---> uname -a: Linux 5cb80918fdd4 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-51 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 630 69 0 1137 1101 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) 04/14/20 _x86_64_ (4 CPU) 23:47:13 LINUX RESTART 23:48:01 tps rtps wtps bread/s bwrtn/s 23:49:01 11.11 1.07 10.04 66.09 1924.85 23:50:01 2.95 0.00 2.95 0.00 94.82 23:51:01 0.33 0.00 0.33 0.00 5.43 Average: 4.80 0.36 4.44 22.03 674.96 23:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:49:01 113456 1768848 93.97 2620 1202900 948864 32.37 467808 1143420 12 23:50:01 118764 1763540 93.69 2620 1202904 928480 31.68 463372 1143060 8 23:51:01 118616 1763688 93.70 2620 1202916 928516 31.68 463644 1143060 8 Average: 116945 1765359 93.79 2620 1202907 935287 31.91 464941 1143180 9 23:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:49:01 eth0 11.64 8.03 9.11 16.88 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 1.80 0.38 0.37 0.20 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 1.00 0.42 0.34 0.21 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.81 2.94 3.27 5.76 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 0.01 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) 04/14/20 _x86_64_ (4 CPU) 23:47:13 LINUX RESTART 23:48:01 CPU %user %nice %system %iowait %steal %idle 23:49:01 all 0.59 0.00 0.18 0.01 0.00 99.22 23:49:01 0 0.55 0.00 0.22 0.00 0.00 99.23 23:49:01 1 0.85 0.00 0.22 0.00 0.02 98.91 23:49:01 2 0.45 0.00 0.15 0.00 0.00 99.40 23:49:01 3 0.50 0.00 0.13 0.03 0.00 99.33 23:50:01 all 0.08 0.00 0.05 0.00 0.00 99.87 23:50:01 0 0.08 0.00 0.05 0.00 0.02 99.85 23:50:01 1 0.08 0.00 0.05 0.00 0.00 99.87 23:50:01 2 0.12 0.00 0.05 0.00 0.00 99.83 23:50:01 3 0.07 0.00 0.07 0.00 0.00 99.87 23:51:01 all 0.13 0.00 0.06 0.00 0.00 99.80 23:51:01 0 0.07 0.00 0.05 0.00 0.00 99.88 23:51:01 1 0.33 0.00 0.07 0.00 0.00 99.60 23:51:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:51:01 3 0.07 0.00 0.07 0.00 0.02 99.85 Average: all 0.27 0.00 0.10 0.00 0.00 99.63 Average: 0 0.23 0.00 0.11 0.00 0.01 99.66 Average: 1 0.42 0.00 0.11 0.00 0.01 99.46 Average: 2 0.21 0.00 0.08 0.00 0.00 99.72 Average: 3 0.21 0.00 0.09 0.01 0.01 99.68