---> uname -a: Linux 8d08b0b99252 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 7.0G 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-480 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-480@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 149 0 1017 1059 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) 22:15:47 LINUX RESTART (4 CPU) 22:17:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:18:01 3.44 0.00 3.44 0.00 0.00 109.23 0.00 22:19:01 0.35 0.00 0.35 0.00 0.00 4.75 0.00 22:20:01 0.35 0.00 0.35 0.00 0.00 5.45 0.00 Average: 1.36 0.00 1.36 0.00 0.00 39.03 0.00 22:17:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:18:01 216156 0 590792 31.40 2620 1071988 1124460 38.38 447628 1059056 12 22:19:01 215680 0 591264 31.42 2620 1071992 1110872 37.91 449580 1057548 8 22:20:01 216600 0 590332 31.37 2620 1072004 1102796 37.64 449832 1056984 16 Average: 216145 0 590796 31.40 2620 1071995 1112709 37.97 449013 1057863 12 22:17:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:18:01 eth0 5.56 2.24 1.54 2.72 0.00 0.00 0.00 0.00 22:18:01 lo 0.00 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 0.00 22:19:01 eth0 4.00 1.17 1.31 0.79 0.00 0.00 0.00 0.00 22:19:01 lo 0.00 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 0.00 22:20:01 eth0 2.68 0.85 0.92 0.59 0.00 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.06 1.41 1.25 1.35 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) 22:15:47 LINUX RESTART (4 CPU) 22:17:03 CPU %user %nice %system %iowait %steal %idle 22:18:01 all 0.16 0.00 0.06 0.00 0.04 99.73 22:18:01 0 0.16 0.00 0.03 0.00 0.02 99.79 22:18:01 1 0.34 0.00 0.09 0.00 0.05 99.52 22:18:01 2 0.05 0.00 0.09 0.00 0.00 99.86 22:18:01 3 0.09 0.00 0.05 0.00 0.10 99.76 22:19:01 all 0.15 0.00 0.05 0.00 0.04 99.75 22:19:01 0 0.03 0.00 0.05 0.00 0.02 99.90 22:19:01 1 0.43 0.00 0.07 0.00 0.03 99.47 22:19:01 2 0.07 0.00 0.05 0.00 0.03 99.85 22:19:01 3 0.08 0.00 0.03 0.00 0.08 99.80 22:20:01 all 0.12 0.00 0.03 0.00 0.00 99.84 22:20:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:20:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:20:01 2 0.33 0.00 0.02 0.00 0.02 99.63 22:20:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.14 0.00 0.05 0.00 0.03 99.78 Average: 0 0.08 0.00 0.04 0.00 0.01 99.87 Average: 1 0.28 0.00 0.07 0.00 0.03 99.63 Average: 2 0.15 0.00 0.05 0.00 0.02 99.78 Average: 3 0.07 0.00 0.04 0.00 0.06 99.83