---> uname -a: Linux faf509cb4606 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 780 86 0 970 988 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 07/29/20 _x86_64_ (4 CPU) 03:42:01 LINUX RESTART 03:43:01 tps rtps wtps bread/s bwrtn/s 03:44:01 7.48 1.98 5.49 188.74 1252.21 03:45:01 0.25 0.00 0.25 0.00 3.78 03:46:01 0.32 0.00 0.32 0.00 3.80 03:47:01 0.22 0.00 0.22 0.00 3.10 03:48:01 291.48 170.70 120.78 7427.22 43589.90 03:49:02 258.56 123.67 134.89 8576.00 32462.66 Average: 93.17 49.45 43.72 2702.58 12901.06 03:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:44:01 211644 1669912 88.75 2620 1078580 1118296 38.17 448596 1064132 20 03:45:01 209092 1672464 88.89 2620 1078584 1111132 37.92 452616 1062784 20 03:46:01 207580 1673976 88.97 2620 1078592 1103888 37.67 454480 1061992 20 03:47:01 205860 1675696 89.06 2620 1078592 1104448 37.69 456888 1061820 8 03:48:01 64760 1816796 96.56 2596 1098432 1545172 52.73 685760 930008 43036 03:49:02 75156 1806400 96.01 1492 993632 1543148 52.66 711364 798396 76800 Average: 162349 1719207 91.37 2428 1067735 1254347 42.81 534951 996522 19984 03:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:44:01 eth0 177.39 155.93 237.11 318.90 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 81.30 57.78 5.88 204.99 0.00 0.00 0.00 03:45:01 eth0 3.48 0.88 1.02 0.63 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 eth0 1.40 0.83 0.80 0.59 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 eth0 1.40 0.85 0.11 6.98 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 eth0 464.76 287.80 7578.75 63.66 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 37.59 36.11 3.56 304.69 0.00 0.00 0.00 03:49:02 eth0 203.97 136.96 2553.88 69.45 0.00 0.00 0.00 03:49:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:02 docker0 21.86 27.17 1.35 173.52 0.00 0.00 0.00 Average: eth0 142.15 97.26 1729.89 76.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 23.46 20.18 1.80 113.93 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) 07/29/20 _x86_64_ (4 CPU) 03:42:01 LINUX RESTART 03:43:01 CPU %user %nice %system %iowait %steal %idle 03:44:01 all 2.37 0.00 0.62 0.05 0.01 96.95 03:44:01 0 2.76 0.00 0.74 0.02 0.00 96.49 03:44:01 1 2.00 0.00 0.60 0.07 0.03 97.30 03:44:01 2 1.35 0.00 0.63 0.12 0.00 97.89 03:44:01 3 3.39 0.00 0.53 0.02 0.02 96.05 03:45:01 all 0.17 0.00 0.04 0.00 0.00 99.78 03:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:45:01 1 0.55 0.00 0.03 0.00 0.00 99.42 03:45:01 2 0.07 0.00 0.05 0.00 0.02 99.87 03:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:46:01 all 0.17 0.00 0.03 0.00 0.00 99.80 03:46:01 0 0.07 0.00 0.07 0.00 0.02 99.85 03:46:01 1 0.53 0.00 0.03 0.00 0.00 99.43 03:46:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:47:01 all 0.07 0.00 0.04 0.00 0.00 99.88 03:47:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 1 0.15 0.00 0.02 0.00 0.00 99.83 03:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 3 0.07 0.00 0.03 0.00 0.00 99.90 03:48:01 all 11.60 0.00 6.32 2.57 0.12 79.39 03:48:01 0 10.73 0.00 6.65 1.49 0.10 81.03 03:48:01 1 11.04 0.00 5.82 2.95 0.12 80.07 03:48:01 2 12.62 0.00 6.33 2.95 0.15 77.95 03:48:01 3 11.98 0.00 6.48 2.89 0.12 78.53 03:49:02 all 11.52 0.00 7.77 4.29 0.15 76.27 03:49:02 0 9.48 0.00 7.08 2.22 0.17 81.05 03:49:02 1 11.07 0.00 7.57 9.72 0.14 71.51 03:49:02 2 11.39 0.00 8.31 2.74 0.14 77.43 03:49:02 3 14.17 0.00 8.15 2.50 0.15 75.03 Average: all 4.28 0.00 2.45 1.14 0.05 92.09 Average: 0 3.82 0.00 2.41 0.61 0.05 93.11 Average: 1 4.19 0.00 2.32 2.10 0.05 91.34 Average: 2 4.21 0.00 2.54 0.96 0.05 92.24 Average: 3 4.89 0.00 2.51 0.89 0.05 91.66