---> uname -a: Linux 22bb46c4e585 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 9.0G 41.0G 18% / 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 9.0G 41.0G 18% /etc/resolv.conf /dev/vda1 50.0G 9.0G 41.0G 18% /etc/hostname /dev/vda1 50.0G 9.0G 41.0G 18% /etc/hosts /dev/vda1 50.0G 9.0G 41.0G 18% /var/log/sa /dev/vda1 50.0G 9.0G 41.0G 18% /w/workspace/edgex-go/3 /dev/vda1 50.0G 9.0G 41.0G 18% /w/workspace/edgex-go/3@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 728 106 0 1002 1019 Swap: 1023 4 1019 ---> 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) 07/22/20 _x86_64_ (4 CPU) 14:53:23 LINUX RESTART 14:54:01 tps rtps wtps bread/s bwrtn/s 14:55:01 80.57 22.91 57.66 5791.14 15372.57 14:56:02 366.77 249.93 116.84 9296.09 54526.62 14:57:01 297.72 145.24 152.48 7863.78 28897.57 14:58:01 212.54 110.11 102.43 3688.89 23049.98 14:59:01 144.26 73.42 70.84 4184.87 16844.32 Average: 220.07 120.20 99.87 6159.67 27730.06 14:54:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:55:01 82560 1798996 95.61 2620 1034556 1476976 50.41 651276 986564 20 14:56:02 153812 1727744 91.83 1492 1055908 1324380 45.20 566324 960140 12 14:57:01 106892 1774664 94.32 1448 998520 1757892 59.99 745676 793684 49716 14:58:01 561412 1320144 70.16 368 639668 1340140 45.74 507856 580008 11540 14:59:01 248268 1633288 86.81 320 865536 1445268 49.32 644412 723916 32160 Average: 230589 1650967 87.74 1250 918838 1468931 50.13 623109 808862 18690 14:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:55:01 eth0 1490.84 1480.70 6247.10 195.60 0.00 0.00 0.00 14:55:01 vetha7bd856 976.80 718.32 87.70 2645.76 0.00 0.00 0.00 14:55:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:55:01 docker0 976.80 718.18 74.34 2645.75 0.00 0.00 0.00 14:56:02 eth0 966.93 522.54 5599.90 2725.72 0.00 0.00 0.00 14:56:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:02 docker0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 14:57:01 eth0 296.60 185.05 1835.64 75.54 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 veth667b44a 0.00 0.14 0.00 0.01 0.00 0.00 0.00 14:57:01 docker0 1092.94 874.04 82.76 3432.98 0.00 0.00 0.00 14:58:01 eth0 24.33 12.62 20.28 10.32 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 veth667b44a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 71.11 48.91 599.77 68.07 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 veth667b44a 0.07 0.07 0.00 0.01 0.00 0.00 0.00 14:59:01 docker0 0.07 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 571.25 451.26 2865.42 616.65 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth667b44a 0.01 0.04 0.00 0.00 0.00 0.00 0.00 Average: docker0 215.77 172.55 16.34 677.69 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) 07/22/20 _x86_64_ (4 CPU) 14:53:23 LINUX RESTART 14:54:01 CPU %user %nice %system %iowait %steal %idle 14:55:01 all 19.00 0.00 6.09 1.96 10.46 62.49 14:55:01 0 20.99 0.00 8.23 0.75 10.57 59.46 14:55:01 1 13.28 0.00 4.26 2.66 11.72 68.08 14:55:01 2 18.24 0.00 5.77 2.09 9.94 63.95 14:55:01 3 23.92 0.00 6.26 2.27 9.56 57.99 14:56:02 all 13.48 0.00 5.22 1.98 18.51 60.81 14:56:02 0 20.42 0.00 5.59 1.48 18.47 54.03 14:56:02 1 7.43 0.00 4.35 2.50 18.73 66.99 14:56:02 2 9.50 0.00 4.44 2.37 17.55 66.14 14:56:02 3 17.47 0.00 6.62 1.46 19.34 55.11 14:57:01 all 17.92 0.00 8.52 6.59 8.81 58.15 14:57:01 0 18.88 0.00 9.40 7.39 8.74 55.60 14:57:01 1 17.34 0.00 8.58 6.18 8.26 59.64 14:57:01 2 18.29 0.00 8.13 7.87 8.51 57.19 14:57:01 3 17.17 0.00 7.97 4.96 9.71 60.18 14:58:01 all 42.45 0.00 13.27 8.16 15.74 20.38 14:58:01 0 40.33 0.00 13.50 8.08 16.93 21.17 14:58:01 1 41.62 0.00 11.13 8.91 15.46 22.88 14:58:01 2 44.92 0.00 13.93 7.89 15.21 18.05 14:58:01 3 42.93 0.00 14.62 7.72 15.37 19.35 14:59:01 all 19.08 0.00 7.55 3.62 8.95 60.80 14:59:01 0 14.60 0.00 6.51 3.64 9.14 66.11 14:59:01 1 21.57 0.00 8.09 5.25 8.81 56.28 14:59:01 2 22.96 0.00 8.58 4.06 9.06 55.34 14:59:01 3 17.30 0.00 7.02 1.56 8.78 65.34 Average: all 22.05 0.00 8.03 4.37 12.53 53.02 Average: 0 22.80 0.00 8.57 4.21 12.73 51.68 Average: 1 19.76 0.00 7.16 4.99 12.71 55.39 Average: 2 22.28 0.00 8.03 4.75 12.12 52.82 Average: 3 23.43 0.00 8.40 3.51 12.54 52.12