---> uname -a: Linux 9445b68cf367 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: 2933.438 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 7.9G 42.1G 16% / 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 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 686 125 0 1025 1051 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 8: eth0@if9: 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) 08/04/20 _x86_64_ (4 CPU) 23:01:18 LINUX RESTART 23:02:01 tps rtps wtps bread/s bwrtn/s 23:03:01 29.45 10.80 18.64 4467.45 3212.54 23:04:01 0.43 0.00 0.43 0.00 9.39 23:05:01 0.42 0.00 0.42 0.00 6.53 23:06:01 0.25 0.00 0.25 0.00 2.43 23:07:02 0.25 0.00 0.25 0.00 3.40 23:08:01 131.44 77.52 53.92 2563.74 26144.98 Average: 26.76 14.55 12.21 1168.32 4838.77 23:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:03:01 196260 1685296 89.57 2620 1100412 1106640 37.77 463132 1063264 16 23:04:01 199952 1681604 89.37 2620 1100416 1073124 36.62 463372 1059752 16 23:05:01 200124 1681432 89.36 2620 1100424 1073136 36.62 463460 1059756 8 23:06:01 199704 1681852 89.39 2620 1100424 1072944 36.62 464464 1059648 8 23:07:02 198240 1683316 89.46 2620 1100428 1073160 36.63 478236 1047188 20 23:08:01 160176 1721380 91.49 2620 1066748 1287996 43.96 470508 1054904 34028 Average: 192409 1689147 89.77 2620 1094809 1114500 38.04 467195 1057419 5683 23:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:03:01 eth0 276.19 215.38 662.21 349.26 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 115.22 116.46 9.45 304.65 0.00 0.00 0.00 23:04:01 eth0 3.10 1.83 0.48 2.66 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 eth0 0.72 0.40 0.28 0.21 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 1.18 0.08 0.11 0.01 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:02 eth0 1.97 0.63 0.70 0.43 0.00 0.00 0.00 23:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 119.21 83.95 3822.99 9.48 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 66.93 50.30 739.45 60.50 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.26 19.47 1.58 50.93 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) 08/04/20 _x86_64_ (4 CPU) 23:01:18 LINUX RESTART 23:02:01 CPU %user %nice %system %iowait %steal %idle 23:03:01 all 4.54 0.00 1.87 0.69 0.01 92.89 23:03:01 0 5.39 0.00 1.94 0.47 0.00 92.21 23:03:01 1 3.38 0.00 1.72 0.13 0.02 94.75 23:03:01 2 4.81 0.00 1.40 0.20 0.02 93.56 23:03:01 3 4.57 0.00 2.43 1.99 0.03 90.98 23:04:01 all 0.11 0.00 0.06 0.00 0.00 99.83 23:04:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:04:01 1 0.27 0.00 0.05 0.00 0.00 99.68 23:04:01 2 0.07 0.00 0.07 0.00 0.00 99.87 23:04:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:05:01 all 0.09 0.00 0.04 0.00 0.00 99.87 23:05:01 0 0.02 0.00 0.02 0.00 0.02 99.95 23:05:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:05:01 2 0.23 0.00 0.07 0.00 0.00 99.70 23:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:06:01 all 0.04 0.00 0.04 0.00 0.00 99.92 23:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:06:01 1 0.08 0.00 0.07 0.00 0.00 99.85 23:06:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:06:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:07:02 all 0.15 0.00 0.06 0.00 0.00 99.79 23:07:02 0 0.03 0.00 0.15 0.00 0.00 99.82 23:07:02 1 0.48 0.00 0.03 0.00 0.00 99.48 23:07:02 2 0.05 0.00 0.02 0.00 0.00 99.93 23:07:02 3 0.05 0.00 0.03 0.00 0.00 99.92 23:08:01 all 5.27 0.00 3.03 0.91 0.01 90.78 23:08:01 0 5.04 0.00 2.83 2.20 0.00 89.94 23:08:01 1 5.76 0.00 2.97 0.75 0.02 90.51 23:08:01 2 4.81 0.00 3.20 0.32 0.00 91.67 23:08:01 3 5.43 0.00 3.12 0.38 0.00 91.08 Average: all 1.69 0.00 0.84 0.27 0.00 97.20 Average: 0 1.74 0.00 0.83 0.44 0.00 96.99 Average: 1 1.66 0.00 0.80 0.15 0.01 97.38 Average: 2 1.65 0.00 0.79 0.09 0.00 97.47 Average: 3 1.68 0.00 0.94 0.39 0.01 96.97