---> uname -a: Linux 2bcf2576c50d 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: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 43.8G 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 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-messaging_PR-40 /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-messaging_PR-40@tmp /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 585 68 0 1184 1147 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) 01/07/20 _x86_64_ (4 CPU) 20:40:18 LINUX RESTART 20:41:01 tps rtps wtps bread/s bwrtn/s 20:42:01 42.95 9.37 33.59 2229.25 3313.29 20:43:01 1.71 0.07 1.65 2.13 72.19 20:44:01 0.28 0.00 0.28 0.00 3.78 20:45:01 0.32 0.00 0.32 0.00 3.01 20:46:02 0.42 0.00 0.42 0.00 5.80 20:47:01 0.30 0.00 0.30 0.00 4.22 Average: 7.69 1.58 6.11 373.11 568.87 20:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:42:01 123644 1758660 93.43 2620 1231712 970032 33.10 433276 1168680 20 20:43:01 133164 1749140 92.93 2620 1231716 904500 30.86 426584 1167388 8 20:44:01 132348 1749956 92.97 2620 1231724 904696 30.87 427364 1167388 8 20:45:01 131848 1750456 93.00 2620 1231724 904832 30.87 428520 1166684 16 20:46:02 132048 1750256 92.98 2620 1231732 904820 30.87 428432 1166676 16 20:47:01 132404 1749900 92.97 2620 1231736 902872 30.81 428188 1166676 20 Average: 130909 1751395 93.05 2620 1231724 915292 31.23 428727 1167249 15 20:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:42:01 eth0 133.32 108.43 583.08 56.81 0.00 0.00 0.00 20:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 docker0 0.80 0.78 0.18 1.12 0.00 0.00 0.00 20:43:01 eth0 1.73 0.25 0.38 0.19 0.00 0.00 0.00 20:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 eth0 1.71 0.87 0.83 0.57 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 eth0 2.08 0.72 0.90 0.61 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:02 eth0 2.15 0.65 0.76 0.46 0.00 0.00 0.00 20:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 eth0 2.07 0.66 0.63 0.42 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.91 18.65 98.08 9.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.13 0.03 0.19 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) 01/07/20 _x86_64_ (4 CPU) 20:40:18 LINUX RESTART 20:41:01 CPU %user %nice %system %iowait %steal %idle 20:42:01 all 4.79 0.00 2.75 0.83 7.06 84.58 20:42:01 0 4.13 0.00 3.04 0.17 7.73 84.94 20:42:01 1 3.44 0.00 2.33 0.15 8.08 86.00 20:42:01 2 5.78 0.00 2.34 1.72 6.60 83.56 20:42:01 3 5.82 0.00 3.29 1.28 5.79 83.81 20:43:01 all 0.15 0.00 0.08 0.00 0.07 99.70 20:43:01 0 0.40 0.00 0.03 0.00 0.07 99.50 20:43:01 1 0.12 0.00 0.12 0.00 0.12 99.65 20:43:01 2 0.05 0.00 0.05 0.00 0.03 99.87 20:43:01 3 0.05 0.00 0.12 0.00 0.07 99.77 20:44:01 all 0.13 0.00 0.05 0.00 0.33 99.49 20:44:01 0 0.07 0.00 0.05 0.00 0.18 99.70 20:44:01 1 0.08 0.00 0.07 0.00 0.60 99.25 20:44:01 2 0.25 0.00 0.02 0.00 0.25 99.48 20:44:01 3 0.12 0.00 0.03 0.00 0.32 99.53 20:45:01 all 0.11 0.00 0.06 0.00 0.23 99.60 20:45:01 0 0.13 0.00 0.05 0.00 0.30 99.52 20:45:01 1 0.07 0.00 0.07 0.00 0.25 99.62 20:45:01 2 0.17 0.00 0.07 0.00 0.25 99.52 20:45:01 3 0.07 0.00 0.07 0.00 0.13 99.73 20:46:02 all 0.11 0.00 0.10 0.00 0.87 98.93 20:46:02 0 0.10 0.00 0.05 0.00 0.68 99.17 20:46:02 1 0.13 0.00 0.10 0.00 1.49 98.28 20:46:02 2 0.07 0.00 0.07 0.00 0.55 99.32 20:46:02 3 0.15 0.00 0.18 0.00 0.75 98.92 20:47:01 all 0.09 0.00 0.03 0.00 0.95 98.93 20:47:01 0 0.08 0.00 0.03 0.00 0.59 99.29 20:47:01 1 0.07 0.00 0.03 0.00 1.66 98.24 20:47:01 2 0.08 0.00 0.02 0.00 0.78 99.12 20:47:01 3 0.12 0.00 0.02 0.00 0.74 99.12 Average: all 0.90 0.00 0.51 0.14 1.59 96.85 Average: 0 0.82 0.00 0.54 0.03 1.60 97.01 Average: 1 0.66 0.00 0.46 0.02 2.05 96.80 Average: 2 1.07 0.00 0.43 0.29 1.41 96.80 Average: 3 1.06 0.00 0.62 0.21 1.30 96.81