---> uname -a: Linux e15cb2586f8f 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 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-43 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 610 77 0 1150 1123 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) 04/22/20 _x86_64_ (4 CPU) 20:27:40 LINUX RESTART 20:28:01 tps rtps wtps bread/s bwrtn/s 20:29:01 92.33 37.08 55.25 4874.55 18995.27 20:30:01 3.75 0.00 3.75 0.00 115.65 20:31:02 0.23 0.00 0.23 0.00 3.25 20:32:01 0.29 0.00 0.29 0.00 3.25 20:33:01 0.85 0.62 0.23 135.75 3.46 Average: 19.56 7.57 11.99 1005.89 3838.85 20:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:29:01 105500 1776804 94.40 2620 1224572 940308 32.08 442064 1168212 20 20:30:01 115560 1766744 93.86 2620 1224692 900320 30.72 436068 1167768 12 20:31:02 114304 1768000 93.93 2620 1224700 900572 30.73 437532 1167752 8 20:32:01 114672 1767632 93.91 2620 1224700 900432 30.72 436960 1167752 8 20:33:01 102356 1779948 94.56 2620 1228860 902440 30.79 439408 1171732 64 Average: 110478 1771826 94.13 2620 1225505 908814 31.01 438406 1168643 22 20:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:29:01 eth0 426.49 238.86 1005.77 87.43 0.00 0.00 0.00 20:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 docker0 1.30 1.10 0.26 2.32 0.00 0.00 0.00 20:30:01 eth0 0.83 0.08 0.07 0.01 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:02 eth0 4.61 2.65 3.75 0.32 0.00 0.00 0.00 20:31:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 0.44 0.39 0.27 0.24 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 3.80 2.70 4.04 1.37 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 Average: eth0 87.57 49.12 203.56 17.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.22 0.05 0.47 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) 04/22/20 _x86_64_ (4 CPU) 20:27:40 LINUX RESTART 20:28:01 CPU %user %nice %system %iowait %steal %idle 20:29:01 all 14.19 0.00 6.10 4.98 0.58 74.16 20:29:01 0 14.32 0.00 6.84 5.75 0.58 72.52 20:29:01 1 15.58 0.00 5.82 4.82 0.54 73.23 20:29:01 2 14.12 0.00 5.61 4.10 0.58 75.59 20:29:01 3 12.73 0.00 6.13 5.26 0.61 75.27 20:30:01 all 0.17 0.00 0.07 0.00 0.03 99.73 20:30:01 0 0.05 0.00 0.07 0.00 0.03 99.85 20:30:01 1 0.05 0.00 0.08 0.00 0.02 99.85 20:30:01 2 0.48 0.00 0.08 0.00 0.03 99.40 20:30:01 3 0.07 0.00 0.07 0.00 0.03 99.83 20:31:02 all 0.21 0.00 0.05 0.00 0.03 99.70 20:31:02 0 0.10 0.00 0.07 0.00 0.05 99.78 20:31:02 1 0.07 0.00 0.05 0.00 0.03 99.85 20:31:02 2 0.58 0.00 0.07 0.00 0.03 99.32 20:31:02 3 0.12 0.00 0.03 0.00 0.03 99.82 20:32:01 all 0.17 0.00 0.05 0.00 0.02 99.76 20:32:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:32:01 1 0.10 0.00 0.07 0.00 0.05 99.78 20:32:01 2 0.53 0.00 0.05 0.00 0.03 99.39 20:32:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:33:01 all 0.42 0.00 0.28 0.01 0.03 99.27 20:33:01 0 0.38 0.00 0.25 0.02 0.03 99.32 20:33:01 1 0.27 0.00 0.28 0.00 0.00 99.45 20:33:01 2 0.70 0.00 0.32 0.00 0.03 98.95 20:33:01 3 0.30 0.00 0.23 0.00 0.02 99.45 Average: all 3.00 0.00 1.30 0.99 0.14 94.58 Average: 0 2.95 0.00 1.44 1.14 0.14 94.34 Average: 1 3.18 0.00 1.25 0.95 0.13 94.49 Average: 2 3.25 0.00 1.21 0.81 0.14 94.59 Average: 3 2.61 0.00 1.28 1.04 0.14 94.93