---> uname -a: Linux 8940512d0841 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 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 767 120 0 948 1006 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 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) 09/17/20 _x86_64_ (4 CPU) 19:45:27 LINUX RESTART (4 CPU) 19:46:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:47:02 62.72 16.01 46.70 0.00 5030.89 6552.26 0.00 19:48:01 1.66 0.00 1.66 0.00 0.00 32.43 0.00 19:49:01 0.25 0.00 0.25 0.00 0.00 3.01 0.00 19:50:01 0.32 0.00 0.32 0.00 0.00 3.48 0.00 19:51:01 31.97 3.63 28.35 0.00 559.92 17780.99 0.00 19:52:01 407.99 191.71 216.28 0.00 10666.53 48581.43 0.00 Average: 84.41 35.34 49.07 0.00 2718.07 12197.07 0.00 19:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:47:02 179812 0 575308 30.58 2620 1123816 1095336 37.38 445016 1096424 120 19:48:01 185916 0 569200 30.25 2620 1123820 1055384 36.02 443448 1093188 20 19:49:01 185552 0 569556 30.27 2620 1123828 1055592 36.03 444352 1093192 16 19:50:01 183292 0 571816 30.39 2620 1123828 1055592 36.03 446484 1093020 16 19:51:01 64956 0 670228 35.62 2620 1143752 1480656 50.53 617352 1016492 30616 19:52:01 98796 0 744196 39.55 1492 1037072 1274340 43.49 609384 881440 13120 Average: 149721 0 616717 32.78 2432 1112686 1169483 39.91 501006 1045626 7318 19:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:47:02 eth0 649.92 487.15 1422.93 409.62 0.00 0.00 0.00 0.00 19:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:02 docker0 92.38 69.64 7.87 302.07 0.00 0.00 0.00 0.00 19:48:01 eth0 0.68 0.08 0.06 0.01 0.00 0.00 0.00 0.00 19:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 eth0 3.71 2.15 3.26 0.32 0.00 0.00 0.00 0.00 19:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 eth0 0.90 0.47 0.32 0.21 0.00 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 eth0 398.32 355.74 3774.92 26.09 0.00 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 veth409e148 34.00 37.89 2.49 204.35 0.00 0.00 0.00 0.00 19:52:01 eth0 752.29 619.60 4184.42 96.49 0.00 0.00 0.00 0.00 19:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 docker0 96.19 102.11 7.09 616.79 0.00 0.00 0.00 0.00 Average: veth409e148 5.68 6.34 0.42 34.17 0.00 0.00 0.00 0.00 Average: eth0 301.90 244.96 1569.18 89.06 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 31.53 28.72 2.50 153.63 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) 09/17/20 _x86_64_ (4 CPU) 19:45:27 LINUX RESTART (4 CPU) 19:46:01 CPU %user %nice %system %iowait %steal %idle 19:47:02 all 12.42 0.00 3.63 1.97 0.02 81.96 19:47:02 0 10.91 0.00 4.81 1.11 0.02 83.15 19:47:02 1 12.66 0.00 3.21 0.39 0.02 83.74 19:47:02 2 14.82 0.00 3.23 5.84 0.02 76.09 19:47:02 3 11.29 0.00 3.29 0.52 0.02 84.88 19:48:01 all 0.11 0.00 0.05 0.00 0.00 99.84 19:48:01 0 0.31 0.00 0.07 0.00 0.00 99.63 19:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:48:01 2 0.08 0.00 0.05 0.00 0.00 99.86 19:48:01 3 0.02 0.00 0.03 0.00 0.00 99.95 19:49:01 all 0.17 0.00 0.05 0.00 0.00 99.78 19:49:01 0 0.50 0.00 0.08 0.00 0.00 99.42 19:49:01 1 0.08 0.00 0.03 0.00 0.00 99.88 19:49:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:49:01 3 0.05 0.00 0.02 0.00 0.02 99.92 19:50:01 all 0.14 0.00 0.03 0.00 0.00 99.83 19:50:01 0 0.47 0.00 0.02 0.00 0.00 99.52 19:50:01 1 0.03 0.00 0.05 0.00 0.00 99.92 19:50:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:50:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:51:01 all 3.52 0.00 1.77 0.08 0.00 94.63 19:51:01 0 3.89 0.00 1.73 0.03 0.02 94.33 19:51:01 1 3.30 0.00 1.83 0.15 0.00 94.72 19:51:01 2 3.64 0.00 1.74 0.05 0.00 94.57 19:51:01 3 3.27 0.00 1.76 0.08 0.00 94.89 19:52:01 all 14.48 0.00 8.37 5.07 0.08 72.00 19:52:01 0 14.08 0.00 8.88 3.10 0.03 73.91 19:52:01 1 15.13 0.00 8.20 4.97 0.09 71.61 19:52:01 2 14.58 0.00 8.60 6.57 0.10 70.15 19:52:01 3 14.12 0.00 7.81 5.61 0.10 72.35 Average: all 5.11 0.00 2.30 1.18 0.02 91.39 Average: 0 4.99 0.00 2.58 0.70 0.01 91.72 Average: 1 5.18 0.00 2.21 0.91 0.02 91.69 Average: 2 5.52 0.00 2.27 2.07 0.02 90.11 Average: 3 4.76 0.00 2.14 1.02 0.02 92.05