---> uname -a: Linux be0e66248ac5 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa-host /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 ---> free -m: total used free shared buff/cache available Mem: 1837 786 121 0 929 978 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) 20:25:02 LINUX RESTART (4 CPU) 20:26:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:27:01 22.76 5.11 17.65 0.00 1204.86 3288.01 0.00 20:28:01 1.57 0.00 1.57 0.00 0.00 27.08 0.00 20:29:01 0.23 0.00 0.23 0.00 0.00 2.78 0.00 20:30:01 0.42 0.00 0.42 0.00 0.00 6.25 0.00 20:31:01 255.66 164.51 91.15 0.00 7182.29 31871.55 0.00 Average: 56.15 33.94 22.21 0.00 1678.12 7042.07 0.00 20:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:27:01 184124 0 590176 31.37 2620 1104636 1120164 38.23 444572 1093736 20 20:28:01 188376 0 585920 31.14 2620 1104640 1072444 36.60 445128 1089584 8 20:29:01 185776 0 588512 31.28 2620 1104648 1072612 36.61 448408 1089588 8 20:30:01 181808 0 592480 31.49 2620 1104648 1072672 36.61 453764 1087640 12 20:31:01 171160 0 676484 35.95 2596 1031316 1181876 40.34 558772 928772 95948 Average: 182249 0 606714 32.25 2615 1089978 1103954 37.68 470129 1057864 19199 20:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:27:01 eth0 199.20 163.48 345.46 337.18 0.00 0.00 0.00 0.00 20:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:27:01 docker0 79.72 63.21 7.29 300.09 0.00 0.00 0.00 0.00 20:28:01 eth0 0.78 0.08 0.06 0.01 0.00 0.00 0.00 0.00 20:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 eth0 1.00 0.50 0.36 0.21 0.00 0.00 0.00 0.00 20:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 eth0 2.43 0.80 0.73 0.41 0.00 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 vetha0c41a8 43.91 44.39 4.65 410.84 0.00 0.00 0.00 0.00 20:31:01 eth0 185.89 136.85 4181.33 28.43 0.00 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 43.91 44.27 4.05 410.83 0.00 0.00 0.00 0.00 Average: vetha0c41a8 8.79 8.88 0.93 82.20 0.00 0.00 0.00 0.00 Average: eth0 77.89 60.36 905.97 73.27 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 24.73 21.50 2.27 142.23 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) 20:25:02 LINUX RESTART (4 CPU) 20:26:01 CPU %user %nice %system %iowait %steal %idle 20:27:01 all 3.43 0.00 1.22 0.57 0.00 94.78 20:27:01 0 1.91 0.00 1.09 1.11 0.00 95.90 20:27:01 1 3.49 0.00 1.40 0.05 0.00 95.05 20:27:01 2 5.40 0.00 1.23 0.82 0.00 92.55 20:27:01 3 2.91 0.00 1.14 0.32 0.02 95.62 20:28:01 all 0.15 0.00 0.05 0.00 0.00 99.80 20:28:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:28:01 1 0.03 0.00 0.05 0.00 0.02 99.90 20:28:01 2 0.02 0.00 0.07 0.00 0.00 99.92 20:28:01 3 0.53 0.00 0.03 0.00 0.00 99.43 20:29:01 all 0.16 0.00 0.03 0.00 0.00 99.80 20:29:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:29:01 1 0.00 0.00 0.02 0.00 0.00 99.98 20:29:01 2 0.07 0.00 0.05 0.00 0.02 99.87 20:29:01 3 0.53 0.00 0.02 0.00 0.00 99.45 20:30:01 all 0.13 0.00 0.03 0.00 0.00 99.84 20:30:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:30:01 1 0.02 0.00 0.02 0.00 0.00 99.97 20:30:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:30:01 3 0.43 0.00 0.03 0.00 0.02 99.52 20:31:01 all 9.00 0.00 5.29 2.61 0.12 82.98 20:31:01 0 9.06 0.00 5.89 1.93 0.15 82.97 20:31:01 1 8.95 0.00 4.86 4.31 0.14 81.74 20:31:01 2 8.96 0.00 5.30 2.31 0.12 83.31 20:31:01 3 9.01 0.00 5.12 1.88 0.08 83.91 Average: all 2.56 0.00 1.31 0.63 0.03 95.47 Average: 0 2.20 0.00 1.40 0.60 0.03 95.77 Average: 1 2.48 0.00 1.26 0.86 0.03 95.37 Average: 2 2.88 0.00 1.33 0.62 0.03 95.14 Average: 3 2.66 0.00 1.26 0.43 0.02 95.62