---> uname -a: Linux c63c89a297e8 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 8.2G 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% /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 /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 774 116 0 946 990 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 12: eth0@if13: 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) 09/03/20 _x86_64_ (4 CPU) 18:43:10 LINUX RESTART (4 CPU) 18:44:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:45:01 35.38 10.92 24.45 0.00 4456.80 3419.34 0.00 18:46:01 1.58 0.00 1.58 0.00 0.00 27.95 0.00 18:47:01 0.18 0.00 0.18 0.00 0.00 2.30 0.00 18:48:01 0.32 0.00 0.32 0.00 0.00 3.83 0.00 18:49:01 196.67 124.79 71.88 0.00 5472.79 30565.38 0.00 18:50:02 328.13 136.94 191.18 0.00 9313.49 39084.99 0.00 Average: 94.34 45.69 48.65 0.00 3223.72 12256.15 0.00 18:44:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:45:01 177780 0 595356 31.64 2620 1105800 1127988 38.50 445380 1098748 20 18:46:01 185176 0 587956 31.25 2620 1105804 1070876 36.55 443032 1094912 12 18:47:01 182432 0 590696 31.39 2620 1105808 1071160 36.56 447624 1093612 16 18:48:01 180016 0 593108 31.52 2620 1105812 1071284 36.56 452316 1091252 8 18:49:01 138788 0 699596 37.18 2620 1040552 1271408 43.39 522320 1026284 56 18:50:02 122660 0 780380 41.48 1492 977024 1280956 43.72 590156 860972 20864 Average: 164475 0 641182 34.08 2432 1073467 1148945 39.21 483471 1044297 3496 18:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:45:01 eth0 236.09 198.22 656.58 350.89 0.00 0.00 0.00 0.00 18:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 docker0 97.35 72.42 8.46 300.87 0.00 0.00 0.00 0.00 18:46:01 eth0 0.78 0.08 0.06 0.01 0.00 0.00 0.00 0.00 18:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 eth0 1.30 0.88 0.35 2.15 0.00 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 0.55 0.32 0.28 0.20 0.00 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 vethbdf827d 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 18:49:01 eth0 131.70 85.48 3767.96 12.08 0.00 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:02 eth0 408.28 278.05 4607.24 95.77 0.00 0.00 0.00 0.00 18:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:02 docker0 42.08 42.14 3.94 404.80 0.00 0.00 0.00 0.00 Average: eth0 130.54 94.34 1513.75 76.92 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 23.29 19.16 2.07 118.39 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) 09/03/20 _x86_64_ (4 CPU) 18:43:10 LINUX RESTART (4 CPU) 18:44:01 CPU %user %nice %system %iowait %steal %idle 18:45:01 all 4.08 0.00 1.91 1.02 0.04 92.95 18:45:01 0 3.72 0.00 2.24 0.07 0.05 93.93 18:45:01 1 4.40 0.00 1.78 2.20 0.03 91.59 18:45:01 2 4.75 0.00 2.10 0.62 0.03 92.50 18:45:01 3 3.44 0.00 1.53 1.19 0.05 93.79 18:46:01 all 0.03 0.00 0.04 0.00 0.00 99.92 18:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:46:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:46:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:46:01 3 0.07 0.00 0.07 0.00 0.02 99.85 18:47:01 all 0.09 0.00 0.04 0.00 0.00 99.87 18:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:47:01 1 0.08 0.00 0.02 0.00 0.02 99.88 18:47:01 2 0.20 0.00 0.05 0.00 0.00 99.75 18:47:01 3 0.03 0.00 0.05 0.00 0.00 99.92 18:48:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:48:01 0 0.00 0.00 0.03 0.00 0.00 99.97 18:48:01 1 0.08 0.00 0.05 0.00 0.00 99.87 18:48:01 2 0.53 0.00 0.03 0.00 0.00 99.43 18:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:49:01 all 6.56 0.00 3.80 1.36 0.10 88.19 18:49:01 0 6.71 0.00 3.56 0.79 0.10 88.83 18:49:01 1 6.58 0.00 4.25 1.65 0.10 87.41 18:49:01 2 7.23 0.00 3.90 1.30 0.12 87.45 18:49:01 3 5.70 0.00 3.48 1.70 0.07 89.05 18:50:02 all 13.74 0.00 8.81 4.91 0.18 72.35 18:50:02 0 12.95 0.00 8.69 4.20 0.17 73.98 18:50:02 1 14.55 0.00 9.30 4.88 0.22 71.05 18:50:02 2 13.61 0.00 9.07 3.09 0.13 74.09 18:50:02 3 13.86 0.00 8.19 7.49 0.19 70.28 Average: all 4.08 0.00 2.42 1.21 0.05 92.23 Average: 0 3.88 0.00 2.42 0.84 0.05 92.81 Average: 1 4.26 0.00 2.56 1.45 0.06 91.67 Average: 2 4.37 0.00 2.51 0.83 0.05 92.24 Average: 3 3.82 0.00 2.20 1.72 0.05 92.21