---> uname -a: Linux d3e7915e5bec 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 13.8G 36.1G 28% / 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 13.8G 36.1G 28% /etc/resolv.conf /dev/vda1 50.0G 13.8G 36.1G 28% /etc/hostname /dev/vda1 50.0G 13.8G 36.1G 28% /etc/hosts /dev/vda1 50.0G 13.8G 36.1G 28% /var/log/sa /dev/vda1 50.0G 13.8G 36.1G 28% /w/workspace/edgex-go/37 /dev/vda1 50.0G 13.8G 36.1G 28% /w/workspace/edgex-go/37@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 590 114 0 1132 1163 Swap: 1023 119 904 ---> 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 116: eth0@if117: 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) 08/18/20 _x86_64_ (4 CPU) 04:07:39 LINUX RESTART 04:08:01 tps rtps wtps bread/s bwrtn/s 04:09:02 170.46 67.31 103.15 8933.85 50744.86 04:10:01 426.48 255.43 171.05 10706.60 74050.34 04:11:01 374.05 190.80 183.26 8043.85 33318.77 04:12:01 238.40 115.77 122.63 6135.68 32850.37 04:13:02 1717.88 1375.75 342.13 163915.52 221389.49 04:14:01 1685.22 1448.64 236.58 87662.36 98653.63 04:15:02 1373.65 1014.36 359.28 98879.16 131745.78 04:16:01 2065.12 1760.64 304.48 134702.21 138294.66 04:17:01 1132.26 805.09 327.18 64969.81 82583.38 04:18:02 161.91 87.85 74.06 7221.04 5788.61 04:19:01 1.63 0.08 1.54 1.63 26.30 04:20:01 0.73 0.48 0.25 9.19 2.73 04:21:01 0.30 0.02 0.28 0.53 3.46 04:22:01 0.32 0.00 0.32 0.00 3.83 04:23:01 1.90 1.73 0.17 54.62 1.53 04:24:01 1.08 0.30 0.78 4.93 15.12 04:25:01 0.33 0.05 0.28 1.73 2.88 04:26:01 0.32 0.07 0.25 1.33 3.33 04:27:01 122.85 58.27 64.59 5871.19 19570.38 Average: 499.03 378.16 120.87 31525.29 46923.92 04:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:09:02 72144 1809412 96.17 2620 1067152 1460604 49.85 639636 1006700 20 04:10:01 134972 1746584 92.83 1492 1068672 1527312 52.12 643708 898708 1036 04:11:01 463164 1418392 75.38 328 582320 1787824 61.02 645940 536316 35376 04:12:01 148380 1733176 92.11 328 1003656 1737856 59.31 577868 902444 84 04:13:02 70936 1810620 96.23 0 1022108 2313796 78.97 747516 893672 60092 04:14:01 127960 1753596 93.20 0 815800 2303348 78.61 733932 789620 36260 04:15:02 78596 1802960 95.82 0 1092420 1915356 65.37 774512 847820 2132 04:16:01 166148 1715408 91.17 0 784604 2979600 101.69 765248 738644 65324 04:17:01 151516 1730040 91.95 0 1171376 1348884 46.03 711376 821188 1676 04:18:02 637664 1243892 66.11 0 731476 1177888 40.20 362260 688052 8 04:19:01 640620 1240936 65.95 0 731488 1151148 39.29 360412 687416 8 04:20:01 640896 1240660 65.94 0 731496 1144132 39.05 360472 687600 8 04:21:01 641540 1240016 65.90 0 731488 1143952 39.04 359744 687600 8 04:22:01 641740 1239816 65.89 0 731512 1143976 39.04 359880 687616 8 04:23:01 640296 1241260 65.97 0 732512 1143952 39.04 360408 687984 20 04:24:01 640340 1241216 65.97 0 732524 1144012 39.04 360616 688100 8 04:25:01 639768 1241788 66.00 0 732528 1143976 39.04 360552 688152 8 04:26:01 638992 1242564 66.04 0 732536 1144108 39.05 360992 688188 8 04:27:01 96932 1784624 94.85 0 1191004 1337704 45.65 447124 1094600 340 Average: 382769 1498787 79.66 251 862456 1528917 52.18 522747 774759 10654 04:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:09:02 eth0 1336.40 1310.32 6286.97 171.13 0.00 0.00 0.00 04:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:09:02 veth22b74ac 780.88 561.04 75.25 2648.38 0.00 0.00 0.00 04:09:02 docker0 780.88 560.90 64.58 2648.37 0.00 0.00 0.00 04:10:01 eth0 1492.28 911.84 7154.04 2832.58 0.00 0.00 0.00 04:10:01 vethc1c9856 19.12 22.71 1.86 13.59 0.00 0.00 0.00 04:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:10:01 docker0 43.93 66.09 2.91 378.15 0.00 0.00 0.00 04:11:01 eth0 