---> uname -a: Linux d8feeebb54c9 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 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 773 118 0 945 995 Swap: 1023 3 1020 ---> 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) 04:08:24 LINUX RESTART 04:09:02 tps rtps wtps bread/s bwrtn/s 04:10:01 58.24 16.46 41.78 5222.96 6602.15 04:11:01 1.75 0.00 1.75 0.00 33.81 04:12:01 0.13 0.00 0.13 0.00 2.28 04:13:01 0.27 0.00 0.27 0.00 3.46 04:14:01 187.60 122.64 64.96 4732.08 30364.89 04:15:01 292.89 126.59 166.30 7109.47 36552.90 Average: 90.26 44.37 45.89 2838.18 12279.06 04:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:10:01 216840 1664716 88.48 2620 1069708 1111704 37.94 448816 1057468 120 04:11:01 219088 1662468 88.36 2620 1069672 1103824 37.67 449756 1054740 20 04:12:01 220912 1660644 88.26 2620 1069680 1087376 37.11 449112 1053824 12 04:13:01 219836 1661720 88.32 2620 1069680 1082236 36.93 450912 1053464 16 04:14:01 97456 1784100 94.82 2620 1111136 1295884 44.23 488068 1102064 0 04:15:01 196200 1685356 89.57 1588 907672 1733680 59.17 643348 750912 40 Average: 195055 1686501 89.63 2448 1049591 1235784 42.18 488335 1012079 35 04:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:10:01 eth0 598.73 431.88 1325.71 402.65 0.00 0.00 0.00 04:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 docker0 124.67 105.89 10.32 307.89 0.00 0.00 0.00 04:11:01 eth0 3.95 1.95 1.02 2.38 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 eth0 1.00 0.32 0.32 0.20 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 1.15 0.37 0.33 0.23 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 eth0 153.35 94.09 3767.05 11.67 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 veth660861e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 veth2b82759 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 veth2ef317e 0.00 0.02 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 1369.03 901.36 9514.71 535.32 0.00 0.00 0.00 04:15:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:15:01 docker0 193.99 191.61 15.49 782.63 0.00 0.00 0.00 Average: veth2ef317e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 228.91 150.71 1590.90 89.51 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 32.44 32.04 2.59 130.86 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) 04:08:24 LINUX RESTART 04:09:02 CPU %user %nice %system %iowait %steal %idle 04:10:01 all 8.54 0.00 3.28 2.23 0.02 85.94 04:10:01 0 7.62 0.00 3.67 0.79 0.03 87.89 04:10:01 1 10.75 0.00 3.29 1.65 0.02 84.30 04:10:01 2 8.70 0.00 3.39 5.87 0.02 82.02 04:10:01 3 7.10 0.00 2.80 0.61 0.00 89.49 04:11:01 all 0.17 0.00 0.05 0.00 0.00 99.78 04:11:01 0 0.52 0.00 0.03 0.00 0.00 99.45 04:11:01 1 0.05 0.00 0.07 0.00 0.00 99.88 04:11:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:11:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:12:01 all 0.15 0.00 0.04 0.00 0.00 99.82 04:12:01 0 0.47 0.00 0.03 0.00 0.00 99.50 04:12:01 1 0.05 0.00 0.05 0.00 0.00 99.90 04:12:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:13:01 all 0.16 0.00 0.03 0.00 0.00 99.81 04:13:01 0 0.48 0.00 0.02 0.00 0.00 99.50 04:13:01 1 0.02 0.00 0.02 0.00 0.00 99.97 04:13:01 2 0.08 0.00 0.03 0.00 0.00 99.88 04:13:01 3 0.03 0.00 0.07 0.00 0.00 99.90 04:14:01 all 6.01 0.00 3.80 0.88 0.01 89.30 04:14:01 0 6.19 0.00 3.65 0.72 0.02 89.42 04:14:01 1 5.74 0.00 3.98 0.52 0.02 89.75 04:14:01 2 6.02 0.00 4.09 0.69 0.02 89.18 04:14:01 3 6.07 0.00 3.50 1.56 0.02 88.86 04:15:01 all 14.13 0.00 9.07 4.44 0.02 72.34 04:15:01 0 12.62 0.00 8.89 4.41 0.03 74.04 04:15:01 1 14.09 0.00 9.33 4.09 0.02 72.47 04:15:01 2 15.51 0.00 8.94 5.23 0.02 70.30 04:15:01 3 14.29 0.00 9.12 4.02 0.02 72.56 Average: all 4.82 0.00 2.69 1.25 0.01 91.24 Average: 0 4.61 0.00 2.69 0.98 0.01 91.71 Average: 1 5.07 0.00 2.77 1.03 0.01 91.11 Average: 2 5.02 0.00 2.73 1.94 0.01 90.29 Average: 3 4.56 0.00 2.58 1.02 0.01 91.84