---> uname -a: Linux fa5aa6f02709 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-392 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-392@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 677 127 0 1032 1053 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) 06/25/20 _x86_64_ (4 CPU) 19:44:46 LINUX RESTART 19:45:02 tps rtps wtps bread/s bwrtn/s 19:46:01 196.00 101.83 94.18 12099.85 42730.86 19:47:01 2.26 0.00 2.26 0.00 51.56 19:48:01 0.57 0.00 0.57 0.00 9.41 19:49:01 0.22 0.00 0.22 0.00 2.43 19:50:01 0.22 0.00 0.22 0.00 3.50 19:51:01 0.33 0.00 0.33 0.00 4.35 Average: 32.82 16.74 16.08 1989.25 7036.99 19:45:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:46:01 189364 1692192 89.94 2620 1093872 1120264 38.23 451636 1080356 120 19:47:01 192456 1689100 89.77 2620 1093812 1106392 37.76 452384 1077844 28 19:48:01 192432 1689124 89.77 2620 1093820 1106460 37.76 454580 1075916 8 19:49:01 194276 1687280 89.67 2620 1093820 1088844 37.16 454116 1074732 8 19:50:01 193068 1688488 89.74 2620 1093824 1088880 37.16 466516 1063984 8 19:51:01 191276 1690280 89.83 2620 1093836 1084720 37.02 472748 1059868 8 Average: 192145 1689411 89.79 2620 1093831 1099260 37.52 458663 1072117 30 19:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:46:01 eth0 796.04 536.08 1688.70 425.71 0.00 0.00 0.00 19:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 docker0 110.73 96.87 9.52 307.90 0.00 0.00 0.00 19:47:01 eth0 4.36 1.50 1.41 1.33 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 eth0 3.51 0.73 0.99 0.58 0.00 0.00 0.00 19:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 eth0 3.00 0.93 0.97 0.60 0.00 0.00 0.00 19:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 eth0 2.81 0.58 0.70 0.42 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 eth0 1.10 0.63 0.67 0.46 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 133.34 88.86 278.42 70.56 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.20 15.93 1.57 50.62 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) 06/25/20 _x86_64_ (4 CPU) 19:44:46 LINUX RESTART 19:45:02 CPU %user %nice %system %iowait %steal %idle 19:46:01 all 18.06 0.00 8.99 10.20 0.01 62.74 19:46:01 0 18.16 0.00 9.21 8.66 0.00 63.98 19:46:01 1 16.50 0.00 8.87 9.10 0.00 65.53 19:46:01 2 19.10 0.00 9.74 13.91 0.00 57.25 19:46:01 3 18.50 0.00 8.18 9.10 0.00 64.23 19:47:01 all 0.20 0.00 0.05 0.00 0.00 99.75 19:47:01 0 0.07 0.00 0.07 0.00 0.00 99.87 19:47:01 1 0.62 0.00 0.05 0.00 0.00 99.33 19:47:01 2 0.10 0.00 0.03 0.00 0.00 99.87 19:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:48:01 all 0.19 0.00 0.03 0.00 0.00 99.78 19:48:01 0 0.05 0.00 0.07 0.00 0.00 99.88 19:48:01 1 0.55 0.00 0.03 0.00 0.00 99.42 19:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 19:48:01 3 0.13 0.00 0.02 0.00 0.00 99.85 19:49:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:49:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:49:01 1 0.48 0.00 0.05 0.00 0.00 99.47 19:49:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:50:01 all 0.05 0.00 0.04 0.00 0.00 99.90 19:50:01 0 0.05 0.00 0.02 0.00 0.02 99.92 19:50:01 1 0.08 0.00 0.08 0.00 0.00 99.83 19:50:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:50:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:51:01 all 0.08 0.00 0.07 0.00 0.00 99.85 19:51:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:51:01 1 0.22 0.00 0.17 0.00 0.02 99.60 19:51:01 2 0.03 0.00 0.05 0.00 0.00 99.92 19:51:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 3.06 0.00 1.50 1.66 0.00 93.77 Average: 0 3.00 0.00 1.54 1.41 0.00 94.06 Average: 1 3.02 0.00 1.51 1.48 0.00 93.98 Average: 2 3.16 0.00 1.61 2.27 0.00 92.96 Average: 3 3.05 0.00 1.35 1.48 0.00 94.11