---> uname -a: Linux 13cbf28a1720 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: 2933.442 BogoMIPS: 5866.88 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 782 129 0 925 990 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) 09/15/20 _x86_64_ (4 CPU) 22:14:52 LINUX RESTART (4 CPU) 22:16:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:17:01 12.17 4.60 7.58 0.00 1109.56 1333.23 0.00 22:18:01 0.35 0.00 0.35 0.00 0.00 5.76 0.00 22:19:01 0.37 0.00 0.37 0.00 0.00 5.20 0.00 22:20:01 0.17 0.00 0.17 0.00 0.00 2.28 0.00 22:21:01 320.56 150.88 169.68 0.00 8045.91 55236.13 0.00 Average: 66.78 31.12 35.66 0.00 1832.64 11327.18 0.00 22:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:17:01 210924 0 595272 31.64 2620 1072740 1109564 37.87 435672 1076144 16 22:18:01 212516 0 593612 31.55 2620 1072808 1106084 37.75 436724 1074152 12 22:19:01 212908 0 593208 31.53 2620 1072820 1104196 37.68 437088 1074032 20 22:20:01 210268 0 595848 31.67 2620 1072820 1104244 37.69 439388 1073968 16 22:21:01 69596 0 738824 39.27 2144 1070992 1549916 52.90 653544 937460 95296 Average: 183242 0 623353 33.13 2525 1072436 1194801 40.78 480483 1047151 19072 22:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:17:01 eth0 221.35 184.73 351.46 347.57 0.00 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 97.10 77.22 8.16 303.08 0.00 0.00 0.00 0.00 22:18:01 eth0 3.91 0.88 1.05 0.56 0.00 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 eth0 4.03 1.17 1.27 0.79 0.00 0.00 0.00 0.00 22:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 eth0 2.65 0.97 0.91 0.60 0.00 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 eth0 1098.52 892.43 7734.10 110.34 0.00 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 docker0 56.39 59.71 4.71 412.09 0.00 0.00 0.00 0.00 Average: eth0 266.30 216.21 1619.25 91.99 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 30.71 27.40 2.58 143.11 0.00 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) 09/15/20 _x86_64_ (4 CPU) 22:14:52 LINUX RESTART (4 CPU) 22:16:01 CPU %user %nice %system %iowait %steal %idle 22:17:01 all 3.18 0.00 1.18 0.09 0.00 95.55 22:17:01 0 4.93 0.00 1.27 0.22 0.00 93.58 22:17:01 1 3.51 0.00 1.30 0.03 0.02 95.14 22:17:01 2 1.94 0.00 1.20 0.05 0.00 96.81 22:17:01 3 2.33 0.00 0.94 0.05 0.00 96.69 22:18:01 all 0.14 0.00 0.03 0.00 0.00 99.82 22:18:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:18:01 1 0.45 0.00 0.05 0.00 0.00 99.50 22:18:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:18:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:19:01 all 0.20 0.00 0.05 0.00 0.00 99.75 22:19:01 0 0.10 0.00 0.07 0.00 0.00 99.83 22:19:01 1 0.60 0.00 0.03 0.00 0.00 99.37 22:19:01 2 0.03 0.00 0.05 0.00 0.02 99.90 22:19:01 3 0.07 0.00 0.03 0.00 0.00 99.90 22:20:01 all 0.13 0.00 0.04 0.00 0.00 99.83 22:20:01 0 0.37 0.00 0.07 0.00 0.00 99.57 22:20:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:20:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:20:01 3 0.05 0.00 0.02 0.00 0.00 99.93 22:21:01 all 15.08 0.00 9.50 4.43 0.03 70.96 22:21:01 0 14.82 0.00 10.60 4.60 0.02 69.96 22:21:01 1 15.92 0.00 9.48 2.40 0.03 72.17 22:21:01 2 15.10 0.00 8.70 3.27 0.02 72.91 22:21:01 3 14.48 0.00 9.24 7.48 0.05 68.76 Average: all 3.70 0.00 2.13 0.89 0.01 93.28 Average: 0 3.99 0.00 2.36 0.94 0.00 92.70 Average: 1 4.06 0.00 2.16 0.48 0.01 93.30 Average: 2 3.39 0.00 1.98 0.66 0.01 93.96 Average: 3 3.34 0.00 2.02 1.48 0.01 93.16