---> uname -a: Linux 5054c6646d81 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 12.5G 37.5G 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 12.5G 37.5G 25% /etc/resolv.conf /dev/vda1 50.0G 12.5G 37.5G 25% /etc/hostname /dev/vda1 50.0G 12.5G 37.5G 25% /etc/hosts /dev/vda1 50.0G 12.5G 37.5G 25% /var/log/sa /dev/vda1 50.0G 12.5G 37.5G 25% /w/workspace/edgex-go/17 /dev/vda1 50.0G 12.5G 37.5G 25% /w/workspace/edgex-go/17@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 626 113 0 1097 1124 Swap: 1023 74 949 ---> 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) 08/18/20 _x86_64_ (4 CPU) 00:29:22 LINUX RESTART 00:30:01 tps rtps wtps bread/s bwrtn/s 00:31:01 105.91 42.08 63.83 7877.23 20591.49 00:32:01 457.73 235.44 222.29 8504.14 76959.61 00:33:01 355.72 228.44 127.29 9896.57 26801.03 00:34:01 967.65 719.13 248.52 93276.69 176028.76 00:35:02 2622.02 2297.90 324.12 149810.64 155017.79 00:36:02 717.37 429.74 287.63 77621.11 107431.85 00:37:03 1851.25 1512.88 338.37 91278.50 101058.45 00:38:01 1351.54 1078.86 272.68 52084.83 67141.45 00:39:01 35.58 20.66 14.92 3393.37 876.86 00:40:01 0.98 0.70 0.28 23.32 4.38 00:41:01 0.25 0.02 0.23 0.53 2.97 00:42:01 0.28 0.00 0.28 0.00 3.00 00:43:01 0.25 0.00 0.25 0.00 2.60 00:44:01 0.20 0.00 0.20 0.00 1.62 00:45:01 1.92 1.70 0.22 53.69 3.38 00:46:01 0.88 0.05 0.83 1.60 15.16 00:47:01 0.32 0.03 0.28 0.40 3.38 00:48:01 0.47 0.00 0.47 0.00 5.90 00:49:01 0.30 0.00 0.30 0.00 4.76 00:50:01 3.95 3.05 0.90 361.57 28.23 00:51:01 0.38 0.03 0.35 0.80 5.38 Average: 404.04 313.36 90.68 23585.61 34911.67 00:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:31:01 324820 1556736 82.74 2620 964584 1103952 37.68 570116 829220 120 00:32:01 300956 1580600 84.00 1492 906848 1107992 37.81 548132 792152 8 00:33:01 396128 1485428 78.95 572 790572 1360840 46.44 609680 635928 31764 00:34:01 585056 1296500 68.91 0 677400 1278928 43.65 482188 653744 68 00:35:02 301600 1579956 83.97 0 499480 3313412 113.08 726196 638960 9668 00:36:02 71412 1810144 96.20 0 1122924 1736960 59.28 718128 905728 9220 00:37:03 78908 1802648 95.81 0 1095368 1928688 65.82 575984 1016276 0 00:38:01 352100 1529456 81.29 0 873132 1974180 67.38 433076 902300 0 00:39:01 643364 1238192 65.81 0 682144 1163384 39.70 323436 728540 16 00:40:01 645152 1236404 65.71 0 682724 1143900 39.04 322900 728132 16 00:41:01 645348 1236208 65.70 0 682720 1143900 39.04 322784 728184 8 00:42:01 645880 1235676 65.67 0 682744 1143840 39.04 322652 728196 12 00:43:01 645912 1235644 65.67 0 682752 1143840 39.04 322532 728196 8 00:44:01 646084 1235472 65.66 0 682760 1143840 39.04 322660 728196 8 00:45:01 643792 1237764 65.78 0 683656 1143924 39.04 323640 728272 24 00:46:01 644212 1237344 65.76 0 683652 1143900 39.04 323568 728272 12 00:47:01 644252 1237304 65.76 0 683672 1143840 39.04 323540 728300 12 00:48:01 643988 1237568 65.77 0 683680 1143840 39.04 323428 728300 8 00:49:01 644244 1237312 65.76 0 683688 1143840 39.04 323420 728300 8 00:50:01 627884 1253672 66.63 0 694412 1155828 39.45 327544 739288 8 00:51:01 627868 1253688 66.63 0 694412 1155804 39.45 327480 739300 8 Average: 512331 1369225 72.77 223 753968 1367554 46.67 422528 755418 2428 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:31:01 eth0 1933.06 1608.32 5921.65 1926.30 0.00 0.00 0.00 00:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 docker0 865.00 798.55 69.36 2659.11 0.00 0.00 0.00 00:32:01 eth0 872.70 601.10 7271.93 1004.34 0.00 0.00 0.00 00:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 docker0 105.42 130.84 7.65 728.05 0.00 0.00 0.00 00:33:01 eth0 54.28 33.99 40.24 77.22 0.00 0.00 0.00 00:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 veth2ccc6b8 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:33:01 docker0 970.15 929.15 76.99 3386.40 0.00 0.00 0.00 00:34:01 veth54301f9 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:34:01 eth0 3148.49 2414.81 15430.91 3092.03 0.00 0.00 0.00 00:34:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:02 vethfa0249d 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:35:02 vethe4e5a39 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:35:02 veth54301f9 0.00 0.43 0.00 0.02 0.00 0.00 0.00 00:35:02 eth0 3180.68 2432.28 15522.94 3088.62 0.00 0.00 0.00 00:36:02 