---> uname -a: Linux c7250d2c620a 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 697 126 0 1012 1039 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) 08/13/20 _x86_64_ (4 CPU) 17:08:51 LINUX RESTART 17:10:01 tps rtps wtps bread/s bwrtn/s 17:11:01 8.89 2.20 6.69 179.29 1314.85 17:12:01 0.72 0.00 0.72 0.00 10.31 17:13:01 0.38 0.00 0.38 0.00 6.51 17:14:01 0.15 0.00 0.15 0.00 1.60 17:15:02 391.85 220.77 171.08 13315.76 55722.17 Average: 80.44 44.62 35.82 2700.52 11417.41 17:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:11:01 219812 1661744 88.32 2620 1061248 1126636 38.45 456680 1047620 20 17:12:01 226116 1655440 87.98 2620 1061252 1080732 36.88 456440 1042456 8 17:13:01 224556 1657000 88.07 2620 1061260 1081008 36.89 457932 1042456 20 17:14:01 223896 1657660 88.10 2620 1061260 1080744 36.88 464812 1036236 12 17:15:02 151400 1730156 91.95 1828 1027864 1403492 47.90 604972 907376 32 Average: 209156 1672400 88.88 2462 1054577 1154522 39.40 488167 1015229 18 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:11:01 eth0 123.66 71.33 31.13 317.84 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 17:12:01 eth0 0.58 0.08 0.06 0.01 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 eth0 1.37 0.82 0.62 0.48 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:02 veth0386c02 0.00 0.03 0.00 0.00 0.00 0.00 0.00 17:15:02 eth0 1012.86 707.82 8218.92 449.70 0.00 0.00 0.00 17:15:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:15:02 docker0 126.34 110.23 11.66 710.33 0.00 0.00 0.00 Average: veth0386c02 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 202.69 141.64 1644.72 89.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.02 9.06 0.82 82.11 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) 08/13/20 _x86_64_ (4 CPU) 17:08:51 LINUX RESTART 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:11:01 all 1.96 0.00 0.50 0.07 0.00 97.46 17:11:01 0 1.35 0.00 0.65 0.15 0.00 97.85 17:11:01 1 1.58 0.00 0.52 0.07 0.02 97.82 17:11:01 2 3.08 0.00 0.40 0.05 0.00 96.46 17:11:01 3 1.84 0.00 0.45 0.02 0.00 97.70 17:12:01 all 0.04 0.00 0.04 0.00 0.00 99.92 17:12:01 0 0.03 0.00 0.07 0.00 0.00 99.90 17:12:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:12:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:12:01 3 0.02 0.00 0.02 0.00 0.02 99.95 17:13:01 all 0.10 0.00 0.05 0.00 0.00 99.85 17:13:01 0 0.08 0.00 0.05 0.00 0.02 99.85 17:13:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:13:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:13:01 3 0.18 0.00 0.05 0.00 0.00 99.77 17:14:01 all 0.02 0.00 0.04 0.00 0.00 99.94 17:14:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:14:01 1 0.02 0.00 0.05 0.00 0.00 99.93 17:14:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:15:02 all 13.40 0.00 8.51 4.18 0.04 73.87 17:15:02 0 14.30 0.00 8.18 5.42 0.02 72.09 17:15:02 1 13.88 0.00 8.49 3.36 0.03 74.24 17:15:02 2 12.93 0.00 8.77 4.31 0.05 73.94 17:15:02 3 12.51 0.00 8.61 3.62 0.03 75.23 Average: all 3.07 0.00 1.80 0.84 0.01 94.28 Average: 0 3.13 0.00 1.78 1.10 0.01 93.98 Average: 1 3.08 0.00 1.80 0.68 0.01 94.43 Average: 2 3.19 0.00 1.84 0.86 0.01 94.10 Average: 3 2.87 0.00 1.80 0.72 0.01 94.60