---> uname -a: Linux 673390e8dbba 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 12.6G 37.4G 25% / 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 12.6G 37.4G 25% /etc/resolv.conf /dev/vda1 50.0G 12.6G 37.4G 25% /etc/hostname /dev/vda1 50.0G 12.6G 37.4G 25% /etc/hosts /dev/vda1 50.0G 12.6G 37.4G 25% /var/log/sa /dev/vda1 50.0G 12.6G 37.4G 25% /w/workspace/edgex-go/7 /dev/vda1 50.0G 12.6G 37.4G 25% /w/workspace/edgex-go/7@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 643 112 0 1080 1108 Swap: 1023 67 956 ---> 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 106: eth0@if107: 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) 19:20:20 LINUX RESTART 19:21:01 tps rtps wtps bread/s bwrtn/s 19:22:01 117.54 51.11 66.43 8218.61 20661.89 19:23:01 478.95 243.11 235.85 9095.72 78334.82 19:24:01 426.78 280.57 146.21 11068.10 28245.75 19:25:01 169.85 53.12 116.72 5182.09 29996.64 19:26:03 1801.31 1453.21 348.10 170621.10 226750.24 19:27:01 1113.33 843.61 269.73 83391.48 96108.54 19:28:03 1500.76 1147.85 352.91 111630.36 120256.36 19:29:01 1458.77 1136.94 321.83 77446.49 94033.64 19:30:01 606.37 429.11 177.27 38822.43 44112.41 19:31:01 1.58 0.45 1.13 17.72 12.77 19:32:01 0.32 0.03 0.28 0.40 3.36 19:33:01 0.22 0.00 0.22 0.00 2.45 19:34:01 0.32 0.03 0.28 0.80 3.38 19:35:02 0.40 0.00 0.40 0.00 3.80 19:36:01 2.46 1.76 0.69 189.84 8.25 19:37:01 1.02 0.05 0.97 1.60 17.27 19:38:01 0.47 0.00 0.47 0.00 5.56 19:39:01 0.25 0.02 0.23 0.53 3.51 19:40:01 0.22 0.00 0.22 0.00 3.00 19:41:01 0.30 0.00 0.30 0.00 3.15 Average: 385.15 283.02 102.13 25968.67 37124.02 19:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 320856 1560700 82.95 2620 970368 1104264 37.69 597032 805840 120 19:23:01 294764 1586792 84.33 1492 916560 1105036 37.71 544580 801596 16 19:24:01 352152 1529404 81.28 376 806696 1359928 46.41 535068 721900 36204 19:25:01 187300 1694256 90.05 312 976500 1241892 42.38 629512 799040 48 19:26:03 79628 1801928 95.77 4 1045736 2096324 71.54 623340 1012088 89860 19:27:01 202472 1679084 89.24 4 729948 1912132 65.26 793228 674772 4 19:28:03 77700 1803856 95.87 4 1096060 2161272 73.76 586688 1019664 93176 19:29:01 92000 1789556 95.11 4 1137904 1555620 53.09 760608 829460 7752 19:30:01 740960 1140596 60.62 4 563348 1236896 42.21 418572 521716 16 19:31:01 750192 1131364 60.13 4 563796 1154284 39.39 411884 521348 16 19:32:01 750460 1131096 60.11 4 563796 1154200 39.39 411924 521300 16 19:33:01 750708 1130848 60.10 4 563816 1154272 39.39 411956 521312 8 19:34:01 750432 1131124 60.12 4 563816 1154200 39.39 412060 521328 8 19:35:02 750508 1131048 60.11 4 563836 1154200 39.39 411920 521340 8 19:36:01 742308 1139248 60.55 4 568844 1154260 39.39 416824 524220 8 19:37:01 742248 1139308 60.55 4 568844 1154200 39.39 416748 524220 16 19:38:01 742308 1139248 60.55 4 568864 1154236 39.39 416732 524236 16 19:39:01 742084 1139472 60.56 4 568872 1154200 39.39 416856 524252 12 19:40:01 742116 1139440 60.56 4 568880 1154200 39.39 416736 524252 8 19:41:01 741864 1139692 60.57 4 568888 1154272 39.39 416808 524252 16 Average: 527653 1353903 71.96 243 723769 1323494 45.17 502454 646907 11366 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:22:01 eth0 2163.50 1819.00 6083.27 2375.15 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 904.26 733.78 71.20 2655.57 0.00 0.00 0.00 19:23:01 eth0 690.86 443.34 7393.44 573.17 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 124.95 159.16 9.39 743.43 0.00 0.00 0.00 19:24:01 vethf87822c 0.07 0.20 0.00 0.02 0.00 0.00 0.00 19:24:01 eth0 