135.15 111.64 494.37 23.28 0.00 0.00 0.00 04:11:01 vethabf357e 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 92.14 98.50 7.01 463.03 0.00 0.00 0.00 04:12:01 eth0 141.91 101.20 1698.21 116.34 0.00 0.00 0.00 04:12:01 veth3bfb583 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 vethae04668 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:02 veth3443e29 0.00 0.46 0.00 0.02 0.00 0.00 0.00 04:13:02 eth0 3104.90 2426.70 15481.42 3062.58 0.00 0.00 0.00 04:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:02 docker0 918.09 735.97 74.16 3571.37 0.00 0.00 0.00 04:14:01 vethd8fef79 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:14:01 veth76d9348 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:14:01 veth3443e29 0.00 0.47 0.00 0.02 0.00 0.00 0.00 04:14:01 eth0 3219.23 2515.30 15949.03 3197.90 0.00 0.00 0.00 04:15:02 veth3443e29 0.00 0.20 0.00 0.01 0.00 0.00 0.00 04:15:02 eth0 126.14 79.82 505.52 66.40 0.00 0.00 0.00 04:15:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:15:02 docker0 962.57 806.74 76.80 4068.17 0.00 0.00 0.00 04:16:01 veth34edc3d 0.00 0.12 0.00 0.01 0.00 0.00 0.00 04:16:01 veth9ca1feb 3.08 4.23 0.48 20.56 0.00 0.00 0.00 04:16:01 veth3443e29 0.00 0.69 0.00 0.03 0.00 0.00 0.00 04:16:01 eth0 3390.01 2621.55 16508.91 3319.60 0.00 0.00 0.00 04:17:01 veth3443e29 0.00 0.25 0.00 0.01 0.00 0.00 0.00 04:17:01 eth0 98.89 71.84 220.00 61.66 0.00 0.00 0.00 04:17:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:17:01 docker0 986.47 835.70 78.58 4257.03 0.00 0.00 0.00 04:18:02 eth0 25.90 15.00 49.96 9.00 0.00 0.00 0.00 04:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:02 docker0 3.80 5.48 0.22 32.27 0.00 0.00 0.00 04:19:01 eth0 0.17 0.10 0.08 0.07 0.00 0.00 0.00 04:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 eth0 0.43 0.32 0.26 0.20 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 04:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 eth0 0.20 0.18 0.07 0.01 0.00 0.00 0.00 04:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 04:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 eth0 0.27 0.20 0.08 0.07 0.00 0.00 0.00 04:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:25:01 eth0 0.73 0.20 0.12 0.01 0.00 0.00 0.00 04:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:26:01 eth0 0.40 0.38 0.26 0.21 0.00 0.00 0.00 04:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:27:01 eth0 123.39 88.22 2334.26 46.19 0.00 0.00 0.00 04:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 189.00 145.38 995.06 179.04 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 52.28 44.41 4.16 226.43 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) 08/18/20 _x86_64_ (4 CPU) 04:07:39 LINUX RESTART 04:08:01 CPU %user %nice %system %iowait %steal %idle 04:09:02 all 23.06 0.00 10.16 5.81 0.02 60.95 04:09:02 0 22.20 0.00 12.49 7.75 0.02 57.54 04:09:02 1 21.37 0.00 8.77 5.17 0.02 64.67 04:09:02 2 25.62 0.00 8.82 5.80 0.02 59.74 04:09:02 3 23.05 0.00 10.60 4.50 0.02 61.83 04:10:01 all 19.10 0.00 9.34 3.66 0.04 67.87 04:10:01 0 22.04 0.00 11.06 5.05 0.03 61.81 04:10:01 1 13.26 0.00 8.57 3.34 0.03 74.80 04:10:01 2 25.94 0.00 9.02 2.59 0.03 62.42 04:10:01 3 15.13 0.00 8.73 3.66 0.05 72.43 04:11:01 all 42.44 0.00 13.26 9.56 0.03 34.72 04:11:01 0 42.51 0.00 13.29 7.59 0.02 36.59 04:11:01 1 43.22 0.00 13.19 11.86 0.03 31.70 04:11:01 2 41.35 0.00 13.49 8.46 0.03 36.67 04:11:01 3 42.69 0.00 13.03 10.35 0.03 33.90 04:12:01 all 26.01 0.00 9.92 3.03 0.03 61.01 04:12:01 0 26.67 0.00 9.80 1.37 0.05 62.12 04:12:01 1 25.46 0.00 9.61 3.84 0.03 61.06 04:12:01 2 25.46 0.00 10.48 3.85 0.02 60.19 04:12:01 3 26.46 0.00 9.78 3.03 