---> uname -a: Linux 4a0ff732f236 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 7.3G 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-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 661 129 0 1046 1069 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) 06/22/20 _x86_64_ (4 CPU) 21:58:49 LINUX RESTART 22:00:01 tps rtps wtps bread/s bwrtn/s 22:01:01 2.43 0.02 2.41 0.13 52.76 22:02:01 0.83 0.12 0.72 2.13 12.27 22:03:01 0.17 0.00 0.17 0.00 2.01 Average: 1.14 0.04 1.10 0.75 22.35 22:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:01:01 178744 1702812 90.50 2620 1121676 1070224 36.52 459628 1083412 16 22:02:01 178592 1702964 90.51 2620 1121820 1068512 36.47 460456 1083200 20 22:03:01 178572 1702984 90.51 2620 1121824 1068548 36.47 460752 1083196 16 Average: 178636 1702920 90.51 2620 1121773 1069095 36.49 460279 1083269 17 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:01:01 eth0 0.65 0.10 0.06 0.02 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 eth0 0.92 0.42 0.32 0.21 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 eth0 0.45 0.33 0.27 0.20 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.67 0.28 0.21 0.14 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) 06/22/20 _x86_64_ (4 CPU) 21:58:49 LINUX RESTART 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:01:01 all 0.11 0.00 0.06 0.00 0.00 99.83 22:01:01 0 0.32 0.00 0.12 0.00 0.00 99.57 22:01:01 1 0.07 0.00 0.07 0.00 0.00 99.87 22:01:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 all 0.05 0.00 0.04 0.00 0.00 99.91 22:02:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:02:01 1 0.08 0.00 0.07 0.02 0.00 99.83 22:02:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:02:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:03:01 all 0.10 0.00 0.03 0.00 0.00 99.87 22:03:01 0 0.30 0.00 0.02 0.00 0.00 99.68 22:03:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:03:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:03:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 0.08 0.00 0.04 0.00 0.00 99.87 Average: 0 0.22 0.00 0.06 0.00 0.00 99.72 Average: 1 0.06 0.00 0.05 0.01 0.00 99.89 Average: 2 0.02 0.00 0.03 0.00 0.00 99.94 Average: 3 0.04 0.00 0.03 0.00 0.00 99.93