---> uname -a: Linux 983d6d78dfaf 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 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 703 108 0 1025 1034 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) 08/04/20 _x86_64_ (4 CPU) 21:06:53 LINUX RESTART 21:08:01 tps rtps wtps bread/s bwrtn/s 21:09:02 1.95 0.00 1.95 0.00 40.28 21:10:01 0.19 0.00 0.19 0.00 1.37 21:11:01 0.28 0.00 0.28 0.00 3.50 21:12:01 335.01 213.48 121.53 11649.99 42661.14 Average: 84.76 53.62 31.13 2926.26 10726.99 21:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:09:02 203084 1678472 89.21 2620 1083440 1088152 37.14 483772 1037136 8 21:10:01 200936 1680620 89.32 2620 1083444 1088152 37.14 486088 1036660 8 21:11:01 200144 1681412 89.36 2620 1083452 1088356 37.14 487368 1036660 8 21:12:01 72028 1809528 96.17 2552 1090764 1523296 51.99 653344 959084 86916 Average: 169048 1712508 91.02 2603 1085275 1196989 40.85 527643 1017385 21735 21:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:09:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 eth0 0.56 0.08 0.06 0.01 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 1.03 0.48 0.32 0.21 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 288.23 199.27 6506.77 36.91 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 46.78 50.54 4.18 409.69 0.00 0.00 0.00 Average: eth0 72.82 50.22 1634.47 9.33 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.75 12.69 1.05 102.91 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) 08/04/20 _x86_64_ (4 CPU) 21:06:53 LINUX RESTART 21:08:01 CPU %user %nice %system %iowait %steal %idle 21:09:02 all 0.15 0.00 0.04 0.00 0.00 99.80 21:09:02 0 0.02 0.00 0.03 0.00 0.00 99.95 21:09:02 1 0.05 0.00 0.05 0.00 0.00 99.90 21:09:02 2 0.47 0.00 0.03 0.00 0.00 99.50 21:09:02 3 0.07 0.00 0.03 0.00 0.00 99.90 21:10:01 all 0.14 0.00 0.03 0.00 0.00 99.83 21:10:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:10:01 2 0.49 0.00 0.02 0.00 0.00 99.49 21:10:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:11:01 all 0.11 0.00 0.03 0.00 0.00 99.85 21:11:01 0 0.35 0.00 0.02 0.00 0.00 99.63 21:11:01 1 0.05 0.00 0.05 0.00 0.02 99.88 21:11:01 2 0.03 0.00 0.02 0.00 0.02 99.93 21:11:01 3 0.02 0.00 0.03 0.00 0.02 99.93 21:12:01 all 11.53 0.00 6.47 3.39 0.16 78.45 21:12:01 0 11.26 0.00 6.97 2.82 0.14 78.81 21:12:01 1 12.35 0.00 6.56 6.73 0.14 74.22 21:12:01 2 10.58 0.00 6.52 2.70 0.20 80.00 21:12:01 3 11.94 0.00 5.83 1.29 0.15 80.79 Average: all 2.96 0.00 1.63 0.84 0.04 94.54 Average: 0 2.89 0.00 1.75 0.70 0.03 94.63 Average: 1 3.09 0.00 1.66 1.67 0.04 93.54 Average: 2 2.87 0.00 1.63 0.67 0.05 94.78 Average: 3 2.98 0.00 1.46 0.32 0.04 95.19