---> uname -a: Linux 0362e8849fbd 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-439@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-439 ---> free -m: total used free shared buff/cache available Mem: 1837 676 116 0 1044 1055 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) 08/07/20 _x86_64_ (4 CPU) 08:11:47 LINUX RESTART 08:13:02 tps rtps wtps bread/s bwrtn/s 08:14:01 3.35 0.00 3.35 0.00 105.69 08:15:01 0.32 0.00 0.32 0.00 5.00 08:16:01 0.33 0.00 0.33 0.00 3.55 08:17:01 0.25 0.00 0.25 0.00 2.70 08:18:01 0.18 0.00 0.18 0.00 3.10 08:19:01 0.32 0.02 0.30 0.13 3.93 Average: 0.78 0.00 0.78 0.02 20.43 08:13:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 225696 1655860 88.00 2620 1061160 1119624 38.21 461740 1033568 12 08:15:01 230372 1651184 87.76 2620 1061164 1082228 36.93 462084 1029680 8 08:16:01 230176 1651380 87.77 2620 1061172 1082300 36.94 462428 1029680 8 08:17:01 229212 1652344 87.82 2620 1061172 1082108 36.93 475816 1017288 8 08:18:01 229436 1652120 87.81 2620 1061180 1082180 36.93 484848 1008632 20 08:19:01 229632 1651924 87.80 2620 1061188 1082144 36.93 484420 1008628 12 Average: 229087 1652469 87.82 2620 1061173 1088431 37.15 471889 1021246 11 08:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:14:01 eth0 4.32 3.57 1.79 7.21 0.00 0.00 0.00 08:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 eth0 1.22 0.47 0.33 0.54 0.00 0.00 0.00 08:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 eth0 1.35 0.78 0.60 0.38 0.00 0.00 0.00 08:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 08:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 08:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 eth0 0.20 0.13 0.07 0.01 0.00 0.00 0.00 08:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.23 0.86 0.48 1.36 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) 08/07/20 _x86_64_ (4 CPU) 08:11:47 LINUX RESTART 08:13:02 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 0.11 0.00 0.06 0.00 0.00 99.83 08:14:01 0 0.08 0.00 0.05 0.00 0.00 99.86 08:14:01 1 0.25 0.00 0.07 0.00 0.00 99.68 08:14:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:14:01 3 0.07 0.00 0.08 0.00 0.00 99.85 08:15:01 all 0.12 0.00 0.04 0.00 0.00 99.84 08:15:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:15:01 1 0.10 0.00 0.02 0.00 0.00 99.88 08:15:01 2 0.27 0.00 0.05 0.00 0.00 99.68 08:15:01 3 0.07 0.00 0.07 0.00 0.00 99.87 08:16:01 all 0.11 0.00 0.03 0.00 0.00 99.85 08:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:16:01 1 0.02 0.00 0.03 0.00 0.00 99.95 08:16:01 2 0.38 0.00 0.03 0.00 0.02 99.57 08:16:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:17:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:17:01 1 0.03 0.00 0.05 0.00 0.00 99.92 08:17:01 2 0.53 0.00 0.02 0.00 0.00 99.45 08:17:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:18:01 all 0.16 0.00 0.05 0.00 0.00 99.79 08:18:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:18:01 1 0.03 0.00 0.10 0.00 0.00 99.87 08:18:01 2 0.53 0.00 0.02 0.00 0.00 99.45 08:18:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:19:01 all 0.15 0.00 0.02 0.00 0.00 99.84 08:19:01 0 0.03 0.00 0.03 0.00 0.02 99.92 08:19:01 1 0.02 0.00 0.02 0.02 0.00 99.95 08:19:01 2 0.52 0.00 0.02 0.00 0.00 99.47 08:19:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.14 0.00 0.04 0.00 0.00 99.83 Average: 0 0.04 0.00 0.03 0.00 0.00 99.92 Average: 1 0.08 0.00 0.05 0.00 0.00 99.87 Average: 2 0.38 0.00 0.03 0.00 0.00 99.59 Average: 3 0.04 0.00 0.04 0.00 0.00 99.91