---> uname -a: Linux 62fe4ed10895 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: 2933.396 BogoMIPS: 5866.79 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 12.9G 37.1G 26% / 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 12.9G 37.1G 26% /etc/resolv.conf /dev/vda1 50.0G 12.9G 37.1G 26% /etc/hostname /dev/vda1 50.0G 12.9G 37.1G 26% /etc/hosts /dev/vda1 50.0G 12.9G 37.1G 26% /var/log/sa /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/5 /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/5@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 614 120 0 1102 1139 Swap: 1023 107 916 ---> 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 108: eth0@if109: 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) 08/15/20 _x86_64_ (4 CPU) 03:07:02 LINUX RESTART 03:08:01 tps rtps wtps bread/s bwrtn/s 03:09:01 214.21 106.25 107.96 9845.17 46953.88 03:10:01 510.45 312.99 197.46 12634.18 44943.33 03:11:01 228.15 129.41 98.74 5100.67 34198.95 03:12:02 1408.05 1088.29 319.76 116103.31 185481.31 03:13:01 1994.52 1723.35 271.17 129439.24 144706.39 03:14:02 1240.57 886.94 353.63 104289.16 128198.54 03:15:01 2168.83 1823.83 345.00 138408.65 144305.32 03:16:01 410.50 169.22 241.28 17106.69 29107.57 03:17:01 6.56 0.77 5.80 8.66 184.49 03:18:01 0.82 0.55 0.27 17.99 2.86 03:19:01 0.22 0.02 0.20 0.53 1.75 03:20:01 1.17 0.90 0.27 9.99 3.43 03:21:01 0.28 0.00 0.28 0.00 3.40 03:22:01 0.67 0.38 0.28 10.39 3.10 03:23:01 2.80 2.07 0.73 56.10 14.56 03:24:01 0.32 0.02 0.30 0.53 3.28 03:25:01 1.15 0.90 0.25 13.06 2.70 03:26:01 0.20 0.03 0.17 0.80 1.63 03:27:01 0.78 0.05 0.73 0.40 9.09 Average: 429.52 327.26 102.26 27973.02 39869.00 03:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:09:01 77648 1803908 95.87 2024 1094700 1545900 52.76 655972 944460 111536 03:10:01 153368 1728188 91.85 1392 939232 1787464 61.00 758456 733080 58152 03:11:01 504080 1377476 73.21 476 716424 1133116 38.67 492908 653232 20 03:12:02 52616 1828940 97.20 0 1103272 1937008 66.11 710640 948780 28860 03:13:01 393040 1488516 79.11 0 635556 2977292 101.61 607936 663584 34060 03:14:02 75688 1805868 95.98 0 1031060 1902436 64.93 690756 918036 636 03:15:01 140636 1740920 92.53 0 711216 2679432 91.44 703184 848132 46580 03:16:01 380804 1500752 79.76 0 952300 1204448 41.11 496596 798224 20 03:17:01 390536 1491020 79.24 0 952316 1135116 38.74 494012 793684 12 03:18:01 390308 1491248 79.26 0 952788 1135188 38.74 494312 794116 8 03:19:01 390764 1490792 79.23 0 952788 1135116 38.74 494232 794120 8 03:20:01 389588 1491968 79.29 0 952808 1135248 38.74 494728 794428 8 03:21:01 390256 1491300 79.26 0 952820 1135152 38.74 494128 794436 8 03:22:01 389892 1491664 79.28 0 953084 1135564 38.75 494440 794616 16 03:23:01 388440 1493116 79.36 0 953764 1135200 38.74 494224 795664 8 03:24:01 388420 1493136 79.36 0 953760 1135116 38.74 494264 795664 8 03:25:01 387412 1494144 79.41 0 953780 1135320 38.75 494724 796072 8 03:26:01 388228 1493328 79.37 0 953784 1135116 38.74 494272 796088 8 03:27:01 388196 1493360 79.37 0 953796 1135116 38.74 494276 796096 8 Average: 318943 1562613 83.05 205 929960 1455492 49.67 555477 802764 14735 03:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:09:01 eth0 1683.71 1326.24 8538.86 2818.34 0.00 0.00 0.00 03:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 docker0 801.67 595.49 65.53 2636.49 0.00 0.00 0.00 03:10:01 eth0 393.12 339.88 1809.46 44.30 0.00 0.00 0.00 03:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 veth171c1b1 0.00 0.13 0.00 0.01 0.00 0.00 0.00 03:10:01 docker0 924.31 740.69 74.74 3367.79 0.00 0.00 0.00 03:11:01 eth0 55.98 37.72 35.63 81.78 0.00 0.00 0.00 03:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:02 veth388be00 0.00 0.40 0.00 0.02 0.00 0.00 0.00 03:12:02 eth0 2897.65 2222.23 15438.78 3054.47 0.00 0.00 0.00 03:12:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 03:12:02 docker0 932.38 756.70 74.97 3482.95 0.00 0.00 0.00 03:13:01 vethafe8621 0.00 0.13 0.00 0.01 0.00 0.00 0.00 03:13:01 veth388be00 0.00 0.40 0.00 0.02 0.00 0.00 0.00 03:13:01 eth0 2982.94 2284.28 15832.85 3136.11 0.00 0.00 0.00 03:13:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 03:14:02 veth388be00 0.00 0.25 0.00 0.01 0.00 0.00 0.00 03:14:02 eth0 99.65 70.48 210.83 73.39 0.00 0.00 0.00 03:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:02 veth3c93a61 0.00 0.23 0.00 0.01 0.00 0.00 0.00 03:15:01 vethcc7bd1b 0.00 0.14 0.00 0.01 0.00 0.00 0.00 03:15:01 veth388be00 0.00 0.73 0.00 0.04 0.00 0.00 0.00 03:15:01 eth0 3150.73 2401.42 16125.43 3282.92 0.00 0.00 0.00 03:15:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 03:16:01 eth0 117.19 67.45 521.94 69.38 0.00 0.00 0.00 03:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 docker0 992.48 848.85 78.78 4154.48 0.00 0.00 0.00 03:17:01 eth0 0.07 0.08 0.01 0.02 0.00 0.00 0.00 03:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 eth0 0.22 0.20 0.08 0.07 0.00 0.00 0.00 03:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 eth0 0.57 0.40 0.31 0.21 0.00 0.00 0.00 03:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 eth0 0.18 0.12 0.07 0.01 0.00 0.00 0.00 03:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 03:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 eth0 0.60 0.08 0.06 0.01 0.00 0.00 0.00 03:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 eth0 0.57 0.48 0.33 0.21 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 0.22 0.02 0.02 0.00 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 134.59 104.59 688.19 169.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 52.29 44.72 4.15 218.88 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) 08/15/20 _x86_64_ (4 CPU) 03:07:02 LINUX RESTART 03:08:01 CPU %user %nice %system %iowait %steal %idle 03:09:01 all 21.30 0.00 8.57 1.78 0.03 68.32 03:09:01 0 22.64 0.00 10.10 0.86 0.02 66.38 03:09:01 1 16.02 0.00 7.74 1.34 0.03 74.86 03:09:01 2 30.81 0.00 8.16 2.75 0.02 58.26 03:09:01 3 15.70 0.00 8.29 2.18 0.02 73.81 03:10:01 all 26.85 0.00 11.25 7.73 0.02 54.15 03:10:01 0 27.46 0.00 11.70 5.52 0.02 55.30 03:10:01 1 26.19 0.00 11.48 9.40 0.02 52.91 03:10:01 2 26.25 0.00 10.51 6.80 0.02 56.42 03:10:01 3 27.49 0.00 11.33 9.21 0.02 51.96 03:11:01 all 41.31 0.00 11.75 5.16 0.02 41.77 03:11:01 0 42.27 0.00 11.78 3.41 0.02 42.52 03:11:01 1 41.70 0.00 11.56 6.71 0.02 40.01 03:11:01 2 40.60 0.00 11.70 4.93 0.02 42.75 03:11:01 3 40.67 0.00 11.91 5.59 0.03 41.80 03:12:02 all 19.57 0.00 20.95 18.25 0.04 41.19 03:12:02 0 18.69 0.00 20.49 18.58 0.03 42.21 03:12:02 1 19.38 0.00 21.83 17.32 0.07 41.41 03:12:02 2 20.43 0.00 20.82 18.99 0.03 39.73 03:12:02 3 19.81 0.00 20.65 18.10 0.07 41.37 03:13:01 all 49.10 0.00 18.35 20.18 0.04 12.33 03:13:01 0 49.36 0.00 17.51 20.92 0.05 12.16 03:13:01 1 49.00 0.00 18.60 19.10 0.03 13.26 03:13:01 2 48.96 0.00 18.49 20.11 0.02 12.43 03:13:01 3 49.10 0.00 