---> uname -a: Linux faae97d30315 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 6.3G 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-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 602 76 0 1159 1130 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) 04/14/20 _x86_64_ (4 CPU) 03:49:53 LINUX RESTART 03:51:01 tps rtps wtps bread/s bwrtn/s 03:52:01 9.29 0.00 9.29 0.00 1749.26 03:53:01 0.67 0.00 0.67 0.00 8.77 03:54:01 0.70 0.00 0.70 0.00 8.41 03:55:01 117.23 76.03 41.20 4354.65 17064.01 Average: 31.98 19.01 12.97 1088.94 4708.64 03:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:52:01 124396 1757908 93.39 2620 1230928 897812 30.63 419848 1180200 8 03:53:01 124228 1758076 93.40 2620 1230932 888828 30.33 420576 1179780 8 03:54:01 123996 1758308 93.41 2620 1230940 888840 30.33 420872 1179780 8 03:55:01 111548 1770756 94.07 2620 1190044 971540 33.15 420900 1154096 81216 Average: 121042 1761262 93.57 2620 1220711 911755 31.11 420549 1173464 20310 03:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:52:01 eth0 1.67 0.50 1.01 0.09 0.00 0.00 0.00 03:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 eth0 0.92 0.30 0.31 0.20 0.00 0.00 0.00 03:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 eth0 0.67 0.57 0.43 0.22 0.00 0.00 0.00 03:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 eth0 106.83 77.69 2329.16 10.62 0.00 0.00 0.00 03:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 27.52 19.77 582.87 2.78 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) 04/14/20 _x86_64_ (4 CPU) 03:49:53 LINUX RESTART 03:51:01 CPU %user %nice %system %iowait %steal %idle 03:52:01 all 0.20 0.00 0.09 0.00 0.03 99.68 03:52:01 0 0.10 0.00 0.05 0.00 0.02 99.83 03:52:01 1 0.07 0.00 0.12 0.00 0.03 99.78 03:52:01 2 0.48 0.00 0.05 0.00 0.02 99.45 03:52:01 3 0.15 0.00 0.13 0.00 0.03 99.68 03:53:01 all 0.19 0.00 0.06 0.00 0.02 99.73 03:53:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:53:01 1 0.10 0.00 0.07 0.00 0.00 99.83 03:53:01 2 0.50 0.00 0.05 0.00 0.02 99.43 03:53:01 3 0.10 0.00 0.08 0.00 0.07 99.75 03:54:01 all 0.18 0.00 0.05 0.00 0.02 99.76 03:54:01 0 0.07 0.00 0.07 0.00 0.02 99.85 03:54:01 1 0.07 0.00 0.07 0.00 0.02 99.85 03:54:01 2 0.50 0.00 0.03 0.00 0.02 99.45 03:54:01 3 0.07 0.00 0.02 0.00 0.00 99.92 03:55:01 all 4.94 0.00 2.84 1.19 0.64 90.39 03:55:01 0 4.17 0.00 2.55 0.03 0.54 92.71 03:55:01 1 5.91 0.00 3.18 1.23 0.59 89.08 03:55:01 2 5.26 0.00 2.96 1.77 0.67 89.34 03:55:01 3 4.41 0.00 2.64 1.72 0.74 90.48 Average: all 1.37 0.00 0.75 0.30 0.18 97.41 Average: 0 1.09 0.00 0.67 0.01 0.14 98.09 Average: 1 1.53 0.00 0.85 0.31 0.16 97.16 Average: 2 1.68 0.00 0.77 0.44 0.18 96.94 Average: 3 1.18 0.00 0.72 0.43 0.21 97.47