---> uname -a: Linux da90d3eb0e28 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-47@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-47 ---> free -m: total used free shared buff/cache available Mem: 1838 615 74 0 1148 1118 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) 03/03/20 _x86_64_ (4 CPU) 00:30:31 LINUX RESTART 00:31:01 tps rtps wtps bread/s bwrtn/s 00:32:01 48.38 10.90 37.48 2484.54 3352.32 00:33:01 2.86 0.00 2.86 0.00 93.39 00:34:01 0.67 0.00 0.67 0.00 8.89 00:35:01 0.53 0.00 0.53 0.00 6.36 00:36:01 116.37 72.13 44.24 4321.81 16878.64 Average: 33.77 16.61 17.16 1361.65 4068.65 00:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:32:01 109840 1772464 94.16 2620 1218272 937772 32.00 454528 1159636 20 00:33:01 116952 1765352 93.79 2620 1218276 902172 30.78 448896 1159336 8 00:34:01 116240 1766064 93.82 2620 1218284 902328 30.79 449800 1159340 8 00:35:01 117380 1764924 93.76 2620 1218288 902136 30.78 448896 1159336 8 00:36:01 91004 1791300 95.17 2620 1188440 981204 33.48 422276 1168808 33340 Average: 110283 1772021 94.14 2620 1212312 925122 31.56 444879 1161291 6677 00:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:32:01 eth0 292.84 194.66 735.25 74.14 0.00 0.00 0.00 00:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 docker0 0.90 0.80 0.21 1.43 0.00 0.00 0.00 00:33:01 eth0 1.10 0.37 0.31 0.03 0.00 0.00 0.00 00:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 eth0 1.20 0.70 0.56 0.38 0.00 0.00 0.00 00:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 00:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:01 eth0 88.78 72.56 2117.81 11.67 0.00 0.00 0.00 00:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 76.84 53.70 570.92 17.26 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.18 0.16 0.04 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) 03/03/20 _x86_64_ (4 CPU) 00:30:31 LINUX RESTART 00:31:01 CPU %user %nice %system %iowait %steal %idle 00:32:01 all 6.98 0.00 2.61 1.17 0.01 89.23 00:32:01 0 6.43 0.00 2.87 0.12 0.00 90.58 00:32:01 1 7.75 0.00 2.55 0.35 0.02 89.34 00:32:01 2 6.42 0.00 2.40 0.05 0.00 91.13 00:32:01 3 7.35 0.00 2.62 4.16 0.02 85.85 00:33:01 all 0.20 0.00 0.05 0.00 0.00 99.74 00:33:01 0 0.05 0.00 0.03 0.00 0.00 99.92 00:33:01 1 0.57 0.00 0.07 0.00 0.00 99.37 00:33:01 2 0.10 0.00 0.07 0.00 0.00 99.83 00:33:01 3 0.08 0.00 0.07 0.00 0.00 99.85 00:34:01 all 0.20 0.00 0.05 0.00 0.00 99.74 00:34:01 0 0.05 0.00 0.03 0.00 0.00 99.92 00:34:01 1 0.57 0.00 0.05 0.00 0.00 99.38 00:34:01 2 0.10 0.00 0.08 0.00 0.00 99.82 00:34:01 3 0.10 0.00 0.03 0.00 0.00 99.87 00:35:01 all 0.18 0.00 0.05 0.00 0.00 99.77 00:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 00:35:01 1 0.57 0.00 0.05 0.00 0.00 99.38 00:35:01 2 0.07 0.00 0.07 0.00 0.00 99.87 00:35:01 3 0.07 0.00 0.05 0.00 0.00 99.88 00:36:01 all 4.84 0.00 3.09 1.73 0.01 90.33 00:36:01 0 4.69 0.00 3.45 3.27 0.02 88.57 00:36:01 1 4.79 0.00 2.88 1.19 0.00 91.14 00:36:01 2 4.32 0.00 2.97 1.71 0.02 90.98 00:36:01 3 5.55 0.00 3.07 0.77 0.02 90.59 Average: all 2.47 0.00 1.17 0.58 0.00 95.78 Average: 0 2.24 0.00 1.28 0.68 0.00 95.80 Average: 1 2.84 0.00 1.12 0.31 0.00 95.73 Average: 2 2.20 0.00 1.11 0.35 0.00 96.34 Average: 3 2.62 0.00 1.16 0.98 0.01 95.23