---> uname -a: Linux 6b70d7507f76 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 6.2G 43.7G 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 43.7G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.7G 12% /var/log/sa /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-59 /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-59@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 606 78 0 1153 1127 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) 03/27/20 _x86_64_ (4 CPU) 00:11:42 LINUX RESTART 00:12:01 tps rtps wtps bread/s bwrtn/s 00:13:01 100.67 33.51 67.15 4756.98 30462.23 00:14:01 3.35 0.00 3.35 0.00 102.38 00:15:02 0.30 0.00 0.30 0.00 3.61 00:16:01 0.29 0.00 0.29 0.00 2.80 00:17:01 0.25 0.00 0.25 0.00 3.45 Average: 21.05 6.73 14.32 954.93 6137.56 00:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:13:01 117360 1764944 93.77 2620 1221236 935628 31.92 431220 1173024 16 00:14:01 126824 1755480 93.26 2620 1221088 895052 30.54 424972 1172968 8 00:15:02 125840 1756464 93.31 2620 1221092 895148 30.54 425676 1172952 8 00:16:01 126144 1756160 93.30 2620 1221092 895100 30.54 425464 1172952 8 00:17:01 127260 1755044 93.24 2620 1221100 894980 30.54 424676 1172952 8 Average: 124686 1757618 93.38 2620 1221122 903182 30.82 426402 1172970 10 00:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:13:01 eth0 447.96 308.67 1001.12 88.42 0.00 0.00 0.00 00:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:13:01 docker0 1.00 0.90 0.25 2.14 0.00 0.00 0.00 00:14:01 eth0 2.01 0.95 1.16 0.07 0.00 0.00 0.00 00:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:15:02 eth0 0.92 0.40 0.30 0.17 0.00 0.00 0.00 00:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:16:01 eth0 0.56 0.44 0.30 0.25 0.00 0.00 0.00 00:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 90.64 62.34 201.32 17.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.20 0.18 0.05 0.43 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) 03/27/20 _x86_64_ (4 CPU) 00:11:42 LINUX RESTART 00:12:01 CPU %user %nice %system %iowait %steal %idle 00:13:01 all 12.99 0.00 5.93 5.98 0.04 75.06 00:13:01 0 12.57 0.00 6.64 6.64 0.05 74.09 00:13:01 1 12.71 0.00 5.74 5.41 0.03 76.10 00:13:01 2 13.90 0.00 5.86 5.17 0.07 75.00 00:13:01 3 12.74 0.00 5.49 6.70 0.03 75.04 00:14:01 all 0.20 0.00 0.07 0.00 0.00 99.73 00:14:01 0 0.38 0.00 0.07 0.00 0.00 99.55 00:14:01 1 0.08 0.00 0.05 0.00 0.00 99.87 00:14:01 2 0.27 0.00 0.07 0.00 0.00 99.67 00:14:01 3 0.05 0.00 0.07 0.00 0.00 99.88 00:15:02 all 0.18 0.00 0.05 0.00 0.00 99.77 00:15:02 0 0.07 0.00 0.05 0.00 0.00 99.88 00:15:02 1 0.05 0.00 0.03 0.00 0.00 99.92 00:15:02 2 0.57 0.00 0.05 0.00 0.00 99.38 00:15:02 3 0.05 0.00 0.05 0.00 0.00 99.90 00:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 00:16:01 0 0.07 0.00 0.07 0.00 0.00 99.86 00:16:01 1 0.36 0.00 0.07 0.00 0.00 99.58 00:16:01 2 0.29 0.00 0.08 0.00 0.00 99.63 00:16:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:17:01 all 0.19 0.00 0.05 0.00 0.00 99.76 00:17:01 0 0.08 0.00 0.05 0.00 0.00 99.87 00:17:01 1 0.55 0.00 0.02 0.00 0.00 99.43 00:17:01 2 0.07 0.00 0.07 0.00 0.00 99.87 00:17:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 2.74 0.00 1.22 1.19 0.01 94.84 Average: 0 2.62 0.00 1.37 1.32 0.01 94.68 Average: 1 2.74 0.00 1.18 1.08 0.01 94.99 Average: 2 3.01 0.00 1.22 1.03 0.01 94.73 Average: 3 2.57 0.00 1.13 1.33 0.01 94.97