---> uname -a: Linux 805bcc1e5dab 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-379 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-379@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 666 122 0 1047 1065 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) 06/11/20 _x86_64_ (4 CPU) 18:02:54 LINUX RESTART 18:04:01 tps rtps wtps bread/s bwrtn/s 18:05:01 2.40 0.00 2.40 0.00 54.21 18:06:01 1.30 0.00 1.30 0.00 11.84 18:07:01 2.93 0.00 2.93 0.00 31.09 18:08:01 0.23 0.00 0.23 0.00 2.83 18:09:01 0.35 0.00 0.35 0.00 4.81 Average: 1.44 0.00 1.44 0.00 20.96 18:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:05:01 171396 1710160 90.89 2620 1120376 1128584 38.52 468788 1082408 16 18:06:01 175264 1706292 90.69 2620 1120380 1086076 37.07 471660 1076296 24 18:07:01 174320 1707236 90.74 2620 1120392 1086316 37.07 472268 1076248 8 18:08:01 174888 1706668 90.71 2620 1120392 1085992 37.06 474540 1073664 8 18:09:01 174884 1706672 90.71 2620 1120396 1086064 37.07 475452 1073152 8 Average: 174150 1707406 90.74 2620 1120387 1094606 37.36 472542 1076354 13 18:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:05:01 eth0 0.97 0.42 0.31 0.22 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 18.50 10.94 11.97 15.09 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 29.03 16.39 25.09 11.75 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 9.77 5.60 7.50 5.43 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) 06/11/20 _x86_64_ (4 CPU) 18:02:54 LINUX RESTART 18:04:01 CPU %user %nice %system %iowait %steal %idle 18:05:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:05:01 0 0.08 0.00 0.03 0.00 0.00 99.88 18:05:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:05:01 2 0.50 0.00 0.05 0.00 0.00 99.45 18:05:01 3 0.07 0.00 0.07 0.00 0.00 99.87 18:06:01 all 0.31 0.00 0.11 0.00 0.00 99.57 18:06:01 0 0.62 0.00 0.10 0.02 0.00 99.27 18:06:01 1 0.20 0.00 0.13 0.00 0.00 99.67 18:06:01 2 0.17 0.00 0.10 0.00 0.00 99.73 18:06:01 3 0.25 0.00 0.13 0.00 0.02 99.60 18:07:01 all 0.45 0.00 0.14 0.01 0.00 99.40 18:07:01 0 0.25 0.00 0.12 0.00 0.00 99.63 18:07:01 1 0.32 0.00 0.15 0.02 0.00 99.52 18:07:01 2 0.32 0.00 0.13 0.02 0.00 99.53 18:07:01 3 0.92 0.00 0.17 0.02 0.00 98.90 18:08:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:08:01 1 0.07 0.00 0.05 0.00 0.02 99.87 18:08:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:08:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:09:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:09:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:09:01 2 0.48 0.00 0.03 0.00 0.00 99.48 18:09:01 3 0.08 0.00 0.03 0.00 0.00 99.88 Average: all 0.25 0.00 0.07 0.00 0.00 99.67 Average: 0 0.20 0.00 0.06 0.00 0.00 99.74 Average: 1 0.14 0.00 0.08 0.00 0.00 99.78 Average: 2 0.30 0.00 0.07 0.00 0.00 99.63 Average: 3 0.37 0.00 0.08 0.00 0.00 99.54