---> uname -a: Linux 3c94452c321a 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: 2933.396 BogoMIPS: 5866.79 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-485 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-485@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 675 134 0 1028 1055 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) 09/15/20 _x86_64_ (4 CPU) 22:02:45 LINUX RESTART (4 CPU) 22:04:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:05:01 3.55 0.00 3.55 0.00 0.00 112.07 0.00 22:06:01 0.43 0.00 0.43 0.00 0.00 6.10 0.00 22:07:01 0.27 0.00 0.27 0.00 0.00 3.01 0.00 22:08:01 0.32 0.00 0.32 0.00 0.00 3.48 0.00 22:09:01 0.32 0.00 0.32 0.00 0.00 4.43 0.00 22:10:01 61.62 44.46 17.17 0.00 4318.48 3179.34 0.00 Average: 11.09 7.41 3.68 0.00 719.93 551.54 0.00 22:04:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:05:01 226228 0 596408 31.70 2620 1056300 1108952 37.85 445104 1052388 12 22:06:01 232904 0 589728 31.34 2620 1056304 1073340 36.63 442816 1048584 8 22:07:01 232808 0 589812 31.35 2620 1056316 1073452 36.63 443468 1048592 8 22:08:01 232024 0 590596 31.39 2620 1056316 1073340 36.63 446892 1045936 20 22:09:01 231488 0 591128 31.42 2620 1056320 1073412 36.63 450172 1042936 8 22:10:01 151264 0 664236 35.30 2620 1063436 1280688 43.71 454472 1079088 97484 Average: 217786 0 603651 32.08 2620 1057499 1113864 38.01 447154 1052921 16257 22:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:05:01 eth0 7.56 4.30 3.77 7.54 0.00 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 eth0 0.87 0.08 0.08 0.01 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 eth0 0.78 0.38 0.28 0.20 0.00 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 0.92 0.08 0.09 0.01 0.00 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 0.75 0.17 0.13 0.07 0.00 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 eth0 93.91 76.24 739.06 10.13 0.00 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.47 13.55 123.93 2.99 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 0.00 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) 09/15/20 _x86_64_ (4 CPU) 22:02:45 LINUX RESTART (4 CPU) 22:04:01 CPU %user %nice %system %iowait %steal %idle 22:05:01 all 0.16 0.00 0.08 0.00 0.00 99.76 22:05:01 0 0.13 0.00 0.08 0.00 0.00 99.78 22:05:01 1 0.28 0.00 0.07 0.00 0.00 99.65 22:05:01 2 0.13 0.00 0.08 0.00 0.00 99.78 22:05:01 3 0.10 0.00 0.08 0.00 0.00 99.82 22:06:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:06:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:06:01 1 0.48 0.00 0.03 0.00 0.00 99.48 22:06:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:06:01 3 0.03 0.00 0.03 0.00 0.02 99.92 22:07:01 all 0.15 0.00 0.03 0.00 0.00 99.81 22:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:07:01 1 0.48 0.00 0.03 0.00 0.00 99.48 22:07:01 2 0.07 0.00 0.07 0.00 0.00 99.87 22:07:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:08:01 all 0.13 0.00 0.03 0.00 0.00 99.84 22:08:01 0 0.00 0.00 0.02 0.00 0.02 99.97 22:08:01 1 0.48 0.00 0.03 0.00 0.00 99.48 22:08:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:08:01 3 0.00 0.00 0.02 0.00 0.00 99.98 22:09:01 all 0.17 0.00 0.06 0.00 0.00 99.78 22:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:09:01 1 0.55 0.00 0.03 0.00 0.00 99.42 22:09:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:09:01 3 0.03 0.00 0.13 0.00 0.00 99.83 22:10:01 all 3.08 0.00 1.83 1.10 0.03 93.97 22:10:01 0 2.79 0.00 1.77 1.14 0.00 94.30 22:10:01 1 2.94 0.00 1.87 0.59 0.02 94.58 22:10:01 2 2.86 0.00 1.49 0.43 0.05 95.17 22:10:01 3 3.71 0.00 2.18 2.23 0.03 91.85 Average: all 0.64 0.00 0.34 0.18 0.01 98.83 Average: 0 0.50 0.00 0.32 0.19 0.00 98.98 Average: 1 0.87 0.00 0.34 0.10 0.00 98.69 Average: 2 0.54 0.00 0.30 0.07 0.01 99.08 Average: 3 0.65 0.00 0.41 0.37 0.01 98.56