---> uname -a: Linux 52fec18ff768 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 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 682 133 0 1022 1056 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) 08/07/20 _x86_64_ (4 CPU) 20:05:47 LINUX RESTART 20:07:01 tps rtps wtps bread/s bwrtn/s 20:08:01 30.28 11.61 18.67 4581.87 3194.63 20:09:01 1.91 0.00 1.91 0.00 36.44 20:10:01 0.15 0.00 0.15 0.00 2.15 20:11:01 0.28 0.00 0.28 0.00 3.35 20:12:01 47.57 16.69 30.88 986.49 17991.76 20:13:01 237.18 150.17 87.00 5994.47 17481.99 20:14:01 72.06 44.52 27.54 4634.20 10065.33 Average: 55.77 31.94 23.83 2320.11 6985.80 20:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:08:01 233816 1647740 87.57 2620 1062284 1158184 39.53 440540 1048228 120 20:09:01 246976 1634580 86.87 2620 1062288 1072024 36.59 434460 1043308 20 20:10:01 246388 1635168 86.91 2620 1062296 1072216 36.59 435444 1043308 12 20:11:01 244680 1636876 87.00 2620 1062296 1072240 36.59 443828 1036476 8 20:12:01 175644 1705912 90.66 2620 1016508 1513484 51.65 507872 1005100 67688 20:13:01 88972 1792584 95.27 2596 1061900 1349444 46.05 611836 951776 16 20:14:01 70200 1811356 96.27 2596 1112312 1523732 52.00 665920 945080 90176 Average: 186668 1694888 90.08 2613 1062841 1251618 42.72 505700 1010468 22577 20:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:08:01 eth0 210.05 205.52 665.87 354.62 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 118.83 92.03 9.56 301.90 0.00 0.00 0.00 20:09:01 eth0 0.69 0.08 0.06 0.01 0.00 0.00 0.00 20:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 eth0 0.65 0.27 0.29 0.20 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 0.68 0.37 0.31 0.20 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 111.75 61.25 3757.34 15.07 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 eth0 68.30 62.09 426.73 12.04 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 veth76970ac 48.96 52.17 5.08 411.85 0.00 0.00 0.00 20:13:01 docker0 167.83 144.10 13.98 713.84 0.00 0.00 0.00 20:14:01 eth0 94.02 61.29 2330.42 11.47 0.00 0.00 0.00 20:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 docker0 0.22 0.25 0.03 0.06 0.00 0.00 0.00 Average: eth0 69.63 55.99 1028.70 56.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 24.06 20.67 2.01 102.21 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) 08/07/20 _x86_64_ (4 CPU) 20:05:47 LINUX RESTART 20:07:01 CPU %user %nice %system %iowait %steal %idle 20:08:01 all 3.87 0.00 2.22 0.85 13.36 79.69 20:08:01 0 4.36 0.00 2.54 1.63 15.85 75.63 20:08:01 1 5.22 0.00 2.36 0.58 12.82 79.02 20:08:01 2 3.42 0.00 1.71 0.76 13.01 81.10 20:08:01 3 2.52 0.00 2.31 0.42 11.74 83.02 20:09:01 all 0.11 0.00 0.06 0.00 0.25 99.59 20:09:01 0 0.07 0.00 0.07 0.00 0.47 99.39 20:09:01 1 0.03 0.00 0.08 0.00 0.17 99.71 20:09:01 2 0.05 0.00 0.05 0.00 0.19 99.71 20:09:01 3 0.29 0.00 0.07 0.00 0.14 99.51 20:10:01 all 0.13 0.00 0.03 0.00 0.39 99.46 20:10:01 0 0.05 0.00 0.07 0.00 1.06 98.83 20:10:01 1 0.03 0.00 0.02 0.00 0.17 99.78 20:10:01 2 0.05 0.00 0.00 0.00 0.08 99.87 20:10:01 3 0.37 0.00 0.02 0.00 0.25 99.37 20:11:01 all 0.12 0.00 0.04 0.00 0.18 99.66 20:11:01 0 0.05 0.00 0.07 0.00 0.43 99.45 20:11:01 1 0.03 0.00 0.03 0.00 0.10 99.83 20:11:01 2 0.03 0.00 0.05 0.00 0.10 99.82 20:11:01 3 0.38 0.00 0.02 0.00 0.07 99.53 20:12:01 all 2.75 0.00 1.90 0.08 8.70 86.57 20:12:01 0 2.36 0.00 1.11 0.07 9.79 86.67 20:12:01 1 3.04 0.00 2.79 0.03 8.27 85.87 20:12:01 2 2.76 0.00 1.94 0.13 8.82 86.34 20:12:01 3 2.84 0.00 1.75 0.08 7.88 87.44 20:13:01 all 3.27 0.00 2.52 2.07 10.92 81.23 20:13:01 0 2.69 0.00 2.30 1.72 11.42 81.87 20:13:01 1 2.50 0.00 2.34 2.11 11.05 82.01 20:13:01 2 3.18 0.00 2.43 3.02 10.78 80.58 20:13:01 3 4.73 0.00 3.03 1.42 10.39 80.42 20:14:01 all 2.67 0.00 1.78 1.22 6.24 88.09 20:14:01 0 1.61 0.00 1.13 0.10 6.82 90.33 20:14:01 1 4.13 0.00 2.07 3.46 5.80 84.54 20:14:01 2 2.78 0.00 2.20 0.86 6.22 87.94 20:14:01 3 2.19 0.00 1.73 0.50 6.10 89.48 Average: all 1.87 0.00 1.23 0.61 5.79 90.50 Average: 0 1.63 0.00 1.06 0.51 6.65 90.15 Average: 1 2.16 0.00 1.39 0.89 5.55 90.01 Average: 2 1.77 0.00 1.21 0.69 5.68 90.65 Average: 3 1.91 0.00 1.28 0.35 5.28 91.18