---> uname -a: Linux 57d53f1df71f 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-407 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-407@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 131 0 1035 1060 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 07/22/20 _x86_64_ (4 CPU) 18:13:47 LINUX RESTART 18:15:01 tps rtps wtps bread/s bwrtn/s 18:16:01 3.20 0.00 3.20 0.00 101.85 18:17:01 0.37 0.00 0.37 0.00 5.15 18:18:01 0.18 0.00 0.18 0.00 2.30 18:19:01 0.27 0.00 0.27 0.00 3.46 18:20:01 0.28 0.00 0.28 0.00 4.18 18:21:01 0.40 0.02 0.38 0.13 4.21 Average: 0.78 0.00 0.78 0.02 20.19 18:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:16:01 227712 1653844 87.90 2620 1072912 1080968 36.89 440504 1056156 12 18:17:01 227120 1654436 87.93 2620 1072916 1081112 36.90 443436 1054024 8 18:18:01 227224 1654332 87.92 2620 1072924 1081100 36.90 443448 1054024 8 18:19:01 225736 1655820 88.00 2620 1072924 1081188 36.90 447484 1051380 8 18:20:01 226564 1654992 87.96 2620 1072932 1081128 36.90 452488 1045932 8 18:21:01 226832 1654724 87.94 2620 1072940 1081032 36.89 452092 1045928 8 Average: 226865 1654691 87.94 2620 1072925 1081088 36.90 446575 1051241 9 18:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:16:01 eth0 1.13 0.12 0.14 0.04 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 2.05 0.75 0.85 0.58 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 1.85 0.45 0.42 0.21 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 0.97 0.55 0.54 0.39 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.35 0.23 0.15 0.08 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 0.52 0.08 0.05 0.01 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.14 0.36 0.36 0.22 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) 07/22/20 _x86_64_ (4 CPU) 18:13:47 LINUX RESTART 18:15:01 CPU %user %nice %system %iowait %steal %idle 18:16:01 all 0.20 0.00 0.04 0.00 0.00 99.76 18:16:01 0 0.17 0.00 0.03 0.00 0.00 99.80 18:16:01 1 0.53 0.00 0.03 0.00 0.00 99.43 18:16:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:16:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:17:01 all 0.17 0.00 0.04 0.00 0.00 99.78 18:17:01 0 0.08 0.00 0.03 0.00 0.00 99.88 18:17:01 1 0.52 0.00 0.02 0.00 0.00 99.47 18:17:01 2 0.05 0.00 0.05 0.00 0.02 99.88 18:17:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:18:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:18:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:18:01 1 0.52 0.00 0.03 0.00 0.00 99.45 18:18:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:18:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:19:01 all 0.18 0.00 0.02 0.00 0.00 99.80 18:19:01 0 0.07 0.00 0.03 0.00 0.00 99.90 18:19:01 1 0.52 0.00 0.03 0.00 0.00 99.45 18:19:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:19:01 3 0.05 0.00 0.00 0.00 0.00 99.95 18:20:01 all 0.15 0.00 0.08 0.00 0.00 99.77 18:20:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:20:01 1 0.50 0.00 0.02 0.00 0.00 99.48 18:20:01 2 0.02 0.00 0.23 0.00 0.00 99.75 18:20:01 3 0.00 0.00 0.03 0.00 0.00 99.97 18:21:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:21:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:21:01 1 0.47 0.00 0.05 0.00 0.00 99.48 18:21:01 2 0.07 0.00 0.05 0.00 0.02 99.87 18:21:01 3 0.02 0.00 0.00 0.00 0.00 99.98 Average: all 0.17 0.00 0.04 0.00 0.00 99.79 Average: 0 0.08 0.00 0.03 0.00 0.00 99.89 Average: 1 0.51 0.00 0.03 0.00 0.00 99.46 Average: 2 0.05 0.00 0.08 0.00 0.01 99.87 Average: 3 0.03 0.00 0.02 0.00 0.00 99.95