---> uname -a: Linux c7d3380711b6 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 786 104 0 946 981 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) 16:00:06 LINUX RESTART 16:01:01 tps rtps wtps bread/s bwrtn/s 16:02:01 27.32 10.80 16.51 4497.15 3266.82 16:03:01 1.62 0.00 1.62 0.00 28.75 16:04:01 0.18 0.00 0.18 0.00 2.03 16:05:01 0.37 0.00 0.37 0.00 5.93 16:06:01 395.96 204.71 191.25 8770.72 61295.84 Average: 85.16 43.14 42.02 2655.27 12930.62 16:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:02:01 209512 1672044 88.86 2620 1077952 1108880 37.84 442796 1069004 20 16:03:01 213200 1668356 88.67 2620 1077960 1073556 36.64 442772 1066216 8 16:04:01 210028 1671528 88.84 2620 1077964 1073760 36.65 447772 1064296 8 16:05:01 208328 1673228 88.93 2620 1077964 1073896 36.65 450008 1063676 8 16:06:01 173300 1708256 90.79 1540 977896 1156148 39.46 530004 896704 51992 Average: 202874 1678682 89.22 2404 1057947 1097248 37.45 462670 1031979 10407 16:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:02:01 eth0 252.52 200.97 655.45 344.78 0.00 0.00 0.00 16:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:02:01 docker0 100.58 99.68 8.47 302.92 0.00 0.00 0.00 16:03:01 eth0 0.63 0.08 0.06 0.01 0.00 0.00 0.00 16:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 eth0 1.38 0.42 0.36 0.20 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 eth0 0.80 0.48 0.52 0.39 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 506.12 293.48 7589.63 70.50 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 38.30 37.43 3.64 306.19 0.00 0.00 0.00 Average: eth0 152.39 99.14 1650.55 83.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 27.79 27.43 2.42 121.89 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) 16:00:06 LINUX RESTART 16:01:01 CPU %user %nice %system %iowait %steal %idle 16:02:01 all 4.05 0.00 1.89 0.50 0.05 93.51 16:02:01 0 3.91 0.00 2.46 1.52 0.03 92.07 16:02:01 1 3.08 0.00 1.76 0.08 0.05 95.03 16:02:01 2 3.75 0.00 1.61 0.37 0.07 94.21 16:02:01 3 5.48 0.00 1.71 0.05 0.05 92.71 16:03:01 all 0.14 0.00 0.05 0.00 0.01 99.81 16:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:03:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:03:01 2 0.47 0.00 0.07 0.00 0.00 99.47 16:03:01 3 0.03 0.00 0.07 0.00 0.02 99.88 16:04:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:04:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:04:01 1 0.02 0.00 0.02 0.00 0.00 99.97 16:04:01 2 0.47 0.00 0.03 0.00 0.02 99.48 16:04:01 3 0.07 0.00 0.03 0.00 0.02 99.88 16:05:01 all 0.12 0.00 0.04 0.00 0.00 99.85 16:05:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:05:01 1 0.03 0.00 0.03 0.00 0.02 99.92 16:05:01 2 0.37 0.00 0.05 0.00 0.00 99.58 16:05:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:06:01 all 16.81 0.00 9.75 4.30 0.18 68.97 16:06:01 0 16.15 0.00 9.63 5.02 0.26 68.94 16:06:01 1 18.27 0.00 9.61 3.11 0.14 68.87 16:06:01 2 15.88 0.00 9.86 3.86 0.17 70.24 16:06:01 3 16.91 0.00 9.93 5.18 0.14 67.84 Average: all 4.19 0.00 2.31 0.94 0.05 92.51 Average: 0 3.97 0.00 2.40 1.29 0.06 92.29 Average: 1 4.22 0.00 2.25 0.63 0.04 92.86 Average: 2 4.12 0.00 2.28 0.83 0.05 92.72 Average: 3 4.44 0.00 2.31 1.02 0.04 92.18