---> uname -a: Linux bc48b8812c4d 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 779 117 0 939 988 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 07/30/20 _x86_64_ (4 CPU) 22:07:30 LINUX RESTART 22:08:02 tps rtps wtps bread/s bwrtn/s 22:09:01 76.73 30.60 46.12 7469.74 6660.51 22:10:01 1.72 0.00 1.72 0.00 32.73 22:11:01 0.30 0.00 0.30 0.00 4.06 22:12:01 0.25 0.00 0.25 0.00 2.56 22:13:01 406.61 203.00 203.61 8783.09 60942.34 Average: 97.23 46.80 50.44 3237.85 13557.94 22:08:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:09:01 207948 1673608 88.95 2620 1072408 1119300 38.20 453560 1061920 120 22:10:01 212228 1669328 88.72 2620 1072524 1106408 37.76 452204 1059392 16 22:11:01 210776 1670780 88.80 2620 1072532 1106432 37.76 454464 1059176 8 22:12:01 210948 1670608 88.79 2620 1072532 1094072 37.34 455764 1057612 20 22:13:01 140824 1740732 92.52 1648 984484 1311648 44.76 561176 906656 70592 Average: 196545 1685011 89.55 2426 1054896 1147572 39.16 475434 1028951 14151 22:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:09:01 eth0 847.39 563.30 1698.86 427.97 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 118.13 91.66 9.84 307.65 0.00 0.00 0.00 22:10:01 eth0 1.63 0.35 0.38 0.16 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 eth0 1.88 1.00 0.85 0.63 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 eth0 0.48 0.28 0.33 0.05 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 502.20 320.10 7593.51 66.35 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 41.89 41.04 3.89 307.98 0.00 0.00 0.00 Average: eth0 268.90 175.79 1860.20 97.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 31.73 26.33 2.72 122.56 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) 07/30/20 _x86_64_ (4 CPU) 22:07:30 LINUX RESTART 22:08:02 CPU %user %nice %system %iowait %steal %idle 22:09:01 all 14.40 0.00 5.17 2.38 0.01 78.04 22:09:01 0 12.57 0.00 6.42 0.79 0.00 80.22 22:09:01 1 14.09 0.00 4.89 4.88 0.03 76.11 22:09:01 2 11.94 0.00 4.90 1.33 0.02 81.80 22:09:01 3 18.98 0.00 4.51 2.47 0.00 74.04 22:10:01 all 0.17 0.00 0.05 0.00 0.00 99.78 22:10:01 0 0.52 0.00 0.02 0.00 0.00 99.47 22:10:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:10:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:10:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:11:01 all 0.17 0.00 0.03 0.00 0.00 99.80 22:11:01 0 0.50 0.00 0.03 0.00 0.00 99.47 22:11:01 1 0.05 0.00 0.07 0.00 0.00 99.88 22:11:01 2 0.08 0.00 0.03 0.00 0.00 99.88 22:11:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:12:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:12:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:12:01 2 0.48 0.00 0.05 0.00 0.00 99.47 22:12:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:13:01 all 16.38 0.00 9.93 3.95 0.06 69.68 22:13:01 0 16.21 0.00 9.09 2.84 0.07 71.79 22:13:01 1 16.83 0.00 10.71 2.60 0.07 69.78 22:13:01 2 16.30 0.00 10.90 4.63 0.05 68.12 22:13:01 3 16.15 0.00 8.99 5.74 0.05 69.06 Average: all 6.17 0.00 3.00 1.25 0.02 89.56 Average: 0 5.88 0.00 3.07 0.72 0.01 90.31 Average: 1 6.13 0.00 3.11 1.48 0.02 89.26 Average: 2 5.71 0.00 3.15 1.18 0.01 89.94 Average: 3 6.94 0.00 2.68 1.62 0.01 88.75