---> uname -a: Linux e7d5fbb8754d 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 692 129 0 1015 1045 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) 23:47:57 LINUX RESTART 23:49:01 tps rtps wtps bread/s bwrtn/s 23:50:01 2.51 0.00 2.51 0.00 55.96 23:51:01 0.17 0.00 0.17 0.00 1.75 23:52:01 0.37 0.00 0.37 0.00 5.56 23:53:02 107.16 55.45 51.71 2006.19 20993.16 Average: 27.57 13.87 13.70 501.86 5267.38 23:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:50:01 244420 1637136 87.01 2620 1051988 1072752 36.61 455244 1025028 16 23:51:01 237348 1644208 87.39 2620 1051992 1072956 36.62 463928 1023496 20 23:52:01 236912 1644644 87.41 2620 1052000 1073016 36.62 464092 1023500 8 23:53:02 72020 1809536 96.17 2620 1092776 1500244 51.20 532336 1076796 62292 Average: 197675 1683881 89.49 2620 1062189 1179742 40.26 478900 1037205 15584 23:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:50:01 eth0 0.33 0.08 0.02 0.02 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 7.13 5.58 3.16 6.68 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 1.38 0.62 0.58 0.42 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:02 eth0 132.48 85.26 3758.00 8.91 0.00 0.00 0.00 23:53:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.35 22.90 941.03 4.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 08/04/20 _x86_64_ (4 CPU) 23:47:57 LINUX RESTART 23:49:01 CPU %user %nice %system %iowait %steal %idle 23:50:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:50:01 0 0.05 0.00 0.05 0.00 0.02 99.88 23:50:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:50:01 2 0.57 0.00 0.03 0.00 0.00 99.40 23:50:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:51:01 all 0.20 0.00 0.04 0.00 0.00 99.77 23:51:01 0 0.08 0.00 0.03 0.00 0.00 99.88 23:51:01 1 0.12 0.00 0.07 0.00 0.00 99.82 23:51:01 2 0.50 0.00 0.03 0.00 0.00 99.47 23:51:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:52:01 all 0.14 0.00 0.03 0.00 0.00 99.83 23:52:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:52:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:52:01 2 0.47 0.00 0.02 0.00 0.00 99.52 23:52:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:53:02 all 4.79 0.00 2.39 0.51 0.03 92.26 23:53:02 0 4.44 0.00 2.49 0.30 0.03 92.73 23:53:02 1 4.71 0.00 2.24 0.10 0.03 92.91 23:53:02 2 5.12 0.00 2.44 0.17 0.03 92.23 23:53:02 3 4.91 0.00 2.38 1.47 0.03 91.20 Average: all 1.32 0.00 0.62 0.13 0.01 97.92 Average: 0 1.14 0.00 0.65 0.08 0.01 98.12 Average: 1 1.23 0.00 0.60 0.03 0.01 98.14 Average: 2 1.66 0.00 0.63 0.04 0.01 97.66 Average: 3 1.26 0.00 0.62 0.37 0.01 97.75