---> uname -a: Linux 1202fe8dba84 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: 2933.438 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-58 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-58@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 597 69 0 1171 1135 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) 03/23/20 _x86_64_ (4 CPU) 19:58:53 LINUX RESTART 20:00:01 tps rtps wtps bread/s bwrtn/s 20:01:01 14.39 0.02 14.37 0.13 1973.17 20:02:01 2.05 0.13 1.91 2.66 61.96 20:03:01 0.25 0.00 0.25 0.00 3.88 20:04:01 0.23 0.00 0.23 0.00 2.86 20:05:01 128.55 82.08 46.46 4837.99 17173.70 Average: 29.15 16.48 12.66 970.25 3850.28 20:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:01:01 106812 1775492 94.33 2620 1248680 918220 31.33 422220 1195700 20 20:02:01 105596 1776708 94.39 2620 1248840 916428 31.27 425940 1193524 20 20:03:01 105352 1776952 94.40 2620 1248844 916476 31.27 426424 1193480 8 20:04:01 107760 1774544 94.28 2620 1248848 901928 30.77 424004 1193472 8 20:05:01 97340 1784964 94.83 2620 1175480 1207728 41.21 428372 1162344 83156 Average: 104572 1777732 94.44 2620 1234138 972156 33.17 425392 1187704 16642 20:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:01:01 eth0 0.60 0.33 0.22 0.05 0.00 0.00 0.00 20:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 eth0 1.50 0.38 0.37 0.20 0.00 0.00 0.00 20:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 eth0 0.77 0.57 0.52 0.39 0.00 0.00 0.00 20:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 eth0 0.45 0.08 0.04 0.01 0.00 0.00 0.00 20:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 eth0 87.03 73.50 2330.87 12.79 0.00 0.00 0.00 20:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 veth0761c03 0.00 0.02 0.00 0.00 0.00 0.00 0.00 20:05:01 docker0 1.28 1.13 0.27 1.89 0.00 0.00 0.00 Average: eth0 18.11 15.00 467.41 2.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0761c03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.23 0.05 0.38 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) 03/23/20 _x86_64_ (4 CPU) 19:58:53 LINUX RESTART 20:00:01 CPU %user %nice %system %iowait %steal %idle 20:01:01 all 0.17 0.00 0.11 0.00 0.10 99.62 20:01:01 0 0.10 0.00 0.13 0.02 0.13 99.62 20:01:01 1 0.07 0.00 0.13 0.00 0.08 99.72 20:01:01 2 0.30 0.00 0.10 0.00 0.12 99.48 20:01:01 3 0.23 0.00 0.05 0.00 0.08 99.63 20:02:01 all 0.16 0.00 0.05 0.01 0.14 99.65 20:02:01 0 0.02 0.00 0.02 0.00 0.15 99.82 20:02:01 1 0.08 0.00 0.05 0.00 0.08 99.78 20:02:01 2 0.45 0.00 0.05 0.00 0.18 99.32 20:02:01 3 0.08 0.00 0.07 0.02 0.17 99.67 20:03:01 all 0.18 0.00 0.06 0.00 0.06 99.70 20:03:01 0 0.07 0.00 0.05 0.00 0.03 99.85 20:03:01 1 0.07 0.00 0.05 0.00 0.10 99.78 20:03:01 2 0.48 0.00 0.13 0.00 0.07 99.32 20:03:01 3 0.08 0.00 0.03 0.00 0.03 99.85 20:04:01 all 0.14 0.00 0.04 0.00 0.12 99.70 20:04:01 0 0.02 0.00 0.02 0.00 0.05 99.92 20:04:01 1 0.07 0.00 0.05 0.00 0.15 99.73 20:04:01 2 0.12 0.00 0.03 0.00 0.22 99.63 20:04:01 3 0.35 0.00 0.05 0.00 0.07 99.53 20:05:01 all 3.98 0.00 2.73 2.23 6.42 84.64 20:05:01 0 3.32 0.00 2.15 0.21 7.11 87.20 20:05:01 1 4.78 0.00 3.16 1.34 6.34 84.38 20:05:01 2 4.22 0.00 2.99 3.49 6.49 82.82 20:05:01 3 3.60 0.00 2.65 3.90 5.71 84.15 Average: all 0.92 0.00 0.60 0.45 1.37 96.66 Average: 0 0.71 0.00 0.48 0.05 1.51 97.25 Average: 1 1.01 0.00 0.69 0.27 1.35 96.69 Average: 2 1.11 0.00 0.66 0.70 1.41 96.11 Average: 3 0.87 0.00 0.57 0.78 1.21 96.58