---> uname -a: Linux b1433dcadc91 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: 2933.436 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 777 116 0 942 997 Swap: 1023 3 1020 ---> 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) 09/24/20 _x86_64_ (4 CPU) 22:44:00 LINUX RESTART (4 CPU) 22:45:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:46:01 25.63 6.08 19.55 0.00 1683.70 3611.78 0.00 22:47:01 0.40 0.00 0.40 0.00 0.00 5.93 0.00 22:48:01 0.37 0.00 0.37 0.00 0.00 5.58 0.00 22:49:01 0.25 0.00 0.25 0.00 0.00 3.75 0.00 22:50:01 1.10 0.25 0.85 0.00 201.70 23.63 0.00 22:51:01 364.46 168.12 196.34 0.00 8255.31 59560.88 0.00 Average: 65.50 29.15 36.35 0.00 1690.69 10558.61 0.00 22:45:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:46:01 211824 0 587176 31.21 2620 1079936 1108964 37.85 476028 1035388 20 22:47:01 211500 0 587616 31.23 2620 1079820 1104732 37.70 477504 1034448 12 22:48:01 212888 0 586220 31.16 2620 1079828 1087256 37.11 477596 1033240 8 22:49:01 209560 0 589548 31.33 2620 1079828 1077084 36.76 489828 1025092 16 22:50:01 112576 0 623188 33.12 2620 1143172 1275116 43.52 537460 1069132 57076 22:51:01 169032 0 739144 39.28 2356 971024 1304996 44.54 569556 875364 92472 Average: 187897 0 618815 32.89 2576 1072268 1159691 39.58 504662 1012111 24934 22:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:46:01 eth0 275.28 237.38 667.56 361.51 0.00 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 116.17 98.65 10.03 309.90 0.00 0.00 0.00 0.00 22:47:01 eth0 2.41 0.60 0.68 0.43 0.00 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 2.23 0.35 0.43 0.20 0.00 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 eth0 4.73 1.25 1.36 0.80 0.00 0.00 0.00 0.00 22:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 eth0 100.97 83.16 907.57 7.13 0.00 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 961.58 801.71 6829.42 120.24 0.00 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 docker0 58.22 60.83 4.79 411.07 0.00 0.00 0.00 0.00 Average: eth0 224.46 187.33 1403.72 80.94 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 28.82 26.38 2.45 119.66 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) 09/24/20 _x86_64_ (4 CPU) 22:44:00 LINUX RESTART (4 CPU) 22:45:02 CPU %user %nice %system %iowait %steal %idle 22:46:01 all 3.92 0.00 1.88 0.59 0.05 93.56 22:46:01 0 2.60 0.00 2.21 0.09 0.05 95.06 22:46:01 1 5.36 0.00 1.80 0.53 0.05 92.25 22:46:01 2 3.97 0.00 2.10 0.38 0.03 93.52 22:46:01 3 3.76 0.00 1.40 1.37 0.05 93.43 22:47:01 all 0.15 0.00 0.05 0.00 0.01 99.80 22:47:01 0 0.03 0.00 0.02 0.00 0.02 99.93 22:47:01 1 0.45 0.00 0.08 0.00 0.00 99.47 22:47:01 2 0.05 0.00 0.05 0.00 0.02 99.88 22:47:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:48:01 all 0.17 0.00 0.04 0.00 0.02 99.76 22:48:01 0 0.05 0.00 0.02 0.00 0.02 99.92 22:48:01 1 0.52 0.00 0.03 0.00 0.02 99.43 22:48:01 2 0.07 0.00 0.05 0.00 0.05 99.83 22:48:01 3 0.07 0.00 0.05 0.00 0.02 99.87 22:49:01 all 0.15 0.00 0.08 0.00 0.06 99.71 22:49:01 0 0.03 0.00 0.07 0.00 0.08 99.82 22:49:01 1 0.42 0.00 0.07 0.00 0.02 99.50 22:49:01 2 0.03 0.00 0.12 0.00 0.07 99.78 22:49:01 3 0.13 0.00 0.07 0.00 0.07 99.73 22:50:01 all 0.58 0.00 0.38 0.00 0.08 98.96 22:50:01 0 0.48 0.00 0.55 0.00 0.03 98.93 22:50:01 1 0.83 0.00 0.25 0.00 0.10 98.82 22:50:01 2 0.52 0.00 0.35 0.00 0.07 99.07 22:50:01 3 0.50 0.00 0.38 0.00 0.10 99.02 22:51:01 all 16.86 0.00 10.77 3.75 1.17 67.45 22:51:01 0 15.63 0.00 11.98 2.73 1.17 68.48 22:51:01 1 16.38 0.00 10.24 4.09 1.09 68.19 22:51:01 2 17.26 0.00 9.92 3.63 1.26 67.94 22:51:01 3 18.18 0.00 10.95 4.53 1.15 65.19 Average: all 3.55 0.00 2.14 0.70 0.22 93.38 Average: 0 3.04 0.00 2.40 0.45 0.22 93.89 Average: 1 3.91 0.00 2.03 0.75 0.21 93.11 Average: 2 3.57 0.00 2.05 0.65 0.24 93.49 Average: 3 3.68 0.00 2.09 0.96 0.22 93.04