---> uname -a: Linux fb9155e586cb 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 699 126 0 1011 1038 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 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) 08/19/20 _x86_64_ (4 CPU) 17:41:17 LINUX RESTART 17:42:01 tps rtps wtps bread/s bwrtn/s 17:43:01 49.64 12.55 37.09 4626.34 4058.85 17:44:01 1.48 0.00 1.48 0.00 24.10 17:45:01 0.25 0.00 0.25 0.00 2.58 17:46:01 0.28 0.00 0.28 0.00 3.35 17:47:01 0.27 0.00 0.27 0.00 4.58 17:48:01 0.30 0.00 0.30 0.00 3.56 17:49:01 339.93 207.79 132.14 11604.79 42958.19 Average: 56.05 31.49 24.55 2319.67 6725.11 17:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:43:01 228808 1652748 87.84 2620 1054968 1106272 37.76 442276 1050632 24 17:44:01 234360 1647196 87.54 2620 1054972 1072944 36.62 442012 1046356 8 17:45:01 234628 1646928 87.53 2620 1054980 1072944 36.62 443108 1045264 8 17:46:01 232312 1649244 87.65 2620 1054980 1073136 36.62 446096 1044672 12 17:47:01 232012 1649544 87.67 2620 1054984 1073248 36.63 456524 1034864 8 17:48:01 232448 1649108 87.65 2620 1054992 1073068 36.62 455332 1034848 12 17:49:01 77884 1803672 95.86 2596 1089600 1506768 51.42 640572 965136 75368 Average: 210350 1671206 88.82 2617 1059925 1139769 38.90 475131 1031682 10777 17:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:43:01 eth0 406.11 318.05 987.77 374.09 0.00 0.00 0.00 17:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:43:01 docker0 109.44 92.83 9.08 302.31 0.00 0.00 0.00 17:44:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 17:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 eth0 0.60 0.08 0.06 0.01 0.00 0.00 0.00 17:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 eth0 1.93 0.65 0.43 1.18 0.00 0.00 0.00 17:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 eth0 0.97 0.65 0.60 0.62 0.00 0.00 0.00 17:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 eth0 0.15 0.10 0.07 0.01 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 eth0 278.05 195.97 6507.37 27.29 0.00 0.00 0.00 17:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 docker0 41.91 41.61 3.86 409.39 0.00 0.00 0.00 Average: eth0 98.29 73.67 1071.36 57.62 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 21.63 19.21 1.85 101.71 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) 08/19/20 _x86_64_ (4 CPU) 17:41:17 LINUX RESTART 17:42:01 CPU %user %nice %system %iowait %steal %idle 17:43:01 all 5.41 0.00 2.49 1.57 0.02 90.51 17:43:01 0 6.63 0.00 3.01 3.56 0.02 86.79 17:43:01 1 3.99 0.00 2.24 1.78 0.02 91.98 17:43:01 2 4.95 0.00 2.11 0.12 0.03 92.79 17:43:01 3 6.07 0.00 2.60 0.86 0.00 90.47 17:44:01 all 0.03 0.00 0.04 0.00 0.00 99.92 17:44:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:44:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:44:01 2 0.05 0.00 0.08 0.00 0.00 99.87 17:44:01 3 0.02 0.00 0.03 0.00 0.02 99.93 17:45:01 all 0.04 0.00 0.03 0.00 0.00 99.93 17:45:01 0 0.03 0.00 0.03 0.00 0.02 99.92 17:45:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:46:01 all 0.08 0.00 0.05 0.00 0.00 99.87 17:46:01 0 0.05 0.00 0.02 0.00 0.00 99.93 17:46:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:46:01 2 0.25 0.00 0.08 0.00 0.02 99.65 17:46:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:47:01 all 0.19 0.00 0.05 0.00 0.00 99.77 17:47:01 0 0.07 0.00 0.03 0.00 0.00 99.90 17:47:01 1 0.08 0.00 0.12 0.00 0.02 99.78 17:47:01 2 0.53 0.00 0.03 0.00 0.00 99.43 17:47:01 3 0.05 0.00 0.02 0.00 0.00 99.93 17:48:01 all 0.15 0.00 0.07 0.00 0.00 99.77 17:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:48:01 1 0.02 0.00 0.18 0.00 0.00 99.80 17:48:01 2 0.53 0.00 0.05 0.00 0.00 99.42 17:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:49:01 all 11.00 0.00 6.75 3.47 0.03 78.76 17:49:01 0 10.18 0.00 7.09 2.46 0.03 80.23 17:49:01 1 12.64 0.00 6.81 4.58 0.02 75.96 17:49:01 2 11.10 0.00 6.33 2.99 0.03 79.55 17:49:01 3 10.09 0.00 6.74 3.83 0.02 79.32 Average: all 2.40 0.00 1.34 0.71 0.01 95.54 Average: 0 2.41 0.00 1.45 0.85 0.01 95.28 Average: 1 2.38 0.00 1.34 0.90 0.01 95.37 Average: 2 2.48 0.00 1.23 0.44 0.01 95.84 Average: 3 2.31 0.00 1.34 0.66 0.00 95.69