---> uname -a: Linux cfb9c7a20d1f 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% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/2 /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/2@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 699 204 0 934 1044 Swap: 1023 3 1020 ---> 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 14: eth0@if15: 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) 09/22/20 _x86_64_ (4 CPU) 13:04:53 LINUX RESTART (4 CPU) 13:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:07:01 48.26 10.59 37.67 0.00 4659.63 7492.79 0.00 13:08:01 36.04 26.23 9.80 0.00 1502.13 7155.61 0.00 13:09:01 147.35 59.06 88.30 0.00 4321.01 36617.38 0.00 13:10:01 158.31 27.36 130.94 0.00 1901.20 31036.58 0.00 13:11:01 221.35 137.07 84.28 0.00 7065.02 7414.19 0.00 13:12:01 1.75 0.00 1.75 0.00 0.00 35.40 0.00 13:13:01 67.97 48.12 19.85 0.00 4415.18 4044.51 0.00 Average: 97.30 44.07 53.23 0.00 3409.38 13399.33 0.00 13:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:07:01 68468 0 603264 32.06 2620 1207204 1303828 44.50 512784 1135244 73568 13:08:01 257136 0 533852 28.37 2620 1087948 1189536 40.60 532164 931872 98236 13:09:01 97920 0 675236 35.89 2464 1105936 1411360 48.17 606572 978400 28704 13:10:01 355488 0 664068 35.29 1492 860508 1082144 36.93 527028 753656 28 13:11:01 555988 0 641744 34.11 1304 682520 1081740 36.92 536772 566840 20 13:12:01 561672 0 636124 33.81 1304 682456 1075152 36.69 543604 557220 12 13:13:01 231636 0 696616 37.02 1304 952000 1272796 43.44 606124 792948 43684 Average: 304044 0 635843 33.79 1873 939796 1202365 41.03 552150 816597 34893 13:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:07:01 eth0 713.18 755.14 2689.32 91.48 0.00 0.00 0.00 0.00 13:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:07:01 vethe8b6114 475.16 366.04 44.47 1273.14 0.00 0.00 0.00 0.00 13:07:01 docker0 475.16 365.91 37.98 1273.13 0.00 0.00 0.00 0.00 13:08:01 eth0 397.65 522.52 1388.11 46.83 0.00 0.00 0.00 0.00 13:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:08:01 vethe8b6114 521.67 392.88 46.12 1386.54 0.00 0.00 0.00 0.00 13:08:01 docker0 521.67 392.88 38.99 1386.54 0.00 0.00 0.00 0.00 13:09:01 vethbe55963 19.51 21.21 1.33 114.41 0.00 0.00 0.00 0.00 13:09:01 eth0 1294.62 886.36 3129.41 2780.74 0.00 0.00 0.00 0.00 13:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:09:01 docker0 19.53 21.10 1.06 114.40 0.00 0.00 0.00 0.00 13:10:01 eth0 340.26 291.61 1836.02 27.09 0.00 0.00 0.00 0.00 13:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 docker0 140.40 154.51 9.95 723.86 0.00 0.00 0.00 0.00 13:11:01 eth0 47.94 36.04 33.63 50.60 0.00 0.00 0.00 0.00 13:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:12:01 eth0 1.65 0.93 2.30 0.07 0.00 0.00 0.00 0.00 13:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:13:01 eth0 88.10 74.41 692.55 10.13 0.00 0.00 0.00 0.00 13:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 411.88 366.70 1395.83 429.48 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 165.26 133.49 12.57 499.73 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) 09/22/20 _x86_64_ (4 CPU) 13:04:53 LINUX RESTART (4 CPU) 13:06:01 CPU %user %nice %system %iowait %steal %idle 13:07:01 all 5.60 0.00 3.28 1.55 0.07 89.50 13:07:01 0 5.12 0.00 3.48 1.61 0.09 89.70 13:07:01 1 4.37 0.00 2.83 1.24 0.05 91.51 13:07:01 2 5.85 0.00 3.01 3.13 0.05 87.96 13:07:01 3 7.04 0.00 3.82 0.22 0.08 88.83 13:08:01 all 5.40 0.00 1.65 0.15 0.03 92.76 13:08:01 0 7.07 0.00 2.01 0.48 0.03 90.40 13:08:01 1 3.50 0.00 1.46 0.02 0.02 95.01 13:08:01 2 6.25 0.00 1.80 0.10 0.05 91.79 13:08:01 3 4.81 0.00 1.35 0.02 0.03 93.79 13:09:01 all 13.39 0.00 6.17 0.79 0.12 79.54 13:09:01 0 20.54 0.00 7.28 1.95 0.14 70.09 13:09:01 1 11.17 0.00 5.53 0.31 0.15 82.84 13:09:01 2 8.11 0.00 6.24 0.32 0.09 85.24 13:09:01 3 13.81 0.00 5.63 0.58 0.09 79.89 13:10:01 all 5.99 0.00 4.69 4.81 0.08 84.43 13:10:01 0 5.92 0.00 4.78 4.73 0.07 84.50 13:10:01 1 5.51 0.00 4.82 4.03 0.07 85.58 13:10:01 2 7.06 0.00 4.45 5.75 0.10 82.64 13:10:01 3 5.46 0.00 4.72 4.72 0.10 84.99 13:11:01 all 38.43 0.00 10.44 5.67 0.09 45.37 13:11:01 0 37.60 0.00 10.95 8.71 0.09 42.65 13:11:01 1 37.69 0.00 10.61 4.50 0.09 47.11 13:11:01 2 39.05 0.00 10.13 5.13 0.10 45.58 13:11:01 3 39.38 0.00 10.09 4.34 0.09 46.11 13:12:01 all 0.17 0.00 0.05 0.00 0.00 99.78 13:12:01 0 0.47 0.00 0.03 0.00 0.00 99.50 13:12:01 1 0.05 0.00 0.10 0.00 0.02 99.83 13:12:01 2 0.13 0.00 0.03 0.00 0.00 99.83 13:12:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:13:01 all 2.80 0.00 1.77 1.06 0.02 94.35 13:13:01 0 2.65 0.00 1.62 0.00 0.02 95.71 13:13:01 1 3.30 0.00 1.81 1.78 0.02 93.10 13:13:01 2 2.56 0.00 2.09 0.80 0.02 94.52 13:13:01 3 2.68 0.00 1.56 1.68 0.03 94.05 Average: all 10.13 0.00 3.97 1.99 0.06 83.85 Average: 0 11.20 0.00 4.27 2.47 0.06 82.00 Average: 1 9.25 0.00 3.85 1.69 0.06 85.16 Average: 2 9.74 0.00 3.93 2.17 0.06 84.11 Average: 3 10.33 0.00 3.85 1.64 0.06 84.12