---> uname -a: Linux 04e618841942 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 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 769 119 0 948 1002 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) 09/16/20 _x86_64_ (4 CPU) 18:51:57 LINUX RESTART (4 CPU) 18:53:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:54:01 10.72 3.80 6.93 0.00 727.42 1320.24 0.00 18:55:01 0.37 0.00 0.37 0.00 0.00 5.65 0.00 18:56:01 0.28 0.00 0.28 0.00 0.00 3.15 0.00 18:57:01 0.33 0.00 0.33 0.00 0.00 3.90 0.00 18:58:01 193.82 108.11 85.72 0.00 5992.48 30857.97 0.00 18:59:01 254.55 95.19 159.36 0.00 5519.45 37986.50 0.00 Average: 76.70 34.53 42.18 0.00 2040.48 11699.96 0.00 18:53:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:54:01 211016 0 583440 31.01 2620 1084480 1109588 37.87 434100 1077300 20 18:55:01 215872 0 578580 30.75 2620 1084484 1077072 36.76 433720 1073860 12 18:56:01 215508 0 578876 30.77 2620 1084552 1077264 36.77 434868 1073628 16 18:57:01 212792 0 581648 30.91 2620 1084496 1077300 36.77 440036 1070876 8 18:58:01 77324 0 716924 38.10 2620 1084688 1427300 48.71 551280 1045988 16580 18:59:01 253444 0 716796 38.10 1520 909796 1101956 37.61 594972 750808 16 Average: 197659 0 626044 33.27 2437 1055416 1145080 39.08 481496 1015410 2775 18:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:54:01 eth0 227.38 195.32 344.60 348.11 0.00 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 docker0 111.45 93.87 9.46 303.53 0.00 0.00 0.00 0.00 18:55:01 eth0 0.80 0.10 0.07 0.03 0.00 0.00 0.00 0.00 18:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 eth0 0.97 0.48 0.32 0.21 0.00 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 eth0 0.53 0.45 0.31 0.21 0.00 0.00 0.00 0.00 18:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 eth0 442.33 389.08 3873.11 34.38 0.00 0.00 0.00 0.00 18:58:01 veth9741321 27.70 27.68 3.00 85.06 0.00 0.00 0.00 0.00 18:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 docker0 27.70 27.57 2.62 85.05 0.00 0.00 0.00 0.00 18:59:01 eth0 703.88 574.85 4084.78 110.16 0.00 0.00 0.00 0.00 18:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 docker0 51.21 57.85 3.11 522.71 0.00 0.00 0.00 0.00 Average: eth0 229.39 193.44 1384.28 82.20 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 31.73 29.89 2.53 151.93 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) 09/16/20 _x86_64_ (4 CPU) 18:51:57 LINUX RESTART (4 CPU) 18:53:01 CPU %user %nice %system %iowait %steal %idle 18:54:01 all 3.30 0.00 1.04 0.07 0.02 95.57 18:54:01 0 2.18 0.00 1.22 0.03 0.02 96.55 18:54:01 1 2.02 0.00 1.12 0.13 0.02 96.70 18:54:01 2 5.74 0.00 0.97 0.03 0.03 93.21 18:54:01 3 3.26 0.00 0.84 0.08 0.02 95.80 18:55:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:55:01 0 0.45 0.00 0.05 0.00 0.00 99.50 18:55:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:55:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:55:01 3 0.05 0.00 0.00 0.00 0.00 99.95 18:56:01 all 0.16 0.00 0.04 0.00 0.00 99.80 18:56:01 0 0.48 0.00 0.03 0.00 0.00 99.48 18:56:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:56:01 2 0.05 0.00 0.02 0.00 0.00 99.93 18:56:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:57:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:57:01 0 0.45 0.00 0.02 0.00 0.00 99.53 18:57:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:57:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:57:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:58:01 all 7.16 0.00 4.47 1.94 0.04 86.39 18:58:01 0 6.75 0.00 4.97 2.25 0.05 85.98 18:58:01 1 7.28 0.00 4.49 1.76 0.03 86.44 18:58:01 2 6.93 0.00 4.43 2.67 0.03 85.93 18:58:01 3 7.67 0.00 4.00 1.08 0.03 87.21 18:59:01 all 12.72 0.00 8.54 3.40 0.05 75.29 18:59:01 0 11.72 0.00 9.58 2.16 0.05 76.48 18:59:01 1 12.87 0.00 8.41 4.66 0.03 74.02 18:59:01 2 12.51 0.00 7.84 2.53 0.05 77.07 18:59:01 3 13.76 0.00 8.35 4.24 0.05 73.60 Average: all 3.89 0.00 2.33 0.89 0.02 92.87 Average: 0 3.63 0.00 2.61 0.73 0.02 93.01 Average: 1 3.68 0.00 2.33 1.08 0.01 92.90 Average: 2 4.17 0.00 2.19 0.86 0.02 92.75 Average: 3 4.09 0.00 2.18 0.89 0.02 92.83