---> uname -a: Linux f7947d3cd3f5 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: 2933.442 BogoMIPS: 5866.88 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 777 119 0 940 995 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) 09/17/20 _x86_64_ (4 CPU) 19:00:52 LINUX RESTART (4 CPU) 19:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:03:01 8.47 1.68 6.79 0.00 181.39 1313.07 0.00 19:04:02 0.62 0.00 0.62 0.00 0.00 7.43 0.00 19:05:01 0.20 0.00 0.20 0.00 0.00 2.51 0.00 19:06:01 139.85 81.59 58.27 0.00 3549.86 26746.53 0.00 19:07:01 299.32 118.10 181.22 0.00 7940.78 39676.48 0.00 Average: 90.03 40.43 49.61 0.00 2343.34 13600.21 0.00 19:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:03:01 225916 0 584044 31.04 2620 1068976 1113420 38.00 445136 1052116 12 19:04:02 231416 0 578540 30.75 2620 1068980 1075816 36.72 444308 1048508 8 19:05:01 231240 0 578708 30.76 2620 1068988 1075972 36.72 445192 1048512 20 19:06:01 72780 0 706844 37.57 2620 1099312 1509332 51.51 524868 1087660 70256 19:07:01 69032 0 751880 39.96 1704 1058940 1266052 43.21 662780 863548 47276 Average: 166077 0 640003 34.01 2437 1073039 1208118 41.23 504457 1020069 23514 19:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:03:01 eth0 118.66 73.70 30.85 320.43 0.00 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 19:04:02 eth0 1.32 0.08 0.15 0.01 0.00 0.00 0.00 0.00 19:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 2.76 1.22 0.94 1.91 0.00 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 393.54 353.45 3779.10 28.01 0.00 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 vethfe9358d 26.15 35.53 1.75 199.09 0.00 0.00 0.00 0.00 19:07:01 eth0 723.12 574.63 4171.40 88.53 0.00 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 90.03 102.84 6.36 609.59 0.00 0.00 0.00 0.00 Average: vethfe9358d 5.25 7.14 0.35 39.98 0.00 0.00 0.00 0.00 Average: eth0 248.80 201.37 1602.43 88.08 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 18.09 20.66 1.28 122.41 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) 19:00:52 LINUX RESTART (4 CPU) 19:02:01 CPU %user %nice %system %iowait %steal %idle 19:03:01 all 2.12 0.00 0.51 0.06 0.00 97.31 19:03:01 0 2.16 0.00 0.53 0.13 0.00 97.18 19:03:01 1 1.28 0.00 0.42 0.02 0.02 98.27 19:03:01 2 1.50 0.00 0.48 0.08 0.00 97.93 19:03:01 3 3.54 0.00 0.60 0.00 0.00 95.86 19:04:02 all 0.03 0.00 0.04 0.00 0.00 99.92 19:04:02 0 0.05 0.00 0.03 0.00 0.02 99.90 19:04:02 1 0.03 0.00 0.07 0.00 0.00 99.90 19:04:02 2 0.03 0.00 0.03 0.00 0.00 99.93 19:04:02 3 0.02 0.00 0.03 0.00 0.00 99.95 19:05:01 all 0.17 0.00 0.03 0.00 0.00 99.81 19:05:01 0 0.07 0.00 0.02 0.00 0.00 99.92 19:05:01 1 0.49 0.00 0.03 0.00 0.00 99.48 19:05:01 2 0.07 0.00 0.03 0.00 0.02 99.88 19:05:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:06:01 all 5.80 0.00 3.43 0.88 0.01 89.89 19:06:01 0 5.62 0.00 3.58 0.89 0.00 89.91 19:06:01 1 6.05 0.00 3.14 0.86 0.02 89.94 19:06:01 2 5.73 0.00 3.93 0.35 0.00 89.98 19:06:01 3 5.78 0.00 3.08 1.41 0.02 89.71 19:07:01 all 12.64 0.00 8.54 4.33 0.05 74.45 19:07:01 0 11.84 0.00 8.23 2.51 0.03 77.39 19:07:01 1 11.68 0.00 9.91 3.62 0.03 74.75 19:07:01 2 15.09 0.00 8.25 5.32 0.07 71.28 19:07:01 3 11.93 0.00 7.76 5.85 0.05 74.40 Average: all 4.13 0.00 2.49 1.04 0.01 92.32 Average: 0 3.92 0.00 2.46 0.70 0.01 92.91 Average: 1 3.89 0.00 2.70 0.89 0.01 92.50 Average: 2 4.46 0.00 2.53 1.14 0.02 91.84 Average: 3 4.24 0.00 2.28 1.44 0.01 92.03