---> uname -a: Linux e30fbeee8368 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/edgex-go/1 /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 704 149 0 983 1039 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 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) 09/11/20 _x86_64_ (4 CPU) 00:57:55 LINUX RESTART (4 CPU) 00:59:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 169.81 63.48 106.33 0.00 5945.78 46629.79 0.00 01:01:01 321.92 145.94 175.98 0.00 7806.78 32944.96 0.00 01:02:01 124.90 73.25 51.66 0.00 3042.56 4202.88 0.00 01:03:01 3.18 0.02 3.16 0.00 3.73 93.57 0.00 01:04:01 0.27 0.03 0.23 0.00 1.07 3.86 0.00 01:05:01 0.38 0.12 0.27 0.00 73.96 3.17 0.00 01:06:01 0.37 0.00 0.37 0.00 0.00 4.63 0.00 Average: 88.58 40.39 48.19 0.00 2404.31 11910.07 0.00 00:59:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 176260 0 657416 34.94 2196 1045684 1311000 44.74 552556 958912 0 01:01:01 173840 0 751704 39.95 1492 954520 1630364 55.64 704172 768096 69380 01:02:01 489972 0 652220 34.66 1264 738100 1096980 37.44 568472 599684 8 01:03:01 500788 0 641196 34.08 1264 738308 1063628 36.30 565492 597220 8 01:04:01 499572 0 642408 34.14 1264 738312 1063700 36.30 571600 592408 20 01:05:01 496576 0 643176 34.18 1264 740540 1063844 36.31 585728 581420 8 01:06:01 497920 0 641832 34.11 1264 740540 1063600 36.30 578552 587564 8 Average: 404990 0 661422 35.15 1430 813715 1184731 40.43 589510 669329 9919 00:59:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 veth15d9f79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 eth0 2084.52 1743.27 6086.30 2907.82 0.00 0.00 0.00 0.00 01:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 veth65c4437 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 vethcf6e616 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 01:01:01 eth0 326.94 218.27 1919.73 29.23 0.00 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 954.06 931.40 76.14 3489.96 0.00 0.00 0.00 0.00 01:02:01 eth0 37.95 28.23 19.27 65.38 0.00 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 eth0 0.57 0.18 0.11 0.07 0.00 0.00 0.00 0.00 01:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 eth0 0.78 0.52 0.35 0.21 0.00 0.00 0.00 0.00 01:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 346.15 281.01 1135.44 423.19 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 136.82 133.57 10.92 500.49 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) 09/11/20 _x86_64_ (4 CPU) 00:57:55 LINUX RESTART (4 CPU) 00:59:02 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 21.57 0.00 8.96 1.97 0.08 67.42 01:00:01 0 27.42 0.00 12.07 1.59 0.05 58.87 01:00:01 1 22.68 0.00 7.69 1.47 0.09 68.07 01:00:01 2 15.67 0.00 7.59 3.13 0.10 73.50 01:00:01 3 20.55 0.00 8.54 1.68 0.07 69.16 01:01:01 all 24.23 0.00 10.14 7.70 0.04 57.89 01:01:01 0 25.08 0.00 10.43 10.10 0.05 54.34 01:01:01 1 23.09 0.00 10.26 8.05 0.03 58.56 01:01:01 2 24.70 0.00 10.08 6.35 0.03 58.84 01:01:01 3 24.03 0.00 9.80 6.32 0.05 59.80 01:02:01 all 24.76 0.00 7.68 2.11 0.03 65.42 01:02:01 0 24.22 0.00 7.36 2.82 0.02 65.58 01:02:01 1 24.49 0.00 8.00 3.22 0.03 64.25 01:02:01 2 24.84 0.00 8.16 0.81 0.03 66.17 01:02:01 3 25.51 0.00 7.21 1.59 0.03 65.67 01:03:01 all 0.15 0.00 0.05 0.00 0.00 99.80 01:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 01:03:01 1 0.03 0.00 0.07 0.00 0.00 99.90 01:03:01 2 0.50 0.00 0.03 0.00 0.00 99.47 01:03:01 3 0.07 0.00 0.07 0.00 0.00 99.87 01:04:01 all 0.16 0.00 0.03 0.00 0.00 99.81 01:04:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:04:01 1 0.07 0.00 0.02 0.00 0.00 99.92 01:04:01 2 0.53 0.00 0.02 0.00 0.00 99.45 01:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:05:01 all 0.15 0.00 0.05 0.00 0.00 99.80 01:05:01 0 0.02 0.00 0.10 0.00 0.00 99.88 01:05:01 1 0.03 0.00 0.03 0.02 0.00 99.92 01:05:01 2 0.52 0.00 0.03 0.00 0.00 99.45 01:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:06:01 all 0.15 0.00 0.02 0.00 0.00 99.83 01:06:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:06:01 1 0.03 0.00 0.02 0.00 0.00 99.95 01:06:01 2 0.53 0.00 0.02 0.00 0.02 99.43 01:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 10.04 0.00 3.79 1.66 0.02 84.48 Average: 0 10.80 0.00 4.22 2.05 0.02 82.91 Average: 1 9.93 0.00 3.68 1.81 0.02 84.56 Average: 2 9.52 0.00 3.66 1.45 0.03 85.35 Average: 3 9.91 0.00 3.62 1.36 0.02 85.09