---> uname -a: Linux cf14893d6d10 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: 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 625 71 0 1141 1107 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) 20:29:03 LINUX RESTART 20:30:02 tps rtps wtps bread/s bwrtn/s 20:31:01 8.45 0.07 8.38 2.17 1800.44 20:32:01 2.42 0.00 2.42 0.00 85.06 20:33:01 0.28 0.00 0.28 0.00 3.63 20:34:01 0.32 0.00 0.32 0.00 3.61 20:35:01 0.20 0.00 0.20 0.00 2.88 20:36:02 93.36 54.12 39.24 3696.06 16322.53 Average: 17.54 9.06 8.48 618.44 3041.41 20:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:31:01 123768 1758536 93.42 2620 1204400 891684 30.42 432032 1170744 12 20:32:01 122784 1759520 93.48 2620 1204404 892096 30.44 433524 1170304 8 20:33:01 122976 1759328 93.47 2620 1204412 892060 30.44 433224 1170304 8 20:34:01 122668 1759636 93.48 2620 1204412 892108 30.44 437592 1166236 8 20:35:01 123304 1759000 93.45 2620 1204476 892060 30.44 437564 1166248 24 20:36:02 100484 1781820 94.66 2620 1175592 992872 33.88 423368 1164292 37320 Average: 119331 1762973 93.66 2620 1199616 908813 31.01 432884 1168021 6230 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:31:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 1.55 0.43 0.36 0.21 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 1.38 0.60 0.57 0.40 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 1.40 0.68 0.57 0.40 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 0.28 0.25 0.16 0.08 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:02 eth0 93.21 76.19 2110.16 9.06 0.00 0.00 0.00 20:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.37 13.08 353.16 1.70 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) 01/07/20 _x86_64_ (4 CPU) 20:29:03 LINUX RESTART 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:31:01 all 0.19 0.00 0.09 0.00 0.02 99.69 20:31:01 0 0.07 0.00 0.07 0.00 0.02 99.85 20:31:01 1 0.51 0.00 0.08 0.00 0.03 99.37 20:31:01 2 0.14 0.00 0.15 0.00 0.02 99.69 20:31:01 3 0.07 0.00 0.07 0.00 0.02 99.85 20:32:01 all 0.20 0.00 0.06 0.00 0.02 99.72 20:32:01 0 0.10 0.00 0.03 0.00 0.00 99.87 20:32:01 1 0.57 0.00 0.05 0.00 0.02 99.37 20:32:01 2 0.07 0.00 0.05 0.00 0.00 99.88 20:32:01 3 0.08 0.00 0.12 0.00 0.03 99.77 20:33:01 all 0.18 0.00 0.05 0.00 0.01 99.75 20:33:01 0 0.03 0.00 0.02 0.00 0.02 99.93 20:33:01 1 0.33 0.00 0.05 0.00 0.02 99.60 20:33:01 2 0.27 0.00 0.07 0.00 0.02 99.65 20:33:01 3 0.08 0.00 0.07 0.00 0.02 99.83 20:34:01 all 0.20 0.00 0.06 0.00 0.04 99.70 20:34:01 0 0.07 0.00 0.07 0.00 0.03 99.83 20:34:01 1 0.07 0.00 0.03 0.00 0.02 99.88 20:34:01 2 0.58 0.00 0.08 0.00 0.07 99.27 20:34:01 3 0.07 0.00 0.10 0.00 0.03 99.80 20:35:01 all 0.17 0.00 0.05 0.00 0.01 99.77 20:35:01 0 0.03 0.00 0.02 0.00 0.02 99.93 20:35:01 1 0.03 0.00 0.05 0.00 0.00 99.92 20:35:01 2 0.52 0.00 0.07 0.00 0.00 99.42 20:35:01 3 0.05 0.00 0.05 0.00 0.00 99.90 20:36:02 all 4.64 0.00 2.72 1.17 0.18 91.29 20:36:02 0 4.87 0.00 2.50 0.20 0.24 92.19 20:36:02 1 3.75 0.00 2.55 0.52 0.15 93.03 20:36:02 2 5.18 0.00 2.81 2.64 0.18 89.19 20:36:02 3 4.81 0.00 3.02 1.33 0.15 90.69 Average: all 0.93 0.00 0.50 0.19 0.05 98.33 Average: 0 0.86 0.00 0.45 0.03 0.05 98.61 Average: 1 0.87 0.00 0.47 0.09 0.04 98.53 Average: 2 1.12 0.00 0.54 0.44 0.05 97.86 Average: 3 0.86 0.00 0.57 0.22 0.04 98.31