18.82 20.59 0.02 11.47 03:14:02 all 26.75 0.00 18.79 28.32 0.03 26.11 03:14:02 0 27.87 0.00 18.10 27.64 0.02 26.38 03:14:02 1 27.15 0.00 18.54 30.16 0.05 24.10 03:14:02 2 27.32 0.00 19.08 27.20 0.03 26.36 03:14:02 3 24.63 0.00 19.44 28.30 0.02 27.61 03:15:01 all 35.64 0.00 20.48 27.42 0.03 16.44 03:15:01 0 36.71 0.00 18.94 26.20 0.02 18.13 03:15:01 1 36.29 0.00 20.53 27.38 0.03 15.77 03:15:01 2 34.71 0.00 21.34 29.86 0.03 14.06 03:15:01 3 34.83 0.00 21.15 26.21 0.04 17.78 03:16:01 all 20.22 0.00 10.08 15.11 0.02 54.57 03:16:01 0 22.44 0.00 11.16 16.93 0.05 49.43 03:16:01 1 18.30 0.00 9.75 18.34 0.02 53.59 03:16:01 2 21.66 0.00 9.83 8.20 0.02 60.29 03:16:01 3 18.46 0.00 9.55 16.97 0.02 55.01 03:17:01 all 0.15 0.00 0.04 0.03 0.00 99.78 03:17:01 0 0.03 0.00 0.07 0.03 0.00 99.87 03:17:01 1 0.03 0.00 0.05 0.02 0.00 99.90 03:17:01 2 0.02 0.00 0.02 0.00 0.00 99.97 03:17:01 3 0.55 0.00 0.05 0.07 0.00 99.33 03:18:01 all 0.15 0.00 0.02 0.00 0.00 99.82 03:18:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:18:01 1 0.02 0.00 0.02 0.02 0.00 99.95 03:18:01 2 0.00 0.00 0.00 0.00 0.00 100.00 03:18:01 3 0.55 0.00 0.02 0.02 0.00 99.42 03:19:01 all 0.14 0.00 0.02 0.00 0.00 99.84 03:19:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:19:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:19:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:19:01 3 0.48 0.00 0.02 0.00 0.00 99.50 03:20:01 all 0.15 0.00 0.02 0.02 0.00 99.80 03:20:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:20:01 1 0.00 0.00 0.02 0.03 0.00 99.95 03:20:01 2 0.02 0.00 0.02 0.03 0.00 99.93 03:20:01 3 0.53 0.00 0.02 0.02 0.00 99.43 03:21:01 all 0.11 0.00 0.03 0.00 0.00 99.86 03:21:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:21:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:21:01 2 0.02 0.00 0.02 0.00 0.00 99.97 03:21:01 3 0.37 0.00 0.08 0.00 0.00 99.55 03:22:01 all 0.03 0.00 0.03 0.00 0.00 99.94 03:22:01 0 0.00 0.00 0.02 0.02 0.00 99.97 03:22:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:22:01 2 0.02 0.00 0.00 0.00 0.00 99.98 03:22:01 3 0.05 0.00 0.02 0.00 0.00 99.93 03:23:01 all 0.15 0.00 0.04 0.04 0.00 99.77 03:23:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:23:01 1 0.03 0.00 0.05 0.13 0.00 99.78 03:23:01 2 0.03 0.00 0.03 0.00 0.00 99.93 03:23:01 3 0.52 0.00 0.05 0.03 0.00 99.40 03:24:01 all 0.15 0.00 0.02 0.00 0.00 99.84 03:24:01 0 0.03 0.00 0.00 0.00 0.00 99.97 03:24:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:24:01 2 0.02 0.00 0.00 0.00 0.00 99.98 03:24:01 3 0.52 0.00 0.00 0.00 0.00 99.48 03:25:01 all 0.16 0.00 0.02 0.03 0.00 99.78 03:25:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:25:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:25:01 2 0.05 0.00 0.03 0.13 0.00 99.78 03:25:01 3 0.53 0.00 0.03 0.00 0.00 99.43 03:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:26:01 1 0.00 0.00 0.02 0.00 0.00 99.98 03:26:01 2 0.03 0.00 0.05 0.00 0.00 99.92 03:26:01 3 0.50 0.00 0.02 0.00 0.00 99.48 03:27:01 all 0.15 0.00 0.02 0.00 0.00 99.82 03:27:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:27:01 1 0.52 0.00 0.02 0.02 0.00 99.45 03:27:01 2 0.05 0.00 0.05 0.00 0.00 99.90 03:27:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 12.57 0.00 6.25 6.42 0.01 74.75 Average: 0 12.87 0.00 6.24 6.23 0.01 74.64 Average: 1 12.18 0.00 6.24 6.74 0.01 74.82 Average: 2 13.04 0.00 6.23 6.16 0.01 74.56 Average: 3 12.17 0.00 6.27 6.56 0.01 74.98