---> uname -a: Linux 4b4cf8182fad 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 8.7G 41.2G 17% / 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 8.7G 41.2G 17% /etc/resolv.conf /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hostname /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hosts /dev/vda1 50.0G 8.7G 41.2G 17% /var/log/sa /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1 /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 688 112 0 1036 1056 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) 07/27/20 _x86_64_ (4 CPU) 01:53:11 LINUX RESTART 01:54:02 tps rtps wtps bread/s bwrtn/s 01:55:01 64.51 15.34 49.17 5313.01 10210.89 01:56:01 87.83 60.52 27.31 4026.61 18403.59 01:57:01 413.51 230.32 183.20 7554.91 62813.71 01:58:02 247.49 148.60 98.89 6588.81 13314.84 01:59:01 173.07 107.77 65.30 4629.25 16953.39 02:00:01 4.41 0.12 4.30 3.73 135.22 02:01:01 0.87 0.17 0.70 76.06 8.54 02:02:01 0.83 0.37 0.46 23.51 8.42 Average: 124.13 70.44 53.69 3524.45 15244.17 01:54:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 68336 1813220 96.37 2620 1164444 1357484 46.33 531220 1115864 65892 01:56:01 95216 1786340 94.94 2620 1166624 1357884 46.34 679980 940968 84448 01:57:01 93508 1788048 95.03 1492 1084040 1413352 48.24 656216 889528 8 01:58:02 74736 1806820 96.03 352 649912 2182460 74.48 984680 590680 19416 01:59:01 614768 1266788 67.33 320 619048 1128272 38.51 480012 556860 20 02:00:01 626136 1255420 66.72 320 619140 1128284 38.51 488448 548548 8 02:01:01 633108 1248448 66.35 320 621392 1066336 36.39 483388 548732 8 02:02:01 633272 1248284 66.34 320 622080 1064504 36.33 483004 549284 8 Average: 354885 1526671 81.14 1046 818335 1337322 45.64 598369 717558 21226 01:54:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:55:01 eth0 939.13 678.55 4537.68 118.94 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 veth776034a 316.64 294.70 32.69 1136.50 0.00 0.00 0.00 01:55:01 docker0 316.64 294.56 28.37 1136.49 0.00 0.00 0.00 01:56:01 eth0 888.74 703.04 1717.77 2752.75 0.00 0.00 0.00 01:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 docker0 363.30 333.38 32.17 1509.67 0.00 0.00 0.00 01:57:01 eth0 502.06 300.02 7265.34 66.26 0.00 0.00 0.00 01:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 docker0 105.16 143.00 7.97 739.88 0.00 0.00 0.00 01:58:02 eth0 25.11 20.28 23.86 10.93 0.00 0.00 0.00 01:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:02 veth8d032f1 0.00 0.13 0.00 0.01 0.00 0.00 0.00 01:58:02 docker0 780.76 766.90 68.12 3369.96 0.00 0.00 0.00 01:59:01 eth0 31.21 26.12 19.58 47.14 0.00 0.00 0.00 01:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 eth0 1.82 1.97 0.35 6.84 0.00 0.00 0.00 02:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 02:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 02:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 298.37 216.13 1696.85 376.26 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 98.08 96.34 8.56 423.35 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) 07/27/20 _x86_64_ (4 CPU) 01:53:11 LINUX RESTART 01:54:02 CPU %user %nice %system %iowait %steal %idle 01:55:01 all 8.57 0.00 3.76 1.71 15.99 69.97 01:55:01 0 9.96 0.00 4.82 0.56 20.46 64.20 01:55:01 1 10.28 0.00 4.27 2.83 16.29 66.33 01:55:01 2 5.99 0.00 3.09 1.38 13.85 75.70 01:55:01 3 8.11 0.00 2.85 2.08 13.45 73.51 01:56:01 all 11.13 0.00 2.78 0.96 17.97 67.15 01:56:01 0 11.73 0.00 2.68 0.60 23.34 61.64 01:56:01 1 10.15 0.00 2.25 0.50 16.02 71.08 01:56:01 2 13.57 0.00 4.13 1.30 17.52 63.49 01:56:01 3 9.16 0.00 2.13 1.44 14.99 72.29 01:57:01 all 8.62 0.00 5.82 3.53 16.67 65.36 01:57:01 0 8.70 0.00 6.81 2.83 17.82 63.83 01:57:01 1 8.25 0.00 5.37 4.59 16.13 65.67 01:57:01 2 9.11 0.00 6.31 4.70 16.33 63.56 01:57:01 3 8.41 0.00 4.80 2.05 16.33 68.42 01:58:02 all 26.19 0.00 10.99 7.45 24.11 31.26 01:58:02 0 25.33 0.00 11.32 6.78 24.50 32.07 01:58:02 1 26.45 0.00 10.12 8.86 24.07 30.50 01:58:02 2 26.44 0.00 11.27 5.24 24.96 32.08 01:58:02 3 26.56 0.00 11.24 8.90 22.92 30.38 01:59:01 all 26.78 0.00 9.08 6.03 11.90 46.20 01:59:01 0 24.95 0.00 9.29 6.05 12.72 46.98 01:59:01 1 26.80 0.00 8.84 5.84 10.90 47.62 01:59:01 2 27.12 0.00 9.01 6.00 12.31 45.56 01:59:01 3 28.26 0.00 9.19 6.21 11.66 44.67 02:00:01 all 0.05 0.00 0.06 0.00 0.07 99.81 02:00:01 0 0.05 0.00 0.08 0.00 0.03 99.83 02:00:01 1 0.05 0.00 0.05 0.00 0.03 99.87 02:00:01 2 0.07 0.00 0.05 0.00 0.17 99.72 02:00:01 3 0.05 0.00 0.05 0.00 0.08 99.82 02:01:01 all 0.04 0.00 0.04 0.00 0.22 99.70 02:01:01 0 0.03 0.00 0.03 0.00 0.03 99.90 02:01:01 1 0.05 0.00 0.02 0.00 0.46 99.47 02:01:01 2 0.03 0.00 0.07 0.00 0.22 99.68 02:01:01 3 0.03 0.00 0.03 0.00 0.17 99.77 02:02:01 all 0.02 0.00 0.03 0.04 0.41 99.51 02:02:01 0 0.02 0.00 0.02 0.02 0.56 99.39 02:02:01 1 0.02 0.00 0.05 0.02 0.48 99.44 02:02:01 2 0.02 0.00 0.03 0.08 0.28 99.59 02:02:01 3 0.00 0.00 0.03 0.03 0.31 99.62 Average: all 9.91 0.00 3.97 2.39 10.84 72.90 Average: 0 9.88 0.00 4.29 2.04 12.40 71.40 Average: 1 10.00 0.00 3.77 2.75 10.50 72.98 Average: 2 10.01 0.00 4.14 2.28 10.58 72.99 Average: 3 9.75 0.00 3.66 2.49 9.87 74.23