---> uname -a: Linux 61a8ac6cb79b 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: 2933.436 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% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 671 134 0 1031 1059 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) 06/26/20 _x86_64_ (4 CPU) 16:41:45 LINUX RESTART 16:42:01 tps rtps wtps bread/s bwrtn/s 16:43:01 191.69 101.15 90.55 11947.30 41971.87 16:44:01 1.68 0.00 1.68 0.00 36.30 16:45:01 0.42 0.00 0.42 0.00 6.32 16:46:01 0.25 0.00 0.25 0.00 3.36 16:47:01 0.25 0.00 0.25 0.00 2.93 16:48:01 0.33 0.00 0.33 0.00 4.91 Average: 32.45 16.86 15.58 1991.71 7006.03 16:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:43:01 158104 1723452 91.60 2620 1122844 1135632 38.76 456448 1105688 120 16:44:01 168016 1713540 91.07 2620 1122848 1074296 36.66 451432 1102312 16 16:45:01 165428 1716128 91.21 2620 1122912 1074476 36.67 454764 1102112 24 16:46:01 164980 1716576 91.23 2620 1122856 1074632 36.68 455204 1102096 12 16:47:01 165296 1716260 91.21 2620 1122860 1074308 36.66 455192 1101404 16 16:48:01 164820 1716736 91.24 2620 1122868 1074464 36.67 455920 1101404 8 Average: 164441 1717115 91.26 2620 1122865 1084635 37.02 454827 1102503 33 16:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:43:01 eth0 653.21 435.35 1647.60 411.67 0.00 0.00 0.00 16:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 docker0 101.95 99.63 8.95 304.06 0.00 0.00 0.00 16:44:01 eth0 1.20 0.07 0.11 0.02 0.00 0.00 0.00 16:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 eth0 2.15 0.95 0.86 0.67 0.00 0.00 0.00 16:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 eth0 1.60 0.85 0.83 0.65 0.00 0.00 0.00 16:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 eth0 0.77 0.07 0.06 0.01 0.00 0.00 0.00 16:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 eth0 1.43 0.53 0.46 0.27 0.00 0.00 0.00 16:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 110.09 72.99 275.06 68.90 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.00 16.61 1.49 50.69 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) 06/26/20 _x86_64_ (4 CPU) 16:41:45 LINUX RESTART 16:42:01 CPU %user %nice %system %iowait %steal %idle 16:43:01 all 20.20 0.00 9.15 5.39 0.70 64.56 16:43:01 0 19.16 0.00 10.50 4.85 0.70 64.79 16:43:01 1 17.17 0.00 8.17 6.51 0.85 67.30 16:43:01 2 24.28 0.00 7.80 6.34 0.53 61.05 16:43:01 3 20.18 0.00 10.13 3.88 0.70 65.10 16:44:01 all 0.04 0.00 0.03 0.00 0.04 99.89 16:44:01 0 0.02 0.00 0.02 0.00 0.02 99.95 16:44:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:44:01 2 0.05 0.00 0.07 0.00 0.12 99.77 16:44:01 3 0.03 0.00 0.03 0.00 0.03 99.90 16:45:01 all 0.12 0.00 0.05 0.00 0.14 99.69 16:45:01 0 0.02 0.00 0.05 0.00 0.13 99.80 16:45:01 1 0.37 0.00 0.07 0.00 0.13 99.43 16:45:01 2 0.08 0.00 0.05 0.00 0.25 99.62 16:45:01 3 0.02 0.00 0.07 0.00 0.05 99.87 16:46:01 all 0.11 0.00 0.04 0.00 0.12 99.73 16:46:01 0 0.03 0.00 0.02 0.00 0.07 99.88 16:46:01 1 0.33 0.00 0.05 0.00 0.10 99.52 16:46:01 2 0.02 0.00 0.03 0.00 0.18 99.77 16:46:01 3 0.03 0.00 0.03 0.00 0.12 99.82 16:47:01 all 0.13 0.00 0.03 0.00 0.10 99.74 16:47:01 0 0.00 0.00 0.02 0.00 0.08 99.90 16:47:01 1 0.47 0.00 0.03 0.00 0.13 99.37 16:47:01 2 0.03 0.00 0.03 0.00 0.10 99.83 16:47:01 3 0.03 0.00 0.02 0.00 0.10 99.85 16:48:01 all 0.16 0.00 0.02 0.00 0.02 99.80 16:48:01 0 0.02 0.00 0.00 0.00 0.03 99.95 16:48:01 1 0.58 0.00 0.02 0.00 0.03 99.37 16:48:01 2 0.02 0.00 0.02 0.00 0.02 99.95 16:48:01 3 0.00 0.00 0.03 0.00 0.02 99.95 Average: all 3.39 0.00 1.52 0.88 0.18 94.02 Average: 0 3.13 0.00 1.73 0.79 0.17 94.18 Average: 1 3.11 0.00 1.37 1.06 0.21 94.25 Average: 2 4.01 0.00 1.31 1.04 0.20 93.44 Average: 3 3.31 0.00 1.68 0.63 0.17 94.21