---> uname -a: Linux d80be1e60e1a 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 707 121 0 1008 1030 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) 08/14/20 _x86_64_ (4 CPU) 18:23:39 LINUX RESTART 18:24:01 tps rtps wtps bread/s bwrtn/s 18:25:01 174.97 84.94 90.03 10491.51 41958.69 18:26:01 3.13 0.00 3.13 0.00 102.01 18:27:01 0.38 0.00 0.38 0.00 4.80 18:28:01 0.28 0.00 0.28 0.00 3.86 18:29:01 0.18 0.00 0.18 0.00 3.10 18:30:01 0.37 0.00 0.37 0.00 5.23 18:31:01 321.48 208.24 113.24 11321.13 37370.50 Average: 71.58 41.90 29.67 3117.59 11355.02 18:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:25:01 194012 1687544 89.69 2620 1087220 1106084 37.75 445424 1082068 120 18:26:01 192196 1689360 89.79 2620 1087224 1092420 37.28 450588 1079220 16 18:27:01 192204 1689352 89.78 2620 1087232 1080084 36.86 452060 1078220 8 18:28:01 190796 1690760 89.86 2620 1087232 1080300 36.87 453288 1078220 8 18:29:01 189220 1692336 89.94 2620 1087240 1080900 36.89 459412 1073436 20 18:30:01 189692 1691864 89.92 2620 1087244 1080828 36.89 462884 1069748 12 18:31:01 87264 1794292 95.36 2596 1111576 1288872 43.99 586556 1011224 33740 Average: 176483 1705073 90.62 2617 1090710 1115641 38.07 472887 1067448 4846 18:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:25:01 eth0 747.49 487.85 1660.94 407.97 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 106.13 87.42 8.76 302.07 0.00 0.00 0.00 18:26:01 eth0 2.86 1.42 2.97 0.09 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 eth0 0.25 0.08 0.01 0.01 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 eth0 1.58 0.32 0.37 0.17 0.00 0.00 0.00 18:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 eth0 2.35 2.23 0.39 9.10 0.00 0.00 0.00 18:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 18:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 eth0 267.37 189.55 6461.59 25.38 0.00 0.00 0.00 18:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 docker0 39.63 39.55 3.71 409.29 0.00 0.00 0.00 Average: eth0 146.08 97.41 1161.57 63.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.83 18.15 1.78 101.67 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) 08/14/20 _x86_64_ (4 CPU) 18:23:39 LINUX RESTART 18:24:01 CPU %user %nice %system %iowait %steal %idle 18:25:01 all 18.25 0.00 9.49 7.32 0.04 64.90 18:25:01 0 19.50 0.00 9.90 7.33 0.05 63.22 18:25:01 1 17.97 0.00 8.54 5.64 0.05 67.81 18:25:01 2 15.74 0.00 11.80 7.53 0.03 64.90 18:25:01 3 19.79 0.00 7.73 8.76 0.03 63.68 18:26:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:26:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:26:01 1 0.08 0.00 0.07 0.00 0.02 99.83 18:26:01 2 0.55 0.00 0.05 0.00 0.00 99.40 18:26:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:27:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:27:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:27:01 2 0.55 0.00 0.03 0.00 0.02 99.40 18:27:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:28:01 all 0.16 0.00 0.03 0.00 0.00 99.80 18:28:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:28:01 1 0.27 0.00 0.05 0.00 0.00 99.68 18:28:01 2 0.32 0.00 0.03 0.00 0.00 99.65 18:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:29:01 all 0.18 0.00 0.06 0.00 0.00 99.76 18:29:01 0 0.20 0.00 0.05 0.00 0.00 99.75 18:29:01 1 0.10 0.00 0.08 0.00 0.00 99.82 18:29:01 2 0.27 0.00 0.07 0.00 0.00 99.67 18:29:01 3 0.13 0.00 0.03 0.00 0.00 99.83 18:30:01 all 0.15 0.00 0.05 0.00 0.00 99.80 18:30:01 0 0.02 0.00 0.02 0.00 0.02 99.95 18:30:01 1 0.05 0.00 0.15 0.00 0.00 99.80 18:30:01 2 0.53 0.00 0.03 0.00 0.00 99.43 18:30:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:31:01 all 9.85 0.00 6.18 3.93 0.03 80.01 18:31:01 0 9.63 0.00 6.89 2.49 0.02 80.98 18:31:01 1 10.01 0.00 5.65 3.71 0.02 80.60 18:31:01 2 9.84 0.00 6.13 5.71 0.03 78.29 18:31:01 3 9.91 0.00 6.06 3.83 0.03 80.16 Average: all 4.09 0.00 2.25 1.59 0.01 92.06 Average: 0 4.16 0.00 2.40 1.39 0.01 92.04 Average: 1 4.04 0.00 2.06 1.32 0.01 92.56 Average: 2 3.93 0.00 2.56 1.87 0.01 91.62 Average: 3 4.23 0.00 1.97 1.78 0.01 92.01