---> uname -a: Linux 2d4f06648530 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 6.3G 43.7G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-46@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 68 0 1174 1137 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) 02/27/20 _x86_64_ (4 CPU) 17:58:59 LINUX RESTART 18:00:01 tps rtps wtps bread/s bwrtn/s 18:01:01 13.35 1.36 11.99 80.74 1723.30 18:02:01 2.76 0.08 2.68 1.60 90.70 Average: 8.06 0.72 7.33 41.18 907.13 18:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:01:01 113356 1768948 93.98 2620 1235440 959416 32.73 427608 1181932 20 18:02:01 118972 1763332 93.68 2620 1235584 943984 32.21 423552 1181528 16 Average: 116164 1766140 93.83 2620 1235512 951700 32.47 425580 1181730 18 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:01:01 eth0 18.81 16.11 21.28 16.42 0.00 0.00 0.00 18:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 docker0 1.10 0.90 0.22 1.46 0.00 0.00 0.00 18:02:01 eth0 1.40 0.45 0.51 0.21 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 10.10 8.28 10.89 8.31 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.55 0.45 0.11 0.73 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) 02/27/20 _x86_64_ (4 CPU) 17:58:59 LINUX RESTART 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:01:01 all 1.09 0.00 1.00 0.05 5.32 92.55 18:01:01 0 1.09 0.00 1.02 0.05 5.65 92.20 18:01:01 1 1.31 0.00 1.10 0.07 5.09 92.44 18:01:01 2 1.00 0.00 0.86 0.05 5.35 92.74 18:01:01 3 0.94 0.00 0.99 0.05 5.19 92.83 18:02:01 all 0.12 0.00 0.06 0.00 0.54 99.28 18:02:01 0 0.07 0.00 0.05 0.00 0.58 99.30 18:02:01 1 0.05 0.00 0.08 0.00 0.30 99.57 18:02:01 2 0.25 0.00 0.08 0.02 0.70 98.95 18:02:01 3 0.08 0.00 0.03 0.00 0.58 99.30 Average: all 0.61 0.00 0.53 0.03 2.96 95.88 Average: 0 0.58 0.00 0.54 0.02 3.14 95.71 Average: 1 0.68 0.00 0.59 0.03 2.71 95.97 Average: 2 0.63 0.00 0.48 0.03 3.06 95.80 Average: 3 0.52 0.00 0.52 0.02 2.91 96.03