---> uname -a: Linux 7357c1d19d93 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-48@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-48 ---> free -m: total used free shared buff/cache available Mem: 1838 626 66 0 1144 1106 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) 03/06/20 _x86_64_ (4 CPU) 15:45:44 LINUX RESTART 15:46:01 tps rtps wtps bread/s bwrtn/s 15:47:01 167.03 92.35 74.68 7080.73 36983.79 15:48:01 11.68 0.07 11.62 2.13 1981.86 15:49:01 0.67 0.00 0.67 0.00 9.16 15:50:01 0.55 0.00 0.55 0.00 7.29 15:51:01 0.65 0.00 0.65 0.00 7.93 Average: 36.15 18.50 17.65 1418.13 7806.17 15:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:47:01 111628 1770676 94.07 2620 1205496 961428 32.80 455408 1158768 52596 15:48:01 123008 1759296 93.47 2620 1205344 893876 30.50 447680 1157760 20 15:49:01 122304 1760000 93.50 2620 1205348 893948 30.50 448416 1157600 12 15:50:01 120764 1761540 93.58 2620 1205356 894252 30.51 450140 1157328 8 15:51:01 122688 1759616 93.48 2620 1205360 893940 30.50 448336 1157328 8 Average: 120078 1762226 93.62 2620 1205381 907489 30.96 449996 1157757 10529 15:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:47:01 eth0 254.60 196.59 986.65 83.58 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 1.13 1.08 0.23 1.45 0.00 0.00 0.00 15:48:01 eth0 0.42 0.08 0.02 0.01 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 eth0 1.13 0.32 0.53 0.02 0.00 0.00 0.00 15:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 eth0 0.57 0.47 0.51 0.39 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 51.42 39.55 197.76 16.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.23 0.22 0.05 0.29 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) 03/06/20 _x86_64_ (4 CPU) 15:45:44 LINUX RESTART 15:46:01 CPU %user %nice %system %iowait %steal %idle 15:47:01 all 15.28 0.00 9.01 8.38 15.72 51.60 15:47:01 0 13.14 0.00 8.12 7.22 17.97 53.55 15:47:01 1 18.56 0.00 7.93 9.94 14.78 48.80 15:47:01 2 13.89 0.00 11.29 7.31 14.58 52.93 15:47:01 3 15.56 0.00 8.75 9.09 15.46 51.14 15:48:01 all 0.11 0.00 0.10 0.00 0.14 99.65 15:48:01 0 0.18 0.00 0.13 0.00 0.17 99.52 15:48:01 1 0.08 0.00 0.05 0.00 0.13 99.73 15:48:01 2 0.08 0.00 0.10 0.00 0.10 99.72 15:48:01 3 0.10 0.00 0.12 0.00 0.17 99.62 15:49:01 all 0.13 0.00 0.05 0.00 0.13 99.69 15:49:01 0 0.38 0.00 0.03 0.00 0.13 99.45 15:49:01 1 0.07 0.00 0.05 0.00 0.17 99.72 15:49:01 2 0.05 0.00 0.05 0.00 0.02 99.88 15:49:01 3 0.07 0.00 0.05 0.00 0.22 99.67 15:50:01 all 0.07 0.00 0.05 0.00 0.62 99.26 15:50:01 0 0.02 0.00 0.02 0.00 0.38 99.58 15:50:01 1 0.08 0.00 0.07 0.00 0.45 99.40 15:50:01 2 0.12 0.00 0.03 0.00 0.48 99.37 15:50:01 3 0.07 0.00 0.05 0.00 1.14 98.74 15:51:01 all 0.10 0.00 0.05 0.00 0.29 99.56 15:51:01 0 0.05 0.00 0.05 0.00 0.42 99.48 15:51:01 1 0.27 0.00 0.03 0.00 0.25 99.45 15:51:01 2 0.03 0.00 0.03 0.00 0.43 99.50 15:51:01 3 0.05 0.00 0.07 0.00 0.07 99.82 Average: all 3.12 0.00 1.84 1.67 3.36 90.01 Average: 0 2.79 0.00 1.69 1.46 3.86 90.19 Average: 1 3.80 0.00 1.62 1.98 3.14 89.46 Average: 2 2.79 0.00 2.27 1.44 3.08 90.41 Average: 3 3.10 0.00 1.77 1.78 3.35 90.00