---> uname -a: Linux 4d0da6a2ab7c 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: 2933.396 BogoMIPS: 5866.79 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-457 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-457@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 118 0 1047 1060 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) 08/28/20 _x86_64_ (4 CPU) 06:44:00 LINUX RESTART 06:45:01 tps rtps wtps bread/s bwrtn/s 06:46:01 9.71 3.35 6.36 691.04 1303.23 06:47:01 0.38 0.00 0.38 0.00 6.05 06:48:01 0.27 0.00 0.27 0.00 2.88 06:49:01 0.33 0.00 0.33 0.00 3.83 06:50:01 0.28 0.00 0.28 0.00 3.71 06:51:01 0.25 0.02 0.23 0.13 1.93 Average: 1.87 0.56 1.31 115.22 220.33 06:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:46:01 235128 1646428 87.50 2620 1066400 1115988 38.09 428432 1059412 20 06:47:01 241076 1640480 87.19 2620 1066404 1077356 36.77 427776 1055164 8 06:48:01 240612 1640944 87.21 2620 1066412 1077548 36.77 428968 1055168 8 06:49:01 238752 1642804 87.31 2620 1066468 1077536 36.77 433160 1052588 20 06:50:01 239820 1641736 87.25 2620 1066416 1077428 36.77 435436 1049388 8 06:51:01 240116 1641440 87.24 2620 1066428 1077356 36.77 435212 1049388 12 Average: 239251 1642305 87.28 2620 1066421 1083869 36.99 431497 1053518 13 06:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:46:01 eth0 221.43 210.37 344.07 337.13 0.00 0.00 0.00 06:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:01 docker0 122.98 93.46 10.24 303.28 0.00 0.00 0.00 06:47:01 eth0 0.77 0.08 0.07 0.01 0.00 0.00 0.00 06:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:48:01 eth0 0.93 0.40 0.35 0.21 0.00 0.00 0.00 06:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 eth0 0.52 0.45 0.31 0.21 0.00 0.00 0.00 06:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 06:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 eth0 0.02 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 37.32 35.25 57.49 56.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.50 15.58 1.71 50.56 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) 08/28/20 _x86_64_ (4 CPU) 06:44:00 LINUX RESTART 06:45:01 CPU %user %nice %system %iowait %steal %idle 06:46:01 all 3.07 0.00 0.96 0.08 0.00 95.88 06:46:01 0 3.20 0.00 1.10 0.02 0.00 95.68 06:46:01 1 2.74 0.00 0.87 0.02 0.00 96.37 06:46:01 2 2.74 0.00 0.95 0.03 0.02 96.26 06:46:01 3 3.62 0.00 0.92 0.25 0.00 95.21 06:47:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:47:01 0 0.50 0.00 0.03 0.00 0.02 99.45 06:47:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:47:01 2 0.02 0.00 0.03 0.00 0.00 99.95 06:47:01 3 0.02 0.00 0.03 0.00 0.00 99.95 06:48:01 all 0.16 0.00 0.02 0.00 0.00 99.82 06:48:01 0 0.48 0.00 0.02 0.00 0.00 99.50 06:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 06:48:01 2 0.07 0.00 0.02 0.00 0.00 99.92 06:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:49:01 all 0.14 0.00 0.03 0.00 0.00 99.83 06:49:01 0 0.45 0.00 0.05 0.00 0.00 99.50 06:49:01 1 0.02 0.00 0.05 0.00 0.00 99.93 06:49:01 2 0.05 0.00 0.02 0.00 0.00 99.93 06:49:01 3 0.07 0.00 0.03 0.00 0.00 99.90 06:50:01 all 0.15 0.00 0.05 0.00 0.00 99.79 06:50:01 0 0.53 0.00 0.02 0.00 0.00 99.45 06:50:01 1 0.03 0.00 0.15 0.00 0.00 99.82 06:50:01 2 0.05 0.00 0.02 0.00 0.00 99.93 06:50:01 3 0.00 0.00 0.02 0.00 0.00 99.98 06:51:01 all 0.14 0.00 0.02 0.00 0.00 99.84 06:51:01 0 0.50 0.00 0.02 0.00 0.00 99.48 06:51:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:51:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.63 0.00 0.19 0.01 0.00 99.17 Average: 0 0.94 0.00 0.21 0.00 0.00 98.85 Average: 1 0.48 0.00 0.19 0.00 0.00 99.33 Average: 2 0.49 0.00 0.18 0.01 0.00 99.32 Average: 3 0.63 0.00 0.17 0.04 0.00 99.16