---> uname -a: Linux 9e24df13818e 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 7.9G 42.1G 16% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 694 132 0 1010 1043 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 8: eth0@if9: 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/17/20 _x86_64_ (4 CPU) 15:06:29 LINUX RESTART 15:07:01 tps rtps wtps bread/s bwrtn/s 15:08:01 91.02 49.88 41.13 7815.30 6556.65 15:09:01 1.47 0.00 1.47 0.00 23.76 15:10:01 0.27 0.00 0.27 0.00 3.50 15:11:01 0.35 0.00 0.35 0.00 4.93 15:12:01 1.65 0.25 1.40 204.32 244.78 15:13:01 367.46 216.54 150.92 11693.79 49674.71 Average: 77.45 44.69 32.76 3301.11 9472.81 15:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:08:01 175536 1706020 90.67 2620 1106816 1172848 40.03 458640 1087332 120 15:09:01 187788 1693768 90.02 2620 1106820 1075584 36.71 452940 1082852 20 15:10:01 185816 1695740 90.12 2620 1106828 1075652 36.71 455328 1082832 8 15:11:01 182692 1698864 90.29 2620 1106828 1075880 36.72 458624 1082816 16 15:12:01 92060 1789496 95.11 2620 1158936 1275632 43.54 511204 1115980 42100 15:13:01 72000 1809556 96.17 2588 1093672 1509900 51.53 693336 917608 8836 Average: 149315 1732241 92.06 2615 1113317 1197583 40.87 505012 1061570 8517 15:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:08:01 eth0 402.00 314.89 1641.50 403.52 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 86.89 84.61 7.78 301.70 0.00 0.00 0.00 15:09:01 eth0 0.37 0.08 0.02 0.08 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 eth0 0.50 0.08 0.05 0.01 0.00 0.00 0.00 15:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 eth0 1.13 0.52 0.57 0.39 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 eth0 34.40 25.51 706.05 3.03 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 eth0 220.25 143.98 5778.76 25.10 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 46.59 48.52 4.21 409.09 0.00 0.00 0.00 Average: eth0 110.19 81.14 1361.61 72.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.33 22.27 2.00 119.02 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/17/20 _x86_64_ (4 CPU) 15:06:29 LINUX RESTART 15:07:01 CPU %user %nice %system %iowait %steal %idle 15:08:01 all 15.69 0.00 6.85 3.31 14.96 59.19 15:08:01 0 16.79 0.00 6.70 5.34 15.53 55.63 15:08:01 1 12.22 0.00 7.15 3.73 15.83 61.08 15:08:01 2 17.79 0.00 6.86 2.66 14.45 58.23 15:08:01 3 16.13 0.00 6.68 1.48 13.96 61.76 15:09:01 all 0.12 0.00 0.06 0.00 0.19 99.64 15:09:01 0 0.05 0.00 0.05 0.00 0.14 99.76 15:09:01 1 0.34 0.00 0.08 0.00 0.29 99.29 15:09:01 2 0.03 0.00 0.03 0.00 0.29 99.64 15:09:01 3 0.05 0.00 0.07 0.00 0.07 99.81 15:10:01 all 0.12 0.00 0.03 0.00 0.22 99.63 15:10:01 0 0.00 0.00 0.02 0.00 0.13 99.85 15:10:01 1 0.40 0.00 0.02 0.00 0.38 99.20 15:10:01 2 0.05 0.00 0.03 0.00 0.27 99.65 15:10:01 3 0.02 0.00 0.05 0.00 0.10 99.83 15:11:01 all 0.14 0.00 0.04 0.00 0.17 99.66 15:11:01 0 0.42 0.00 0.03 0.00 0.17 99.38 15:11:01 1 0.07 0.00 0.08 0.00 0.20 99.65 15:11:01 2 0.03 0.00 0.03 0.00 0.12 99.82 15:11:01 3 0.02 0.00 0.02 0.00 0.20 99.77 15:12:01 all 0.40 0.00 0.29 0.01 0.92 98.37 15:12:01 0 0.65 0.00 0.43 0.00 1.11 97.80 15:12:01 1 0.32 0.00 0.32 0.00 0.96 98.41 15:12:01 2 0.33 0.00 0.23 0.03 0.70 98.70 15:12:01 3 0.33 0.00 0.22 0.00 0.91 98.54 15:13:01 all 9.17 0.00 6.05 3.40 14.84 66.53 15:13:01 0 6.74 0.00 4.48 1.90 15.52 71.35 15:13:01 1 9.71 0.00 6.15 4.17 14.76 65.21 15:13:01 2 10.23 0.00 6.66 3.83 15.19 64.10 15:13:01 3 10.09 0.00 6.95 3.76 13.87 65.34 Average: all 4.27 0.00 2.21 1.12 5.20 87.20 Average: 0 4.10 0.00 1.95 1.20 5.44 87.31 Average: 1 3.88 0.00 2.32 1.32 5.44 87.04 Average: 2 4.71 0.00 2.29 1.08 5.13 86.79 Average: 3 4.39 0.00 2.29 0.85 4.78 87.68