---> uname -a: Linux 510b906a4d2e 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-36 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-36@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 593 74 0 1170 1141 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) 02/05/20 _x86_64_ (4 CPU) 22:22:52 LINUX RESTART 22:24:01 tps rtps wtps bread/s bwrtn/s 22:25:01 5.70 0.00 5.70 0.00 712.28 22:26:01 0.68 0.00 0.68 0.00 7.36 22:27:01 0.72 0.00 0.72 0.00 8.81 22:28:01 0.60 0.00 0.60 0.00 8.33 22:29:01 0.67 0.00 0.67 0.00 8.38 22:30:01 0.72 0.00 0.72 0.00 9.53 Average: 1.51 0.00 1.51 0.00 125.79 22:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:25:01 120276 1762028 93.61 2620 1238380 921168 31.43 406836 1197072 8 22:26:01 122268 1760036 93.50 2620 1238384 905736 30.90 406004 1196436 8 22:27:01 121612 1760692 93.54 2620 1238392 905868 30.91 407012 1196436 8 22:28:01 121364 1760940 93.55 2620 1238392 905916 30.91 407180 1196436 8 22:29:01 120572 1761732 93.59 2620 1238400 906076 30.91 407772 1196436 8 22:30:01 120924 1761380 93.58 2620 1238404 905992 30.91 407264 1196436 8 Average: 121169 1761135 93.56 2620 1238392 908459 31.00 407011 1196542 8 22:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:25:01 eth0 2.93 0.78 0.84 0.38 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 eth0 0.63 0.08 0.05 0.04 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 1.63 0.70 0.64 0.41 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 1.78 0.55 0.60 0.39 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 2.17 0.73 0.76 0.47 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 1.30 0.67 0.58 0.40 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.74 0.59 0.58 0.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/05/20 _x86_64_ (4 CPU) 22:22:52 LINUX RESTART 22:24:01 CPU %user %nice %system %iowait %steal %idle 22:25:01 all 0.18 0.00 0.06 0.00 0.00 99.75 22:25:01 0 0.08 0.00 0.07 0.00 0.00 99.85 22:25:01 1 0.10 0.00 0.05 0.00 0.00 99.85 22:25:01 2 0.08 0.00 0.07 0.00 0.02 99.83 22:25:01 3 0.47 0.00 0.07 0.00 0.00 99.47 22:26:01 all 0.06 0.00 0.05 0.00 0.00 99.89 22:26:01 0 0.05 0.00 0.07 0.00 0.00 99.88 22:26:01 1 0.08 0.00 0.03 0.00 0.00 99.88 22:26:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:26:01 3 0.05 0.00 0.05 0.00 0.02 99.88 22:27:01 all 0.13 0.00 0.04 0.00 0.00 99.82 22:27:01 0 0.03 0.00 0.02 0.00 0.02 99.93 22:27:01 1 0.05 0.00 0.07 0.00 0.00 99.88 22:27:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:27:01 3 0.38 0.00 0.03 0.00 0.00 99.58 22:28:01 all 0.18 0.00 0.04 0.00 0.00 99.78 22:28:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:28:01 1 0.25 0.00 0.07 0.00 0.00 99.68 22:28:01 2 0.08 0.00 0.03 0.00 0.00 99.88 22:28:01 3 0.37 0.00 0.02 0.00 0.00 99.62 22:29:01 all 0.18 0.00 0.03 0.00 0.00 99.79 22:29:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:29:01 1 0.58 0.00 0.03 0.00 0.00 99.38 22:29:01 2 0.08 0.00 0.05 0.00 0.00 99.87 22:29:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:30:01 all 0.18 0.00 0.03 0.00 0.00 99.78 22:30:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:30:01 1 0.57 0.00 0.05 0.00 0.00 99.38 22:30:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:30:01 3 0.08 0.00 0.03 0.00 0.00 99.88 Average: all 0.15 0.00 0.04 0.00 0.00 99.80 Average: 0 0.04 0.00 0.03 0.00 0.00 99.92 Average: 1 0.27 0.00 0.05 0.00 0.00 99.68 Average: 2 0.07 0.00 0.04 0.00 0.00 99.88 Average: 3 0.23 0.00 0.04 0.00 0.00 99.73