---> uname -a: Linux 6ba69256b150 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: 2933.442 BogoMIPS: 5866.88 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-467 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-467@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 679 156 0 1001 1049 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) 09/04/20 _x86_64_ (4 CPU) 19:19:00 LINUX RESTART (4 CPU) 19:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:21:01 15.53 4.98 10.55 0.00 1125.22 2228.45 0.00 19:22:01 0.38 0.00 0.38 0.00 0.00 6.05 0.00 19:23:01 0.37 0.00 0.37 0.00 0.00 5.06 0.00 19:24:01 0.20 0.00 0.20 0.00 0.00 1.62 0.00 Average: 4.12 1.24 2.88 0.00 281.39 560.46 0.00 19:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:21:01 219836 0 602920 32.04 2620 1056180 1120560 38.24 461836 1039652 20 19:22:01 225868 0 596884 31.72 2620 1056184 1080236 36.87 460888 1035516 12 19:23:01 225628 0 597116 31.74 2620 1056192 1080260 36.87 462436 1034272 8 19:24:01 224660 0 598084 31.79 2620 1056192 1080128 36.86 463612 1034052 8 Average: 223998 0 598751 31.82 2620 1056187 1090296 37.21 462193 1035873 12 19:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:21:01 eth0 213.35 193.11 341.81 346.73 0.00 0.00 0.00 0.00 19:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 docker0 101.12 75.73 8.51 302.28 0.00 0.00 0.00 0.00 19:22:01 eth0 5.06 3.63 3.36 2.39 0.00 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 eth0 0.65 0.33 0.28 0.23 0.00 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 0.82 0.08 0.08 0.01 0.00 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 54.99 49.30 86.40 87.36 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 25.29 18.94 2.13 75.59 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) 09/04/20 _x86_64_ (4 CPU) 19:19:00 LINUX RESTART (4 CPU) 19:20:01 CPU %user %nice %system %iowait %steal %idle 19:21:01 all 3.17 0.00 1.32 0.23 0.01 95.26 19:21:01 0 4.48 0.00 1.52 0.07 0.02 93.92 19:21:01 1 2.75 0.00 1.25 0.07 0.00 95.93 19:21:01 2 2.07 0.00 1.34 0.70 0.02 95.87 19:21:01 3 3.39 0.00 1.19 0.08 0.02 95.32 19:22:01 all 0.10 0.00 0.05 0.00 0.01 99.85 19:22:01 0 0.07 0.00 0.05 0.00 0.02 99.87 19:22:01 1 0.15 0.00 0.05 0.00 0.02 99.78 19:22:01 2 0.05 0.00 0.02 0.00 0.00 99.93 19:22:01 3 0.12 0.00 0.08 0.00 0.00 99.80 19:23:01 all 0.15 0.00 0.04 0.00 0.00 99.80 19:23:01 0 0.03 0.00 0.05 0.00 0.00 99.92 19:23:01 1 0.47 0.00 0.05 0.00 0.00 99.48 19:23:01 2 0.03 0.00 0.03 0.00 0.02 99.92 19:23:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:24:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:24:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:24:01 1 0.53 0.00 0.03 0.00 0.00 99.43 19:24:01 2 0.02 0.00 0.05 0.00 0.00 99.93 19:24:01 3 0.02 0.00 0.02 0.00 0.02 99.95 Average: all 0.89 0.00 0.36 0.06 0.01 98.68 Average: 0 1.15 0.00 0.41 0.02 0.01 98.42 Average: 1 0.98 0.00 0.35 0.02 0.00 98.66 Average: 2 0.54 0.00 0.36 0.18 0.01 98.92 Average: 3 0.90 0.00 0.33 0.02 0.01 98.74