---> uname -a: Linux 117f0b938ec3 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: 2933.436 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-54 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-54@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 584 73 0 1179 1148 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) 02/25/20 _x86_64_ (4 CPU) 22:08:42 LINUX RESTART 22:09:02 tps rtps wtps bread/s bwrtn/s 22:10:01 90.42 35.71 54.71 4779.96 20388.51 22:11:01 8.38 0.00 8.38 0.00 1515.87 22:12:01 0.60 0.00 0.60 0.00 7.74 22:13:01 0.33 0.00 0.33 0.00 5.31 22:14:01 0.25 0.00 0.25 0.00 3.06 22:15:01 0.35 0.00 0.35 0.00 5.21 22:16:01 0.28 0.00 0.28 0.00 2.88 22:17:01 0.27 0.00 0.27 0.00 3.48 Average: 12.45 4.40 8.05 589.11 2706.12 22:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 117304 1765000 93.77 2620 1246904 944392 32.22 416736 1190052 42332 22:11:01 123120 1759184 93.46 2620 1246940 916968 31.29 411576 1189896 16 22:12:01 123680 1758624 93.43 2620 1246996 901740 30.77 411400 1189892 20 22:13:01 124348 1757956 93.39 2620 1246944 901548 30.76 410384 1189884 12 22:14:01 123756 1758548 93.43 2620 1246952 901704 30.77 411100 1189884 16 22:15:01 123492 1758812 93.44 2620 1246960 901740 30.77 411460 1189884 8 22:16:01 124648 1757656 93.38 2620 1246964 901544 30.76 410436 1189880 20 22:17:01 125160 1757144 93.35 2620 1246968 901548 30.76 410160 1189880 8 Average: 123189 1759116 93.46 2620 1246954 908898 31.01 411657 1189907 5304 22:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:10:01 eth0 399.71 247.76 1006.04 88.21 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 1.22 1.08 0.25 1.91 0.00 0.00 0.00 22:11:01 eth0 0.42 0.38 0.28 0.07 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 eth0 0.88 0.30 0.30 0.20 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 1.18 0.28 0.33 0.13 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 0.72 0.48 0.41 0.33 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 eth0 0.70 0.08 0.05 0.01 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 0.32 0.08 0.03 0.01 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 49.90 30.75 124.17 10.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.13 0.03 0.24 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) 02/25/20 _x86_64_ (4 CPU) 22:08:42 LINUX RESTART 22:09:02 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 14.15 0.00 6.19 4.70 0.47 74.49 22:10:01 0 13.11 0.00 7.28 6.42 0.47 72.73 22:10:01 1 12.54 0.00 6.52 4.04 0.57 76.34 22:10:01 2 15.07 0.00 6.09 4.82 0.47 73.55 22:10:01 3 15.88 0.00 4.85 3.53 0.38 75.35 22:11:01 all 0.20 0.00 0.09 0.00 0.01 99.70 22:11:01 0 0.08 0.00 0.03 0.00 0.02 99.87 22:11:01 1 0.58 0.00 0.12 0.00 0.00 99.30 22:11:01 2 0.10 0.00 0.12 0.00 0.02 99.77 22:11:01 3 0.05 0.00 0.07 0.00 0.00 99.88 22:12:01 all 0.19 0.00 0.05 0.00 0.02 99.75 22:12:01 0 0.05 0.00 0.05 0.00 0.02 99.88 22:12:01 1 0.40 0.00 0.05 0.00 0.03 99.52 22:12:01 2 0.08 0.00 0.05 0.00 0.02 99.85 22:12:01 3 0.20 0.00 0.03 0.00 0.02 99.75 22:13:01 all 0.17 0.00 0.07 0.00 0.02 99.75 22:13:01 0 0.03 0.00 0.10 0.00 0.02 99.85 22:13:01 1 0.07 0.00 0.07 0.00 0.02 99.85 22:13:01 2 0.07 0.00 0.08 0.00 0.03 99.82 22:13:01 3 0.52 0.00 0.02 0.00 0.00 99.47 22:14:01 all 0.13 0.00 0.05 0.00 0.02 99.80 22:14:01 0 0.07 0.00 0.05 0.00 0.00 99.88 22:14:01 1 0.08 0.00 0.07 0.00 0.03 99.82 22:14:01 2 0.07 0.00 0.05 0.00 0.02 99.87 22:14:01 3 0.32 0.00 0.07 0.00 0.02 99.60 22:15:01 all 0.12 0.00 0.06 0.00 0.06 99.76 22:15:01 0 0.02 0.00 0.05 0.00 0.05 99.88 22:15:01 1 0.08 0.00 0.07 0.00 0.03 99.82 22:15:01 2 0.08 0.00 0.08 0.00 0.08 99.75 22:15:01 3 0.27 0.00 0.05 0.00 0.07 99.62 22:16:01 all 0.14 0.00 0.05 0.00 0.15 99.67 22:16:01 0 0.03 0.00 0.03 0.00 0.08 99.85 22:16:01 1 0.37 0.00 0.05 0.00 0.12 99.47 22:16:01 2 0.10 0.00 0.07 0.00 0.30 99.53 22:16:01 3 0.05 0.00 0.03 0.00 0.12 99.80 22:17:01 all 0.14 0.00 0.05 0.00 0.07 99.75 22:17:01 0 0.02 0.00 0.02 0.00 0.03 99.93 22:17:01 1 0.42 0.00 0.05 0.00 0.10 99.43 22:17:01 2 0.07 0.00 0.07 0.00 0.12 99.75 22:17:01 3 0.07 0.00 0.03 0.00 0.02 99.88 Average: all 1.85 0.00 0.80 0.57 0.10 96.68 Average: 0 1.62 0.00 0.92 0.78 0.08 96.59 Average: 1 1.77 0.00 0.85 0.49 0.11 96.78 Average: 2 1.90 0.00 0.80 0.58 0.13 96.58 Average: 3 2.10 0.00 0.62 0.43 0.08 96.77