 ---> free -m: total used free shared buff/cache available Mem: 1838 589 79 0 1169 1144 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) 01/10/20 _x86_64_ (4 CPU) 14:19:42 LINUX RESTART 14:20:02 tps rtps wtps bread/s bwrtn/s 14:21:01 100.93 32.69 68.24 4705.74 32696.09 14:22:01 2.63 0.00 2.63 0.00 87.04 14:23:01 0.35 0.00 0.35 0.00 5.30 14:24:01 0.18 0.00 0.18 0.00 1.77 14:25:01 0.43 0.00 0.43 0.00 5.08 14:26:01 0.80 0.00 0.80 0.00 9.54 14:27:01 0.53 0.00 0.53 0.00 6.23 Average: 14.92 4.60 10.32 662.89 4622.28 14:20:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:21:01 116572 1765732 93.81 2620 1249328 932156 31.80 406640 1198096 16 14:22:01 123024 1759280 93.46 2620 1249456 902460 30.79 403224 1198008 8 14:23:01 122996 1759308 93.47 2620 1249460 902460 30.79 403372 1197996 8 14:24:01 122212 1760092 93.51 2620 1249464 902676 30.80 404488 1197976 16 14:25:01 123428 1758876 93.44 2620 1249468 902460 30.79 403324 1197976 8 14:26:01 123084 1759220 93.46 2620 1249476 902532 30.79 403704 1197976 8 14:27:01 123256 1759048 93.45 2620 1249476 902496 30.79 403664 1197972 8 Average: 122082 1760222 93.51 2620 1249447 906749 30.94 404059 1198000 10 14:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:21:01 eth0 441.27 315.52 1005.10 90.55 0.00 0.00 0.00 14:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:21:01 docker0 0.88 0.74 0.15 1.07 0.00 0.00 0.00 14:22:01 eth0 0.08 0.08 0.01 0.05 0.00 0.00 0.00 14:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:23:01 eth0 1.28 0.08 0.10 0.01 0.00 0.00 0.00 14:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:24:01 eth0 1.10 0.98 0.80 0.39 0.00 0.00 0.00 14:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:25:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 14:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:26:01 eth0 0.22 0.15 0.08 0.07 0.00 0.00 0.00 14:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:27:01 eth0 0.18 0.13 0.07 0.01 0.00 0.00 0.00 14:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.59 44.66 141.74 12.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.10 0.02 0.15 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) 01/10/20 _x86_64_ (4 CPU) 14:19:42 LINUX RESTART 14:20:02 CPU %user %nice %system %iowait %steal %idle 14:21:01 all 12.26 0.00 5.53 6.00 0.00 76.21 14:21:01 0 12.07 0.00 6.10 6.74 0.00 75.09 14:21:01 1 12.23 0.00 5.23 5.65 0.00 76.89 14:21:01 2 12.50 0.00 5.52 8.06 0.02 73.91 14:21:01 3 12.25 0.00 5.29 3.52 0.02 78.92 14:22:01 all 0.17 0.00 0.07 0.00 0.00 99.75 14:22:01 0 0.47 0.00 0.05 0.00 0.02 99.47 14:22:01 1 0.08 0.00 0.07 0.00 0.00 99.85 14:22:01 2 0.08 0.00 0.07 0.00 0.00 99.85 14:22:01 3 0.07 0.00 0.05 0.00 0.00 99.88 14:23:01 all 0.17 0.00 0.05 0.00 0.00 99.78 14:23:01 0 0.48 0.00 0.03 0.00 0.00 99.48 14:23:01 1 0.03 0.00 0.05 0.00 0.00 99.92 14:23:01 2 0.08 0.00 0.05 0.00 0.00 99.87 14:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 14:24:01 all 0.19 0.00 0.05 0.00 0.00 99.76 14:24:01 0 0.60 0.00 0.07 0.00 0.00 99.33 14:24:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:24:01 2 0.05 0.00 0.03 0.00 0.00 99.92 14:24:01 3 0.08 0.00 0.07 0.00 0.00 99.85 14:25:01 all 0.18 0.00 0.05 0.00 0.00 99.78 14:25:01 0 0.52 0.00 0.03 0.00 0.00 99.45 14:25:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:25:01 2 0.03 0.00 0.05 0.00 0.00 99.92 14:25:01 3 0.08 0.00 0.07 0.00 0.00 99.85 14:26:01 all 0.17 0.00 0.04 0.00 0.00 99.78 14:26:01 0 0.53 0.00 0.02 0.00 0.00 99.45 14:26:01 1 0.07 0.00 0.05 0.00 0.02 99.87 14:26:01 2 0.07 0.00 0.05 0.00 0.00 99.88 14:26:01 3 0.05 0.00 0.05 0.00 0.00 99.90 14:27:01 all 0.14 0.00 0.05 0.00 0.00 99.82 14:27:01 0 0.40 0.00 0.03 0.00 0.00 99.57 14:27:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:27:01 2 0.05 0.00 0.05 0.00 0.00 99.90 14:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.86 0.00 0.82 0.84 0.00 96.48 Average: 0 2.12 0.00 0.89 0.94 0.00 96.05 Average: 1 1.76 0.00 0.78 0.79 0.00 96.67 Average: 2 1.80 0.00 0.81 1.13 0.00 96.25 Average: 3 1.77 0.00 0.78 0.49 0.00 96.96