---> uname -a: Linux 76ecb12ba06f 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 7.3G 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-435 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-435@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 124 0 1044 1063 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 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) 08/04/20 _x86_64_ (4 CPU) 22:40:45 LINUX RESTART 22:42:01 tps rtps wtps bread/s bwrtn/s 22:43:01 2.33 0.00 2.33 0.00 50.72 22:44:01 0.38 0.00 0.38 0.00 5.41 22:45:01 0.23 0.00 0.23 0.00 2.98 22:46:01 0.32 0.00 0.32 0.00 3.63 22:47:01 0.30 0.00 0.30 0.00 4.20 22:48:01 0.22 0.02 0.20 0.13 2.07 Average: 0.63 0.00 0.63 0.02 11.50 22:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:43:01 236936 1644620 87.41 2620 1062112 1099732 37.53 437360 1049712 20 22:44:01 234920 1646636 87.51 2620 1062116 1099852 37.54 442196 1047444 20 22:45:01 235172 1646384 87.50 2620 1062120 1099804 37.53 441976 1047376 12 22:46:01 235764 1645792 87.47 2620 1062124 1089200 37.17 446616 1042072 8 22:47:01 235388 1646168 87.49 2620 1062128 1089284 37.18 454388 1034904 8 22:48:01 236396 1645160 87.44 2620 1062140 1089200 37.17 459288 1029604 8 Average: 235763 1645793 87.47 2620 1062123 1094512 37.35 446971 1041852 13 22:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:43:01 eth0 6.04 2.96 3.91 2.72 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 1.97 0.65 0.63 0.40 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 0.57 0.40 0.27 0.24 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 22:47:01 lo 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 22:48:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:48:01 lo 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 Average: eth0 1.50 0.72 0.82 0.57 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) 22:40:45 LINUX RESTART 22:42:01 CPU %user %nice %system %iowait %steal %idle 22:43:01 all 0.09 0.00 0.06 0.00 0.00 99.85 22:43:01 0 0.07 0.00 0.07 0.00 0.00 99.87 22:43:01 1 0.15 0.00 0.05 0.00 0.00 99.80 22:43:01 2 0.10 0.00 0.05 0.00 0.00 99.85 22:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 22:44:01 all 0.17 0.00 0.03 0.00 0.00 99.79 22:44:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:44:01 1 0.53 0.00 0.03 0.00 0.00 99.43 22:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:44:01 3 0.08 0.00 0.02 0.00 0.00 99.90 22:45:01 all 0.16 0.00 0.02 0.00 0.00 99.81 22:45:01 0 0.08 0.00 0.05 0.00 0.00 99.87 22:45:01 1 0.50 0.00 0.02 0.00 0.00 99.48 22:45:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:45:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:46:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:46:01 0 0.07 0.00 0.08 0.00 0.00 99.85 22:46:01 1 0.55 0.00 0.03 0.00 0.00 99.42 22:46:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:46:01 3 0.02 0.00 0.02 0.00 0.02 99.95 22:47:01 all 0.15 0.00 0.07 0.00 0.00 99.78 22:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:47:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:47:01 2 0.03 0.00 0.22 0.00 0.00 99.75 22:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:48:01 all 0.15 0.00 0.04 0.00 0.00 99.80 22:48:01 0 0.05 0.00 0.07 0.00 0.00 99.88 22:48:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:48:01 2 0.02 0.00 0.07 0.00 0.00 99.92 22:48:01 3 0.05 0.00 0.02 0.00 0.00 99.93 Average: all 0.15 0.00 0.05 0.00 0.00 99.80 Average: 0 0.06 0.00 0.06 0.00 0.00 99.89 Average: 1 0.46 0.00 0.03 0.00 0.00 99.51 Average: 2 0.04 0.00 0.07 0.00 0.00 99.89 Average: 3 0.04 0.00 0.02 0.00 0.00 99.93