---> uname -a: Linux a810ac863308 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% /w/workspace/ndry_app-functions-sdk-go_PR-406@tmp /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-406 ---> free -m: total used free shared buff/cache available Mem: 1837 677 126 0 1033 1054 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) 07/13/20 _x86_64_ (4 CPU) 22:12:56 LINUX RESTART 22:14:01 tps rtps wtps bread/s bwrtn/s 22:15:01 28.81 9.89 18.92 4404.05 3187.37 22:16:01 0.30 0.00 0.30 0.00 4.68 22:17:01 0.22 0.00 0.22 0.00 2.70 22:18:01 0.63 0.00 0.63 0.00 8.62 22:19:01 0.25 0.00 0.25 0.00 3.50 22:20:02 0.37 0.02 0.35 0.13 3.58 Average: 5.10 1.65 3.45 735.17 535.90 22:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:15:01 194772 1686784 89.65 2620 1083300 1154880 39.41 462912 1064360 20 22:16:01 204624 1676932 89.12 2620 1083304 1080180 36.86 459408 1059736 16 22:17:01 202076 1679480 89.26 2620 1083312 1080696 36.88 461700 1059660 8 22:18:01 201892 1679664 89.27 2620 1083312 1079560 36.84 469132 1052856 8 22:19:01 203052 1678504 89.21 2620 1083316 1079380 36.84 471132 1049860 8 22:20:02 202960 1678596 89.21 2620 1083384 1079344 36.84 472372 1048660 16 Average: 201563 1679993 89.29 2620 1083321 1092340 37.28 466109 1055855 13 22:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:15:01 eth0 220.82 178.65 653.35 342.02 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 102.06 91.74 9.15 302.27 0.00 0.00 0.00 22:16:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 3.23 2.56 0.46 7.34 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 eth0 0.72 0.67 0.28 0.89 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 22:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:02 eth0 0.23 0.22 0.12 0.02 0.00 0.00 0.00 22:20:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 37.70 30.44 109.23 58.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.04 15.31 1.53 50.46 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) 07/13/20 _x86_64_ (4 CPU) 22:12:56 LINUX RESTART 22:14:01 CPU %user %nice %system %iowait %steal %idle 22:15:01 all 3.87 0.00 1.54 0.46 4.11 90.03 22:15:01 0 4.21 0.00 1.59 0.08 3.44 90.67 22:15:01 1 3.21 0.00 1.45 0.57 4.41 90.37 22:15:01 2 4.93 0.00 1.47 0.12 4.35 89.13 22:15:01 3 3.15 0.00 1.60 1.02 4.22 90.01 22:16:01 all 0.09 0.00 0.06 0.00 0.42 99.42 22:16:01 0 0.03 0.00 0.05 0.00 0.20 99.72 22:16:01 1 0.05 0.00 0.08 0.00 0.73 99.14 22:16:01 2 0.02 0.00 0.07 0.00 0.28 99.63 22:16:01 3 0.27 0.00 0.07 0.00 0.48 99.19 22:17:01 all 0.10 0.00 0.04 0.00 0.20 99.66 22:17:01 0 0.05 0.00 0.03 0.00 0.23 99.68 22:17:01 1 0.08 0.00 0.05 0.00 0.28 99.58 22:17:01 2 0.07 0.00 0.03 0.00 0.15 99.75 22:17:01 3 0.20 0.00 0.03 0.00 0.13 99.63 22:18:01 all 0.07 0.00 0.04 0.00 0.47 99.42 22:18:01 0 0.05 0.00 0.03 0.00 0.88 99.04 22:18:01 1 0.02 0.00 0.03 0.00 0.53 99.42 22:18:01 2 0.08 0.00 0.07 0.00 0.27 99.58 22:18:01 3 0.13 0.00 0.02 0.00 0.18 99.67 22:19:01 all 0.10 0.00 0.03 0.00 0.55 99.31 22:19:01 0 0.03 0.00 0.03 0.00 0.91 99.02 22:19:01 1 0.03 0.00 0.05 0.00 0.42 99.50 22:19:01 2 0.33 0.00 0.03 0.00 0.78 98.86 22:19:01 3 0.02 0.00 0.02 0.00 0.12 99.85 22:20:02 all 0.08 0.00 0.02 0.00 0.20 99.70 22:20:02 0 0.03 0.00 0.02 0.00 0.13 99.82 22:20:02 1 0.03 0.00 0.02 0.00 0.25 99.70 22:20:02 2 0.25 0.00 0.07 0.02 0.37 99.30 22:20:02 3 0.02 0.00 0.00 0.00 0.03 99.95 Average: all 0.72 0.00 0.29 0.08 0.99 97.93 Average: 0 0.73 0.00 0.29 0.01 0.96 98.00 Average: 1 0.57 0.00 0.28 0.09 1.10 97.96 Average: 2 0.94 0.00 0.29 0.02 1.03 97.72 Average: 3 0.63 0.00 0.29 0.17 0.86 98.05