---> uname -a: Linux 670293ffaae8 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: 2933.436 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 737 80 0 1019 1032 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 16: eth0@if17: 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) 04/15/20 _x86_64_ (4 CPU) 00:07:52 LINUX RESTART 00:09:02 tps rtps wtps bread/s bwrtn/s 00:10:02 4.10 0.00 4.10 0.00 125.43 00:11:01 0.22 0.00 0.22 0.00 2.88 00:12:01 0.27 0.00 0.27 0.00 3.61 00:13:01 1.45 1.18 0.27 73.94 3.46 00:14:01 321.08 129.07 192.01 5387.34 58429.49 Average: 65.97 26.27 39.69 1101.55 11812.58 00:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 120208 1762096 93.61 2620 1230200 924676 31.55 396896 1206976 8 00:11:01 120056 1762248 93.62 2620 1230208 924884 31.56 398124 1206680 12 00:12:01 122112 1760192 93.51 2620 1230216 910348 31.06 396628 1206056 20 00:13:01 110164 1772140 94.15 2620 1232472 911944 31.12 400592 1206808 56 00:14:01 63928 1818376 96.60 2620 1097672 988012 33.71 630460 905844 44348 Average: 107294 1775010 94.30 2620 1204154 931973 31.80 444540 1146473 8889 00:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:10:02 eth0 4.42 2.52 3.28 0.17 0.00 0.00 0.00 00:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 eth0 1.29 0.69 0.57 0.41 0.00 0.00 0.00 00:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 eth0 0.30 0.10 0.02 0.01 0.00 0.00 0.00 00:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:13:01 eth0 5.38 2.60 4.07 1.38 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:14:01 eth0 457.75 308.71 6977.73 39.47 0.00 0.00 0.00 00:14:01 veth284eeba 86.21 157.82 5.63 257.76 0.00 0.00 0.00 00:14:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 00:14:01 docker0 91.51 162.45 5.10 290.32 0.00 0.00 0.00 Average: eth0 94.60 63.45 1409.06 8.35 0.00 0.00 0.00 Average: veth284eeba 17.39 31.83 1.14 51.99 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.46 32.77 1.03 58.56 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) 04/15/20 _x86_64_ (4 CPU) 00:07:52 LINUX RESTART 00:09:02 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 0.19 0.00 0.07 0.00 0.06 99.68 00:10:02 0 0.07 0.00 0.05 0.00 0.05 99.83 00:10:02 1 0.29 0.00 0.10 0.00 0.07 99.54 00:10:02 2 0.27 0.00 0.07 0.00 0.05 99.61 00:10:02 3 0.12 0.00 0.07 0.00 0.07 99.75 00:11:01 all 0.16 0.00 0.06 0.00 0.11 99.67 00:11:01 0 0.07 0.00 0.03 0.00 0.05 99.85 00:11:01 1 0.14 0.00 0.08 0.00 0.20 99.58 00:11:01 2 0.42 0.00 0.05 0.00 0.14 99.39 00:11:01 3 0.05 0.00 0.05 0.00 0.05 99.85 00:12:01 all 0.09 0.00 0.05 0.00 0.10 99.75 00:12:01 0 0.05 0.00 0.07 0.00 0.08 99.80 00:12:01 1 0.03 0.00 0.02 0.00 0.10 99.85 00:12:01 2 0.23 0.00 0.08 0.00 0.10 99.58 00:12:01 3 0.03 0.00 0.03 0.00 0.12 99.82 00:13:01 all 0.35 0.00 0.27 0.01 0.03 99.35 00:13:01 0 0.33 0.00 0.35 0.03 0.02 99.27 00:13:01 1 0.17 0.00 0.20 0.00 0.07 99.57 00:13:01 2 0.63 0.00 0.30 0.00 0.02 99.05 00:13:01 3 0.23 0.00 0.23 0.00 0.02 99.52 00:14:01 all 17.52 0.00 10.26 4.11 1.22 66.89 00:14:01 0 18.00 0.00 10.64 4.37 1.11 65.89 00:14:01 1 20.35 0.00 9.77 4.81 1.27 63.79 00:14:01 2 15.52 0.00 11.21 3.48 1.20 68.59 00:14:01 3 16.24 0.00 9.43 3.75 1.31 69.28 Average: all 3.60 0.00 2.11 0.81 0.30 93.19 Average: 0 3.63 0.00 2.18 0.86 0.26 93.07 Average: 1 4.13 0.00 2.00 0.95 0.34 92.59 Average: 2 3.37 0.00 2.31 0.69 0.30 93.34 Average: 3 3.28 0.00 1.93 0.74 0.31 93.75