---> uname -a: Linux 433cd16f80e4 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 6.4G 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% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-70 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-70@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 602 70 0 1164 1132 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) 04/17/20 _x86_64_ (4 CPU) 23:00:27 LINUX RESTART 23:01:01 tps rtps wtps bread/s bwrtn/s 23:02:01 50.67 11.35 39.32 2449.68 3382.69 23:03:01 2.60 0.00 2.60 0.00 88.91 23:04:01 0.25 0.00 0.25 0.00 3.88 23:05:01 0.23 0.00 0.23 0.00 2.83 23:06:01 47.93 47.75 0.18 3080.21 2.78 Average: 20.34 11.82 8.52 1106.00 696.42 23:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:02:01 104324 1777980 94.46 2620 1239796 922672 31.48 430792 1182600 16 23:03:01 92932 1789372 95.06 2620 1239800 899752 30.70 443284 1182528 20 23:04:01 110852 1771452 94.11 2620 1239804 890536 30.38 425080 1182528 8 23:05:01 110624 1771680 94.12 2620 1239808 890620 30.39 425624 1182528 16 23:06:01 92224 1790080 95.10 2620 1253612 892136 30.44 409904 1213300 168 Average: 102191 1780113 94.57 2620 1242564 899143 30.68 426937 1188697 46 23:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:02:01 eth0 280.14 179.12 665.04 71.00 0.00 0.00 0.00 23:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 docker0 1.28 1.23 0.30 2.45 0.00 0.00 0.00 23:03:01 eth0 1.38 0.37 0.42 0.18 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 eth0 0.83 0.40 0.30 0.21 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 eth0 0.53 0.32 0.27 0.23 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 8.74 5.76 8.95 3.24 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 58.34 37.20 135.03 14.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.25 0.06 0.49 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) 04/17/20 _x86_64_ (4 CPU) 23:00:27 LINUX RESTART 23:01:01 CPU %user %nice %system %iowait %steal %idle 23:02:01 all 7.61 0.00 3.02 1.17 0.53 87.68 23:02:01 0 6.61 0.00 3.53 0.12 0.42 89.32 23:02:01 1 9.00 0.00 3.06 0.39 0.52 87.03 23:02:01 2 7.26 0.00 2.87 1.83 0.57 87.46 23:02:01 3 7.56 0.00 2.57 2.31 0.62 86.94 23:03:01 all 0.49 0.00 0.06 0.00 0.01 99.44 23:03:01 0 0.15 0.00 0.10 0.00 0.02 99.73 23:03:01 1 0.55 0.00 0.05 0.00 0.00 99.40 23:03:01 2 0.07 0.00 0.03 0.00 0.00 99.90 23:03:01 3 1.22 0.00 0.07 0.00 0.02 98.70 23:04:01 all 0.18 0.00 0.05 0.00 0.03 99.74 23:04:01 0 0.08 0.00 0.05 0.00 0.05 99.82 23:04:01 1 0.43 0.00 0.07 0.00 0.02 99.48 23:04:01 2 0.13 0.00 0.03 0.00 0.02 99.82 23:04:01 3 0.05 0.00 0.05 0.00 0.02 99.88 23:05:01 all 0.18 0.00 0.04 0.00 0.03 99.75 23:05:01 0 0.10 0.00 0.03 0.00 0.03 99.83 23:05:01 1 0.53 0.00 0.05 0.00 0.03 99.38 23:05:01 2 0.07 0.00 0.03 0.00 0.05 99.85 23:05:01 3 0.05 0.00 0.07 0.00 0.02 99.87 23:06:01 all 0.82 0.00 0.46 1.01 0.05 97.66 23:06:01 0 0.40 0.00 0.40 0.55 0.02 98.63 23:06:01 1 0.70 0.00 0.43 0.43 0.08 98.35 23:06:01 2 0.65 0.00 0.37 0.20 0.05 98.73 23:06:01 3 1.52 0.00 0.60 2.86 0.03 94.99 Average: all 1.84 0.00 0.72 0.43 0.13 96.87 Average: 0 1.45 0.00 0.82 0.13 0.11 97.49 Average: 1 2.23 0.00 0.73 0.16 0.13 96.75 Average: 2 1.63 0.00 0.66 0.40 0.14 97.17 Average: 3 2.07 0.00 0.67 1.03 0.14 96.09