---> uname -a: Linux fcaf0c74ed72 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/ndry_app-functions-sdk-go_PR-284 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/ndry_app-functions-sdk-go_PR-284@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 625 66 0 1145 1108 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) 02/14/20 _x86_64_ (4 CPU) 21:15:06 LINUX RESTART 21:16:01 tps rtps wtps bread/s bwrtn/s 21:17:02 10.79 0.08 10.71 2.66 2381.45 21:18:01 2.98 0.00 2.98 0.00 96.71 21:19:01 0.67 0.00 0.67 0.00 8.36 21:20:01 0.57 0.00 0.57 0.00 6.15 21:21:01 0.65 0.00 0.65 0.00 7.53 21:22:01 0.78 0.02 0.77 0.13 9.46 21:23:01 28.49 27.78 0.72 1979.02 12.09 Average: 6.43 3.99 2.44 283.83 360.98 21:16:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:17:02 189880 1692424 89.91 2620 1164332 900112 30.71 400288 1136264 20 21:18:01 190080 1692224 89.90 2620 1164344 900112 30.71 402560 1133780 8 21:19:01 186216 1696088 90.11 2620 1164348 900316 30.72 410324 1129672 8 21:20:01 187712 1694592 90.03 2620 1164348 900112 30.71 409424 1129588 8 21:21:01 187364 1694940 90.05 2620 1164356 900184 30.71 409700 1129588 8 21:22:01 187480 1694824 90.04 2620 1164364 900112 30.71 409456 1129588 8 21:23:01 101360 1780944 94.62 2620 1223864 927864 31.66 430420 1187108 20 Average: 175727 1706577 90.66 2620 1172851 904116 30.85 410310 1139370 11 21:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:17:02 eth0 0.90 0.08 0.06 0.01 0.00 0.00 0.00 21:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 eth0 1.19 0.08 0.11 0.01 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 1.35 0.80 0.57 0.41 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 eth0 0.22 0.15 0.13 0.07 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 eth0 7.41 4.88 7.64 2.79 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.61 0.88 1.22 0.47 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) 02/14/20 _x86_64_ (4 CPU) 21:15:06 LINUX RESTART 21:16:01 CPU %user %nice %system %iowait %steal %idle 21:17:02 all 0.21 0.00 0.13 0.04 0.00 99.61 21:17:02 0 0.03 0.00 0.10 0.00 0.02 99.85 21:17:02 1 0.10 0.00 0.12 0.00 0.02 99.77 21:17:02 2 0.13 0.00 0.15 0.00 0.00 99.72 21:17:02 3 0.58 0.00 0.15 0.17 0.02 99.08 21:18:01 all 0.19 0.00 0.06 0.00 0.00 99.75 21:18:01 0 0.03 0.00 0.07 0.00 0.00 99.90 21:18:01 1 0.12 0.00 0.08 0.00 0.00 99.80 21:18:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:18:01 3 0.56 0.00 0.05 0.00 0.00 99.39 21:19:01 all 0.20 0.00 0.10 0.00 0.00 99.70 21:19:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:19:01 1 0.28 0.00 0.12 0.00 0.00 99.60 21:19:01 2 0.15 0.00 0.15 0.00 0.00 99.70 21:19:01 3 0.37 0.00 0.07 0.00 0.00 99.57 21:20:01 all 0.18 0.00 0.07 0.00 0.00 99.75 21:20:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:20:01 1 0.55 0.00 0.07 0.00 0.00 99.38 21:20:01 2 0.08 0.00 0.08 0.00 0.00 99.83 21:20:01 3 0.08 0.00 0.08 0.00 0.00 99.83 21:21:01 all 0.12 0.00 0.06 0.00 0.00 99.82 21:21:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:21:01 1 0.33 0.00 0.07 0.00 0.00 99.60 21:21:01 2 0.07 0.00 0.10 0.00 0.00 99.83 21:21:01 3 0.02 0.00 0.05 0.00 0.00 99.93 21:22:01 all 0.05 0.00 0.05 0.00 0.00 99.89 21:22:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:22:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:22:01 2 0.10 0.00 0.12 0.00 0.02 99.77 21:22:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:23:01 all 0.55 0.00 0.44 0.69 0.00 98.31 21:23:01 0 0.52 0.00 0.38 0.20 0.00 98.90 21:23:01 1 0.69 0.00 0.65 1.52 0.00 97.14 21:23:01 2 0.50 0.00 0.35 0.22 0.00 98.93 21:23:01 3 0.52 0.00 0.40 0.80 0.00 98.28 Average: all 0.22 0.00 0.13 0.10 0.00 99.55 Average: 0 0.10 0.00 0.10 0.03 0.00 99.78 Average: 1 0.31 0.00 0.16 0.22 0.00 99.31 Average: 2 0.16 0.00 0.14 0.03 0.00 99.67 Average: 3 0.31 0.00 0.12 0.14 0.00 99.43