3017.50 2367.07 14245.54 3007.25 0.00 0.00 0.00 19:24:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:24:01 docker0 1019.78 883.94 79.86 3362.26 0.00 0.00 0.00 19:25:01 eth0 114.06 80.03 1657.61 68.92 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 veth76b17e9 0.00 0.05 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:03 eth0 64.51 47.21 164.12 46.80 0.00 0.00 0.00 19:26:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:03 veth76b17e9 0.00 0.36 0.00 0.02 0.00 0.00 0.00 19:26:03 docker0 19.81 25.84 1.15 142.71 0.00 0.00 0.00 19:27:01 veth508c2ce 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 veth3322133 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 eth0 3371.98 2621.44 16848.09 3262.81 0.00 0.00 0.00 19:27:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:28:03 vethd5840a1 0.00 0.10 0.00 0.01 0.00 0.00 0.00 19:28:03 veth7b46e00 0.00 0.11 0.00 0.01 0.00 0.00 0.00 19:28:03 eth0 119.54 71.66 475.23 75.42 0.00 0.00 0.00 19:28:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 eth0 57.60 37.64 81.10 60.50 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 veth76b17e9 0.00 0.81 0.00 0.04 0.00 0.00 0.00 19:29:01 docker0 1129.46 1028.62 87.18 4235.60 0.00 0.00 0.00 19:30:01 eth0 46.83 29.67 63.30 58.36 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 2.73 4.93 0.15 35.71 0.00 0.00 0.00 19:31:01 eth0 0.22 0.18 0.08 0.05 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 0.10 0.10 0.01 0.03 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 0.42 0.28 0.43 0.02 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:35:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 eth0 0.14 0.10 0.08 0.07 0.00 0.00 0.00 19:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 19:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 eth0 0.18 0.17 0.07 0.01 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 19:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 eth0 0.17 0.13 0.08 0.07 0.00 0.00 0.00 19:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 168.73 130.25 829.54 167.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 54.95 50.17 4.24 207.36 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) 19:20:20 LINUX RESTART 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 19.27 0.00 6.44 2.29 0.04 71.97 19:22:01 0 30.06 0.00 9.25 0.92 0.03 59.74 19:22:01 1 12.12 0.00 5.53 4.96 0.05 77.34 19:22:01 2 17.04 0.00 5.39 1.19 0.05 76.33 19:22:01 3 17.97 0.00 5.56 2.05 0.05 74.37 19:23:01 all 15.34 0.00 9.89 6.56 0.06 68.15 19:23:01 0 18.82 0.00 10.53 3.85 0.05 66.74 19:23:01 1 14.01 0.00 9.79 8.03 0.05 68.11 19:23:01 2 14.97 0.00 8.88 6.78 0.07 69.30 19:23:01 3 13.53 0.00 10.42 7.61 0.05 68.38 19:24:01 all 48.63 0.00 14.58 7.91 0.03 28.85 19:24:01 0 48.21 0.00 15.17 7.80 0.03 28.79 19:24:01 1 48.65 0.00 13.93 7.46 0.02 29.94 19:24:01 2 49.21 0.00 14.82 8.43 0.03 27.51 19:24:01 3 48.47 0.00 14.39 7.92 0.02 29.20 19:25:01 all 21.03 0.00 7.48 2.22 0.03 69.24 19:25:01 0 24.99 0.00 7.83 1.00 0.03 66.15 19:25:01 1 19.16 0.00 7.19 3.19 0.03 70.43 19:25:01 2 19.89 0.00 7.40 4.27 0.02 68.42 19:25:01 3 20.07 0.00 7.51 0.46 0.03 71.93 19:26:03 all 18.99 0.00 22.58 31.46 0.09 26.88 19:26:03 0 18.76 0.00 20.95 32.15 0.07 28.07 19:26:03 1 18.94 0.00 23.88 30.18 0.12 26.89 19:26:03 2 18.13 0.00 22.95 32.13 0.07 26.73 19:26:03 3 20.15 0.00 22.56 31.38 0.09 25.83 19:27:01 all 49.25 0.00 17.60 19.29 0.07 13.79 19:27:01 0 48.41 0.00 17.33 21.51 0.09 12.67 19:27:01 1 50.33 0.00 17.49 21.07 0.07 11.04 19:27:01 2 47.42 0.00 18.40 18.16 0.07 15.95 