---> uname -a: Linux e945cd8aa185 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 6.4G 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% /w/workspace/exfoundry_go-mod-messaging_PR-53 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 77 0 1153 1128 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) 04/21/20 _x86_64_ (4 CPU) 15:08:52 LINUX RESTART 15:10:02 tps rtps wtps bread/s bwrtn/s 15:11:01 3.64 0.00 3.64 0.00 107.49 15:12:01 0.60 0.00 0.60 0.00 7.35 15:13:01 0.68 0.00 0.68 0.00 8.91 15:14:01 0.63 0.00 0.63 0.00 9.14 15:15:01 0.47 0.00 0.47 0.00 7.48 15:16:01 110.25 70.49 39.76 4120.37 16498.10 Average: 19.43 11.79 7.65 688.98 2781.87 15:10:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:11:01 122264 1760040 93.50 2620 1224092 901076 30.74 429104 1168712 8 15:12:01 120024 1762280 93.62 2620 1224100 901268 30.75 431744 1168416 8 15:13:01 120628 1761676 93.59 2620 1224108 901160 30.75 431068 1168412 8 15:14:01 119720 1762584 93.64 2620 1224108 901268 30.75 431848 1168412 8 15:15:01 120464 1761840 93.60 2620 1224116 901160 30.75 431120 1168412 8 15:16:01 94992 1787312 94.95 2620 1187200 1080092 36.85 434400 1158464 98928 Average: 116349 1765955 93.82 2620 1217954 931004 31.77 431547 1166805 16495 15:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:11:01 eth0 0.44 0.08 0.04 0.01 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 eth0 0.58 0.52 0.28 0.21 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 eth0 1.07 0.22 0.29 0.01 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 eth0 0.52 0.40 0.27 0.20 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 eth0 104.13 84.47 2328.31 10.81 0.00 0.00 0.00 15:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.90 14.36 389.50 1.89 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) 04/21/20 _x86_64_ (4 CPU) 15:08:52 LINUX RESTART 15:10:02 CPU %user %nice %system %iowait %steal %idle 15:11:01 all 0.11 0.00 0.06 0.00 0.00 99.83 15:11:01 0 0.24 0.00 0.08 0.00 0.00 99.68 15:11:01 1 0.03 0.00 0.05 0.00 0.00 99.92 15:11:01 2 0.14 0.00 0.05 0.00 0.00 99.81 15:11:01 3 0.05 0.00 0.07 0.00 0.00 99.88 15:12:01 all 0.18 0.00 0.06 0.00 0.00 99.76 15:12:01 0 0.42 0.00 0.08 0.00 0.00 99.50 15:12:01 1 0.12 0.00 0.10 0.00 0.00 99.78 15:12:01 2 0.08 0.00 0.03 0.00 0.00 99.88 15:12:01 3 0.10 0.00 0.02 0.00 0.00 99.88 15:13:01 all 0.07 0.00 0.04 0.00 0.00 99.89 15:13:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:13:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:13:01 2 0.12 0.00 0.07 0.00 0.00 99.82 15:13:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:14:01 all 0.08 0.00 0.04 0.00 0.00 99.88 15:14:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:14:01 1 0.08 0.00 0.05 0.00 0.00 99.87 15:14:01 2 0.10 0.00 0.05 0.00 0.00 99.85 15:14:01 3 0.07 0.00 0.03 0.00 0.00 99.90 15:15:01 all 0.16 0.00 0.04 0.00 0.00 99.80 15:15:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:15:01 1 0.08 0.00 0.03 0.00 0.00 99.88 15:15:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:15:01 3 0.48 0.00 0.07 0.00 0.02 99.43 15:16:01 all 4.68 0.00 2.34 1.30 0.03 91.65 15:16:01 0 4.29 0.00 2.48 0.74 0.03 92.47 15:16:01 1 5.21 0.00 2.45 2.90 0.05 89.40 15:16:01 2 4.54 0.00 2.48 1.09 0.03 91.86 15:16:01 3 4.67 0.00 1.94 0.49 0.03 92.88 Average: all 0.88 0.00 0.43 0.22 0.01 98.47 Average: 0 0.84 0.00 0.45 0.12 0.01 98.57 Average: 1 0.93 0.00 0.45 0.48 0.01 98.12 Average: 2 0.84 0.00 0.45 0.18 0.01 98.52 Average: 3 0.90 0.00 0.36 0.08 0.01 98.65