---> uname -a: Linux 36ca061d7a5c 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: 2933.436 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 789 125 0 922 982 Swap: 1023 3 1020 ---> 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) 09/18/20 _x86_64_ (4 CPU) 22:09:51 LINUX RESTART (4 CPU) 22:11:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:12:01 8.86 1.81 7.04 0.00 204.67 1338.74 0.00 22:13:01 0.75 0.00 0.75 0.00 0.00 9.64 0.00 22:14:01 0.25 0.00 0.25 0.00 0.00 3.76 0.00 22:15:01 11.24 2.46 8.77 0.00 591.18 6917.13 0.00 22:16:01 341.25 164.57 176.69 0.00 8134.62 52031.06 0.00 Average: 72.76 33.91 38.84 0.00 1793.15 12107.20 0.00 22:11:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:12:01 190136 0 584356 31.06 2620 1104444 1090260 37.21 454196 1079252 20 22:13:01 186180 0 588308 31.27 2620 1104448 1070848 36.55 460576 1077660 20 22:14:01 184724 0 589756 31.34 2620 1104456 1070968 36.55 461152 1077664 8 22:15:01 75884 0 675372 35.89 2620 1127680 1496072 51.06 552308 1088440 55812 22:16:01 130924 0 789448 41.96 1736 959448 1570760 53.61 614688 875376 93488 Average: 153570 0 645448 34.30 2443 1080095 1259782 42.99 508584 1039678 29870 22:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:12:01 eth0 111.26 68.93 24.75 316.59 0.00 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 4.26 1.67 2.98 0.11 0.00 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 1.05 0.60 0.55 0.39 0.00 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 395.37 350.57 3773.87 34.00 0.00 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 eth0 657.18 531.89 3955.40 81.31 0.00 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 57.91 60.53 4.67 408.89 0.00 0.00 0.00 0.00 Average: eth0 234.37 191.25 1557.43 85.71 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.63 12.16 0.94 82.14 0.00 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) 09/18/20 _x86_64_ (4 CPU) 22:09:51 LINUX RESTART (4 CPU) 22:11:02 CPU %user %nice %system %iowait %steal %idle 22:12:01 all 1.63 0.00 0.35 0.06 0.01 97.95 22:12:01 0 1.65 0.00 0.27 0.14 0.00 97.94 22:12:01 1 2.84 0.00 0.32 0.05 0.00 96.79 22:12:01 2 0.88 0.00 0.41 0.00 0.02 98.69 22:12:01 3 1.15 0.00 0.39 0.07 0.02 98.37 22:13:01 all 0.16 0.00 0.06 0.00 0.00 99.78 22:13:01 0 0.48 0.00 0.07 0.00 0.00 99.45 22:13:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:13:01 2 0.07 0.00 0.07 0.00 0.00 99.87 22:13:01 3 0.05 0.00 0.07 0.00 0.00 99.88 22:14:01 all 0.15 0.00 0.03 0.00 0.01 99.81 22:14:01 0 0.47 0.00 0.02 0.00 0.02 99.50 22:14:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:14:01 2 0.08 0.00 0.07 0.00 0.02 99.83 22:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:15:01 all 1.59 0.00 1.03 0.03 0.05 97.32 22:15:01 0 1.80 0.00 1.46 0.08 0.03 96.62 22:15:01 1 1.51 0.00 1.00 0.02 0.07 97.41 22:15:01 2 1.69 0.00 0.84 0.00 0.05 97.42 22:15:01 3 1.35 0.00 0.80 0.00 0.03 97.81 22:16:01 all 15.63 0.00 9.47 4.36 0.29 70.25 22:16:01 0 15.06 0.00 9.52 4.33 0.28 70.80 22:16:01 1 14.73 0.00 8.99 4.52 0.36 71.40 22:16:01 2 16.52 0.00 9.67 4.02 0.26 69.53 22:16:01 3 16.22 0.00 9.70 4.54 0.28 69.26 Average: all 3.75 0.00 2.14 0.87 0.07 93.17 Average: 0 3.81 0.00 2.22 0.89 0.06 93.03 Average: 1 3.76 0.00 2.03 0.90 0.08 93.23 Average: 2 3.77 0.00 2.17 0.79 0.07 93.21 Average: 3 3.67 0.00 2.15 0.90 0.06 93.22