---> uname -a: Linux cddb398b43a7 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 581 76 0 1180 1152 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) 04/13/20 _x86_64_ (4 CPU) 13:53:08 LINUX RESTART 13:54:03 tps rtps wtps bread/s bwrtn/s 13:55:01 38.24 6.23 32.01 1961.11 2237.17 13:56:01 1.66 0.03 1.63 1.07 64.29 13:57:01 59.70 49.36 10.34 3294.17 7162.69 Average: 33.17 18.70 14.47 1751.20 3168.39 13:54:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:55:01 122136 1760168 93.51 2620 1240944 959656 32.74 421944 1181688 20 13:56:01 133392 1748912 92.91 2620 1240952 888828 30.33 412604 1181388 20 13:57:01 74436 1807868 96.05 2620 1253616 1080012 36.85 433436 1207416 7380 Average: 109988 1772316 94.16 2620 1245171 976165 33.31 422661 1190164 2473 13:54:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:55:01 eth0 66.32 55.39 449.58 36.09 0.00 0.00 0.00 13:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:55:01 docker0 1.19 1.02 0.25 1.77 0.00 0.00 0.00 13:56:01 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 13:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:57:01 eth0 85.85 64.39 2317.19 8.06 0.00 0.00 0.00 13:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.88 39.81 928.72 14.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.39 0.33 0.08 0.58 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) 04/13/20 _x86_64_ (4 CPU) 13:53:08 LINUX RESTART 13:54:03 CPU %user %nice %system %iowait %steal %idle 13:55:01 all 3.09 0.00 2.15 1.27 7.85 85.64 13:55:01 0 3.70 0.00 2.76 0.27 8.35 84.92 13:55:01 1 2.98 0.00 1.93 0.10 8.00 86.99 13:55:01 2 3.07 0.00 1.90 0.20 7.81 87.01 13:55:01 3 2.63 0.00 2.00 4.51 7.26 83.60 13:56:01 all 0.11 0.00 0.14 0.00 0.62 99.13 13:56:01 0 0.07 0.00 0.17 0.00 0.70 99.07 13:56:01 1 0.13 0.00 0.13 0.00 0.63 99.10 13:56:01 2 0.18 0.00 0.13 0.00 0.72 98.97 13:56:01 3 0.07 0.00 0.15 0.00 0.45 99.34 13:57:01 all 1.93 0.00 1.05 1.76 2.12 93.14 13:57:01 0 1.38 0.00 0.91 0.51 2.36 94.83 13:57:01 1 2.47 0.00 1.23 0.60 2.12 93.58 13:57:01 2 1.92 0.00 1.12 3.55 2.00 91.41 13:57:01 3 1.95 0.00 0.97 2.38 2.00 92.71 Average: all 1.70 0.00 1.11 1.01 3.51 92.67 Average: 0 1.71 0.00 1.27 0.26 3.78 92.98 Average: 1 1.85 0.00 1.10 0.23 3.57 93.25 Average: 2 1.72 0.00 1.05 1.25 3.50 92.48 Average: 3 1.54 0.00 1.04 2.29 3.22 91.92