19:27:01 3 50.85 0.00 17.18 16.40 0.05 15.52 19:28:03 all 13.12 0.00 15.80 35.43 0.05 35.60 19:28:03 0 13.05 0.00 13.86 31.72 0.05 41.32 19:28:03 1 13.73 0.00 17.64 40.64 0.05 27.94 19:28:03 2 12.43 0.00 16.18 39.95 0.03 31.41 19:28:03 3 13.27 0.00 15.55 29.34 0.05 41.78 19:29:01 all 39.11 0.00 14.99 28.12 0.05 17.73 19:29:01 0 39.62 0.00 13.96 25.89 0.05 20.48 19:29:01 1 40.39 0.00 15.02 28.58 0.07 15.95 19:29:01 2 37.99 0.00 16.58 29.37 0.05 16.00 19:29:01 3 38.42 0.00 14.41 28.63 0.04 18.50 19:30:01 all 24.20 0.00 9.49 11.23 0.02 55.06 19:30:01 0 23.97 0.00 9.04 9.36 0.02 57.61 19:30:01 1 24.46 0.00 9.58 12.72 0.02 53.23 19:30:01 2 24.73 0.00 9.99 10.04 0.00 55.25 19:30:01 3 23.69 0.00 9.33 12.82 0.05 54.11 19:31:01 all 0.10 0.00 0.05 0.01 0.00 99.84 19:31:01 0 0.03 0.00 0.03 0.02 0.00 99.92 19:31:01 1 0.30 0.00 0.08 0.00 0.00 99.62 19:31:01 2 0.03 0.00 0.05 0.00 0.02 99.90 19:31:01 3 0.02 0.00 0.03 0.00 0.00 99.95 19:32:01 all 0.16 0.00 0.03 0.00 0.00 99.81 19:32:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:32:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:32:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:32:01 3 0.53 0.00 0.02 0.00 0.00 99.45 19:33:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:33:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:33:01 1 0.05 0.00 0.07 0.00 0.02 99.87 19:33:01 2 0.02 0.00 0.02 0.00 0.00 99.97 19:33:01 3 0.50 0.00 0.03 0.00 0.00 99.47 19:34:01 all 0.15 0.00 0.03 0.00 0.00 99.83 19:34:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:34:01 1 0.03 0.00 0.05 0.00 0.00 99.92 19:34:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:34:01 3 0.52 0.00 0.03 0.00 0.00 99.45 19:35:02 all 0.15 0.00 0.03 0.00 0.00 99.82 19:35:02 0 0.03 0.00 0.02 0.00 0.00 99.95 19:35:02 1 0.03 0.00 0.03 0.00 0.00 99.93 19:35:02 2 0.02 0.00 0.03 0.00 0.00 99.95 19:35:02 3 0.52 0.00 0.02 0.00 0.00 99.47 19:36:01 all 0.16 0.00 0.06 0.03 0.00 99.76 19:36:01 0 0.03 0.00 0.03 0.02 0.00 99.92 19:36:01 1 0.05 0.00 0.07 0.00 0.00 99.88 19:36:01 2 0.03 0.00 0.10 0.10 0.00 99.76 19:36:01 3 0.51 0.00 0.02 0.00 0.00 99.48 19:37:01 all 0.15 0.00 0.03 0.00 0.00 99.81 19:37:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:37:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:37:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:37:01 3 0.50 0.00 0.03 0.00 0.00 99.47 19:38:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:38:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:38:01 1 0.03 0.00 0.05 0.00 0.00 99.92 19:38:01 2 0.02 0.00 0.03 0.00 0.00 99.95 19:38:01 3 0.50 0.00 0.02 0.00 0.00 99.48 19:39:01 all 0.15 0.00 0.02 0.00 0.00 99.83 19:39:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:39:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:39:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:39:01 3 0.52 0.00 0.02 0.00 0.00 99.47 19:40:01 all 0.15 0.00 0.02 0.00 0.00 99.82 19:40:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:40:01 1 0.03 0.00 0.02 0.00 0.00 99.95 19:40:01 2 0.03 0.00 0.05 0.00 0.00 99.92 19:40:01 3 0.52 0.00 0.02 0.00 0.00 99.47 19:41:01 all 0.16 0.00 0.03 0.00 0.00 99.81 19:41:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:41:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:41:01 2 0.08 0.00 0.03 0.00 0.00 99.88 19:41:01 3 0.53 0.00 0.05 0.00 0.00 99.42 Average: all 12.32 0.00 5.88 7.14 0.02 74.64 Average: 0 13.10 0.00 5.84 6.64 0.02 74.41 Average: 1 11.93 0.00 5.96 7.76 0.02 74.32 Average: 2 11.91 0.00 5.97 7.44 0.02 74.66 Average: 3 12.35 0.00 5.76 6.71 0.02 75.16