---> uname -a: Linux 7f25578e454a 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 691 135 0 1010 1046 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 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) 08/05/20 _x86_64_ (4 CPU) 00:07:10 LINUX RESTART 00:08:01 tps rtps wtps bread/s bwrtn/s 00:09:01 22.76 5.03 17.73 1194.27 3185.48 00:10:01 1.65 0.00 1.65 0.00 30.18 00:11:01 0.27 0.00 0.27 0.00 3.76 00:12:01 0.23 0.00 0.23 0.00 2.83 Average: 6.23 1.26 4.97 298.64 805.76 00:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:09:01 222168 1659388 88.19 2620 1069228 1111856 37.95 448816 1052308 20 00:10:01 225824 1655732 88.00 2620 1069232 1078480 36.81 449052 1049100 8 00:11:01 225044 1656512 88.04 2620 1069240 1078672 36.81 450044 1049100 16 00:12:01 224088 1657468 88.09 2620 1069240 1078480 36.81 451044 1049032 12 Average: 224281 1657275 88.08 2620 1069235 1086872 37.09 449739 1049885 14 00:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:09:01 eth0 232.85 201.15 349.21 348.26 0.00 0.00 0.00 00:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:09:01 docker0 114.52 88.79 9.64 302.70 0.00 0.00 0.00 00:10:01 eth0 0.55 0.08 0.06 0.01 0.00 0.00 0.00 00:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 eth0 1.45 0.78 0.58 0.41 0.00 0.00 0.00 00:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 00:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 58.74 50.52 87.48 87.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 28.64 22.20 2.41 75.69 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) 08/05/20 _x86_64_ (4 CPU) 00:07:10 LINUX RESTART 00:08:01 CPU %user %nice %system %iowait %steal %idle 00:09:01 all 3.59 0.00 1.47 0.67 0.00 94.26 00:09:01 0 3.05 0.00 1.64 0.39 0.00 94.93 00:09:01 1 3.89 0.00 1.62 1.57 0.00 92.92 00:09:01 2 3.93 0.00 1.27 0.62 0.02 94.17 00:09:01 3 3.48 0.00 1.37 0.10 0.00 95.05 00:10:01 all 0.15 0.00 0.04 0.00 0.00 99.81 00:10:01 0 0.50 0.00 0.05 0.00 0.00 99.45 00:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:10:01 2 0.03 0.00 0.05 0.00 0.02 99.90 00:10:01 3 0.00 0.00 0.03 0.00 0.00 99.97 00:11:01 all 0.17 0.00 0.03 0.00 0.00 99.80 00:11:01 0 0.52 0.00 0.03 0.00 0.02 99.43 00:11:01 1 0.05 0.00 0.02 0.00 0.00 99.93 00:11:01 2 0.05 0.00 0.02 0.00 0.00 99.93 00:11:01 3 0.07 0.00 0.07 0.00 0.00 99.87 00:12:01 all 0.15 0.00 0.02 0.00 0.00 99.83 00:12:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:12:01 1 0.00 0.00 0.02 0.00 0.00 99.98 00:12:01 2 0.03 0.00 0.02 0.00 0.00 99.95 00:12:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 1.01 0.00 0.39 0.17 0.00 98.43 Average: 0 1.14 0.00 0.43 0.10 0.00 98.32 Average: 1 0.99 0.00 0.42 0.39 0.00 98.20 Average: 2 1.01 0.00 0.34 0.15 0.01 98.49 Average: 3 0.89 0.00 0.38 0.03 0.00 98.71