---> uname -a: Linux 8be6ade0268d 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 699 123 0 1014 1038 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) 08/28/20 _x86_64_ (4 CPU) 14:53:16 LINUX RESTART 14:54:01 tps rtps wtps bread/s bwrtn/s 14:55:01 46.22 12.40 33.82 4612.32 3439.08 14:56:01 1.73 0.00 1.73 0.00 36.56 14:57:01 0.25 0.00 0.25 0.00 3.25 14:58:01 0.18 0.00 0.18 0.00 1.88 14:59:02 368.06 212.75 155.31 12894.02 54644.04 Average: 83.48 45.14 38.34 3507.60 11653.06 14:54:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:55:01 233116 1648440 87.61 2620 1047856 1125484 38.41 467264 1022328 20 14:56:01 234480 1647076 87.54 2620 1047872 1125052 38.40 468868 1019844 16 14:57:01 235796 1645760 87.47 2620 1047880 1116600 38.11 470472 1017576 8 14:58:01 238808 1642748 87.31 2620 1047880 1082460 36.94 470260 1015404 8 14:59:02 96628 1784928 94.86 2236 1074696 1279948 43.68 599624 955552 1704 Average: 207766 1673790 88.96 2543 1053237 1145909 39.11 495298 1006141 351 14:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:55:01 eth0 333.73 281.62 769.61 370.07 0.00 0.00 0.00 14:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 docker0 128.50 93.27 9.84 302.41 0.00 0.00 0.00 14:56:01 eth0 2.60 0.55 0.70 0.52 0.00 0.00 0.00 14:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 eth0 0.43 0.25 0.26 0.21 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:02 eth0 270.40 206.32 6495.05 29.96 0.00 0.00 0.00 14:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:02 docker0 47.23 46.15 4.16 409.10 0.00 0.00 0.00 Average: eth0 121.56 97.85 1456.44 80.14 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 35.16 27.90 2.80 142.49 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) 08/28/20 _x86_64_ (4 CPU) 14:53:16 LINUX RESTART 14:54:01 CPU %user %nice %system %iowait %steal %idle 14:55:01 all 5.02 0.00 1.82 1.48 0.01 91.68 14:55:01 0 3.64 0.00 1.91 0.84 0.02 93.60 14:55:01 1 4.46 0.00 1.74 1.79 0.00 92.01 14:55:01 2 6.15 0.00 1.49 1.05 0.00 91.31 14:55:01 3 5.80 0.00 2.14 2.21 0.02 89.84 14:56:01 all 0.16 0.00 0.02 0.00 0.00 99.82 14:56:01 0 0.07 0.00 0.03 0.00 0.00 99.90 14:56:01 1 0.03 0.00 0.02 0.00 0.00 99.95 14:56:01 2 0.55 0.00 0.05 0.00 0.00 99.40 14:56:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:57:01 all 0.16 0.00 0.02 0.00 0.00 99.82 14:57:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:57:01 1 0.03 0.00 0.02 0.00 0.00 99.95 14:57:01 2 0.53 0.00 0.03 0.00 0.00 99.43 14:57:01 3 0.03 0.00 0.02 0.00 0.00 99.95 14:58:01 all 0.13 0.00 0.02 0.00 0.00 99.85 14:58:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:58:01 1 0.02 0.00 0.02 0.00 0.00 99.97 14:58:01 2 0.48 0.00 0.02 0.00 0.00 99.50 14:58:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:59:02 all 13.03 0.00 6.60 5.03 0.03 75.31 14:59:02 0 12.67 0.00 7.12 4.04 0.00 76.17 14:59:02 1 12.84 0.00 6.47 4.40 0.03 76.25 14:59:02 2 12.17 0.00 6.18 5.00 0.03 76.61 14:59:02 3 14.40 0.00 6.64 6.72 0.02 72.23 Average: all 3.68 0.00 1.69 1.29 0.01 93.33 Average: 0 3.27 0.00 1.81 0.97 0.00 93.95 Average: 1 3.46 0.00 1.64 1.23 0.01 93.65 Average: 2 3.96 0.00 1.54 1.20 0.01 93.29 Average: 3 4.03 0.00 1.75 1.77 0.01 92.44