0.02 60.71 04:13:02 all 17.82 0.00 24.94 24.47 0.06 32.71 04:13:02 0 17.82 0.00 24.18 24.33 0.03 33.63 04:13:02 1 16.81 0.00 24.70 24.75 0.09 33.66 04:13:02 2 18.33 0.00 25.17 26.45 0.05 30.00 04:13:02 3 18.30 0.00 25.75 22.35 0.03 33.56 04:14:01 all 59.42 0.00 18.29 12.52 0.04 9.73 04:14:01 0 58.45 0.00 18.79 12.15 0.05 10.57 04:14:01 1 59.45 0.00 18.39 13.52 0.03 8.60 04:14:01 2 59.76 0.00 17.88 11.64 0.03 10.69 04:14:01 3 60.07 0.00 18.06 12.81 0.02 9.04 04:15:02 all 15.43 0.00 17.06 35.87 0.03 31.62 04:15:02 0 14.69 0.00 15.72 35.36 0.05 34.18 04:15:02 1 16.04 0.00 18.24 32.84 0.05 32.83 04:15:02 2 16.73 0.00 17.29 34.84 0.03 31.11 04:15:02 3 14.23 0.00 17.00 40.43 0.03 28.30 04:16:01 all 30.53 0.00 19.12 30.26 0.07 20.01 04:16:01 0 29.99 0.00 19.13 27.70 0.10 23.08 04:16:01 1 30.67 0.00 19.15 31.31 0.07 18.79 04:16:01 2 30.12 0.00 19.89 27.37 0.05 22.56 04:16:01 3 31.38 0.00 18.27 34.72 0.05 15.57 04:17:01 all 25.32 0.00 14.45 28.70 0.03 31.51 04:17:01 0 25.77 0.00 14.56 25.97 0.03 33.67 04:17:01 1 24.62 0.00 14.74 30.81 0.03 29.79 04:17:01 2 25.57 0.00 14.95 30.21 0.03 29.23 04:17:01 3 25.30 0.00 13.55 27.78 0.02 33.36 04:18:02 all 8.38 0.00 4.29 2.83 0.01 84.49 04:18:02 0 8.39 0.00 4.38 2.48 0.00 84.74 04:18:02 1 9.14 0.00 4.24 3.08 0.00 83.55 04:18:02 2 8.22 0.00 4.53 3.14 0.02 84.10 04:18:02 3 7.78 0.00 3.98 2.62 0.02 85.61 04:19:01 all 0.03 0.00 0.04 0.00 0.00 99.92 04:19:01 0 0.03 0.00 0.03 0.02 0.00 99.92 04:19:01 1 0.05 0.00 0.03 0.00 0.00 99.91 04:19:01 2 0.02 0.00 0.02 0.02 0.00 99.95 04:19:01 3 0.05 0.00 0.08 0.00 0.00 99.86 04:20:01 all 0.15 0.00 0.03 0.01 0.00 99.81 04:20:01 0 0.02 0.00 0.02 0.02 0.02 99.93 04:20:01 1 0.48 0.00 0.05 0.02 0.00 99.45 04:20:01 2 0.03 0.00 0.02 0.02 0.00 99.93 04:20:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:21:01 all 0.15 0.00 0.02 0.00 0.00 99.84 04:21:01 0 0.02 0.00 0.00 0.00 0.00 99.98 04:21:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:21:01 2 0.00 0.00 0.02 0.00 0.00 99.98 04:21:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:22:01 all 0.09 0.00 0.03 0.00 0.00 99.88 04:22:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:22:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:22:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:22:01 3 0.27 0.00 0.02 0.00 0.00 99.72 04:23:01 all 0.02 0.00 0.05 0.03 0.00 99.90 04:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:23:01 1 0.03 0.00 0.05 0.02 0.00 99.90 04:23:01 2 0.02 0.00 0.05 0.00 0.00 99.93 04:23:01 3 0.02 0.00 0.10 0.08 0.00 99.80 04:24:01 all 0.13 0.00 0.03 0.01 0.00 99.82 04:24:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:24:01 1 0.03 0.00 0.03 0.03 0.00 99.90 04:24:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:24:01 3 0.38 0.00 0.05 0.00 0.00 99.57 04:25:01 all 0.16 0.00 0.03 0.00 0.00 99.81 04:25:01 0 0.05 0.00 0.02 0.00 0.00 99.93 04:25:01 1 0.07 0.00 0.05 0.00 0.00 99.88 04:25:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:25:01 3 0.50 0.00 0.02 0.00 0.00 99.48 04:26:01 all 0.16 0.00 0.03 0.00 0.00 99.80 04:26:01 0 0.05 0.00 0.05 0.00 0.00 99.90 04:26:01 1 0.03 0.00 0.05 0.00 0.00 99.92 04:26:01 2 0.03 0.00 0.03 0.02 0.00 99.92 04:26:01 3 0.53 0.00 0.02 0.00 0.00 99.45 04:27:01 all 5.20 0.00 3.25 3.81 0.01 87.72 04:27:01 0 4.49 0.00 2.83 1.58 0.00 91.10 04:27:01 1 4.99 0.00 3.03 5.17 0.00 86.81 04:27:01 2 5.57 0.00 4.13 4.47 0.02 85.81 04:27:01 3 5.76 0.00 3.03 4.00 0.03 87.17 Average: all 14.24 0.00 7.52 8.36 0.02 69.86 Average: 0 14.24 0.00 7.63 7.89 0.02 70.22 Average: 1 13.87 0.00 7.45 8.64 0.02 70.01 Average: 2 14.73 0.00 7.60 8.28 0.02 69.37 Average: 3 14.13 0.00 7.38 8.62 0.02 69.84