---> uname -a: Linux 1ebc9404fc9a 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-478@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-478 ---> free -m: total used free shared buff/cache available Mem: 1837 658 140 0 1038 1071 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) 09/16/20 _x86_64_ (4 CPU) 21:15:01 LINUX RESTART (4 CPU) 21:16:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:17:01 46.79 12.42 34.37 0.00 4576.49 4311.46 0.00 21:18:01 0.33 0.00 0.33 0.00 0.00 5.36 0.00 21:19:01 0.27 0.00 0.27 0.00 0.00 3.16 0.00 21:20:01 0.23 0.00 0.23 0.00 0.00 3.06 0.00 Average: 11.91 3.11 8.80 0.00 1144.31 1080.94 0.00 21:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:17:01 201148 0 567088 30.14 2620 1110700 1106228 37.75 459936 1061820 8 21:18:01 205380 0 562848 29.91 2620 1110708 1077800 36.78 458564 1059260 8 21:19:01 201284 0 566936 30.13 2620 1110716 1077956 36.79 463656 1059256 20 21:20:01 199188 0 569032 30.24 2620 1110716 1077992 36.79 470004 1054636 12 Average: 201750 0 566476 30.11 2620 1110710 1084994 37.03 463040 1058743 12 21:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:17:01 eth0 335.71 289.58 784.41 371.14 0.00 0.00 0.00 0.00 21:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 docker0 125.24 84.35 9.69 302.58 0.00 0.00 0.00 0.00 21:18:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 4.23 1.82 3.31 0.30 0.00 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 0.60 0.30 0.27 0.20 0.00 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 85.34 72.96 197.05 92.93 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 31.32 21.09 2.42 75.66 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) 09/16/20 _x86_64_ (4 CPU) 21:15:01 LINUX RESTART (4 CPU) 21:16:01 CPU %user %nice %system %iowait %steal %idle 21:17:01 all 5.04 0.00 2.10 1.36 0.02 91.47 21:17:01 0 3.80 0.00 2.12 1.08 0.03 92.97 21:17:01 1 3.86 0.00 1.79 0.15 0.02 94.18 21:17:01 2 5.80 0.00 2.11 0.23 0.02 91.84 21:17:01 3 6.71 0.00 2.36 3.99 0.02 86.92 21:18:01 all 0.12 0.00 0.05 0.00 0.00 99.83 21:18:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:18:01 1 0.37 0.00 0.05 0.00 0.02 99.57 21:18:01 2 0.05 0.00 0.07 0.00 0.00 99.88 21:18:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:19:01 all 0.13 0.00 0.04 0.00 0.00 99.82 21:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:19:01 1 0.40 0.00 0.03 0.00 0.00 99.57 21:19:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:19:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:20:01 all 0.14 0.00 0.04 0.00 0.00 99.83 21:20:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:20:01 1 0.45 0.00 0.05 0.00 0.00 99.50 21:20:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:20:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 1.35 0.00 0.55 0.34 0.01 97.75 Average: 0 0.98 0.00 0.56 0.27 0.01 98.19 Average: 1 1.27 0.00 0.48 0.04 0.01 98.21 Average: 2 1.48 0.00 0.56 0.06 0.00 97.90 Average: 3 1.69 0.00 0.61 0.99 0.00 96.70