---> uname -a: Linux f83e820b7217 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 702 122 0 1012 1034 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) 08/18/20 _x86_64_ (4 CPU) 15:43:52 LINUX RESTART 15:45:01 tps rtps wtps bread/s bwrtn/s 15:46:01 2.41 0.00 2.41 0.00 52.54 15:47:01 0.40 0.00 0.40 0.00 5.65 15:48:01 0.25 0.00 0.25 0.00 2.85 15:49:01 0.18 0.00 0.18 0.00 2.01 15:50:01 0.42 0.00 0.42 0.00 7.00 15:51:01 233.51 143.78 89.73 6116.60 31926.02 Average: 39.54 23.97 15.57 1019.80 5334.60 15:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:46:01 196868 1684688 89.54 2620 1096272 1097876 37.47 450900 1075848 16 15:47:01 195260 1686296 89.62 2620 1096276 1089652 37.19 452944 1074700 8 15:48:01 188628 1692928 89.97 2620 1096284 1089868 37.20 460272 1074704 8 15:49:01 187064 1694492 90.06 2620 1096284 1089932 37.20 464140 1072088 8 15:50:01 187916 1693640 90.01 2620 1096288 1089824 37.19 468028 1067664 8 15:51:01 76404 1805152 95.94 2596 1039768 1441996 49.21 563520 1018084 95876 Average: 172023 1709533 90.86 2616 1086862 1149858 39.24 476634 1063848 15987 15:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:46:01 eth0 9.49 5.53 4.01 17.38 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 0.47 0.08 0.05 0.01 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 eth0 1.05 0.32 0.31 0.20 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 eth0 0.75 0.45 0.30 0.18 0.00 0.00 0.00 15:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 eth0 0.25 0.17 0.08 0.10 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 veth7e98597 36.54 36.87 3.65 407.46 0.00 0.00 0.00 15:51:01 eth0 860.51 610.79 5877.70 436.59 0.00 0.00 0.00 15:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:51:01 docker0 132.31 106.03 11.31 708.41 0.00 0.00 0.00 Average: veth7e98597 6.09 6.15 0.61 67.93 0.00 0.00 0.00 Average: eth0 143.47 101.83 979.97 72.79 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 22.06 17.68 1.89 118.11 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) 08/18/20 _x86_64_ (4 CPU) 15:43:52 LINUX RESTART 15:45:01 CPU %user %nice %system %iowait %steal %idle 15:46:01 all 0.22 0.00 0.06 0.00 0.00 99.72 15:46:01 0 0.13 0.00 0.08 0.00 0.00 99.78 15:46:01 1 0.30 0.00 0.05 0.00 0.00 99.65 15:46:01 2 0.20 0.00 0.05 0.00 0.00 99.75 15:46:01 3 0.23 0.00 0.07 0.00 0.00 99.70 15:47:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:47:01 1 0.50 0.00 0.03 0.00 0.00 99.47 15:47:01 2 0.05 0.00 0.05 0.00 0.02 99.88 15:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:48:01 all 0.16 0.00 0.04 0.00 0.00 99.80 15:48:01 0 0.05 0.00 0.07 0.00 0.02 99.87 15:48:01 1 0.52 0.00 0.02 0.00 0.00 99.47 15:48:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:48:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:49:01 all 0.17 0.00 0.04 0.00 0.00 99.79 15:49:01 0 0.10 0.00 0.07 0.00 0.00 99.83 15:49:01 1 0.53 0.00 0.02 0.00 0.00 99.45 15:49:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:49:01 3 0.05 0.00 0.02 0.00 0.00 99.93 15:50:01 all 0.13 0.00 0.07 0.00 0.00 99.80 15:50:01 0 0.02 0.00 0.15 0.00 0.00 99.83 15:50:01 1 0.28 0.00 0.05 0.00 0.00 99.67 15:50:01 2 0.20 0.00 0.05 0.00 0.00 99.75 15:50:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:51:01 all 8.03 0.00 4.79 1.88 0.02 85.29 15:51:01 0 7.42 0.00 4.33 0.94 0.00 87.31 15:51:01 1 8.60 0.00 4.83 2.20 0.02 84.35 15:51:01 2 8.58 0.00 4.56 1.68 0.02 85.16 15:51:01 3 7.51 0.00 5.47 2.68 0.02 84.33 Average: all 1.47 0.00 0.83 0.31 0.00 97.39 Average: 0 1.29 0.00 0.78 0.16 0.00 97.77 Average: 1 1.78 0.00 0.83 0.36 0.00 97.03 Average: 2 1.50 0.00 0.79 0.28 0.01 97.42 Average: 3 1.30 0.00 0.93 0.44 0.00 97.32