veth54301f9 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:36:02 eth0 58.87 37.84 107.94 63.99 0.00 0.00 0.00 00:36:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:36:02 vethe86d359 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:03 veth4b5ac61 0.00 0.20 0.00 0.01 0.00 0.00 0.00 00:37:03 vethd036792 3.58 4.02 0.49 19.73 0.00 0.00 0.00 00:37:03 veth54301f9 0.00 0.69 0.00 0.03 0.00 0.00 0.00 00:37:03 eth0 3340.09 2528.77 15981.49 3200.82 0.00 0.00 0.00 00:38:01 veth54301f9 0.00 0.17 0.00 0.01 0.00 0.00 0.00 00:38:01 eth0 79.72 51.69 176.13 68.63 0.00 0.00 0.00 00:38:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:38:01 veth657a6f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 eth0 6.64 4.08 6.55 2.82 0.00 0.00 0.00 00:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 docker0 1040.90 1046.76 81.13 4140.79 0.00 0.00 0.00 00:40:01 eth0 0.23 0.15 0.08 0.07 0.00 0.00 0.00 00:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:41:01 eth0 0.30 0.25 0.16 0.02 0.00 0.00 0.00 00:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 00:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 eth0 0.13 0.12 0.08 0.07 0.00 0.00 0.00 00:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 eth0 0.20 0.13 0.07 0.01 0.00 0.00 0.00 00:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 00:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 00:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 00:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 eth0 7.64 4.48 7.37 3.20 0.00 0.00 0.00 00:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 eth0 1.30 0.82 0.98 0.52 0.00 0.00 0.00 00:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 157.43 120.52 756.06 156.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 49.60 49.88 3.87 197.32 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) 00:29:22 LINUX RESTART 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:31:01 all 17.83 0.00 5.24 2.48 0.06 74.38 00:31:01 0 16.33 0.00 7.25 2.05 0.07 74.31 00:31:01 1 14.12 0.00 3.49 1.20 0.05 81.14 00:31:01 2 25.42 0.00 5.13 2.40 0.05 67.01 00:31:01 3 15.37 0.00 5.13 4.30 0.07 75.13 00:32:01 all 16.42 0.00 9.08 6.06 0.14 68.31 00:32:01 0 20.06 0.00 9.87 4.98 0.19 64.90 00:32:01 1 13.84 0.00 8.30 3.78 0.19 73.90 00:32:01 2 15.77 0.00 9.35 11.24 0.09 63.56 00:32:01 3 16.01 0.00 8.81 4.26 0.10 70.82 00:33:01 all 51.65 0.00 12.27 7.13 0.08 28.86 00:33:01 0 52.78 0.00 12.22 5.74 0.07 29.19 00:33:01 1 53.44 0.00 12.19 7.96 0.08 26.33 00:33:01 2 51.45 0.00 12.66 6.86 0.07 28.97 00:33:01 3 48.91 0.00 11.99 8.00 0.10 31.00 00:34:01 all 22.11 0.00 15.69 10.79 0.14 51.27 00:34:01 0 19.66 0.00 14.75 10.17 0.15 55.27 00:34:01 1 23.65 0.00 16.34 10.99 0.17 48.85 00:34:01 2 24.70 0.00 16.00 12.70 0.07 46.53 00:34:01 3 20.43 0.00 15.69 9.29 0.15 54.44 00:35:02 all 29.37 0.00 21.78 28.50 0.31 20.05 00:35:02 0 28.86 0.00 21.17 29.24 0.31 20.42 00:35:02 1 29.49 0.00 21.84 28.80 0.28 19.59 00:35:02 2 29.22 0.00 22.19 29.92 0.31 18.35 00:35:02 3 29.92 0.00 21.90 25.97 0.31 21.88 00:36:02 all 44.13 0.00 14.50 21.28 0.10 19.99 00:36:02 0 43.96 0.00 14.24 20.42 0.12 21.25 00:36:02 1 43.75 0.00 14.01 19.02 0.09 23.13 00:36:02 2 44.17 0.00 14.78 26.16 0.12 14.76 00:36:02 3 44.60 0.00 14.96 19.50 0.07 20.87 00:37:03 all 44.37 0.00 18.70 25.29 0.20 11.45 00:37:03 0 43.72 0.00 19.03 25.28 0.22 11.75 00:37:03 1 44.97 0.00 18.52 27.08 0.22 9.22 00:37:03 2 43.07 0.00 19.14 26.38 0.19 11.23 00:37:03 3 45.72 0.00 18.09 22.38 0.20 13.60 00:38:01 all 18.60 0.00 12.53 21.85 0.14 46.88 00:38:01 0 19.14 0.00 12.41 22.78 0.18 45.50 00:38:01 1 17.07 0.00 12.02 20.65 0.12 50.13 00:38:01 2 19.35 0.00 13.32 23.02 0.12 44.18 00:38:01 3 18.82 0.00 12.38 20.94 0.16 47.69 00:39:01 all 0.66 0.00 0.72 0.40 0.00 98.22 00:39:01 0 0.75 0.00 0.87 0.13 0.00 98.25 00:39:01 1 0.52 0.00 0.45 0.22 0.00 98.81 00:39:01 2 0.60 0.00 0.70 0.28 0.00 98.41 00:39:01 3 0.75 0.00 0.85 0.95 0.00 97.45 00:40:01 all 0.16 0.00 0.03 0.01 0.00 99.80 00:40:01 0 0.53 0.00 0.03 0.00 0.00 99.43 00:40:01 1 0.03 0.00 0.03 0.00 0.02 99.92 00:40:01 2 0.08 0.00 0.03 0.02 0.00 99.87 00:40:01 3 0.03 0.00 0.03 0.02 0.02 99.90 00:41:01 all 0.16 0.00 0.02 0.00 0.00 99.82 00:41:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:41:01 1 0.02 0.00 0.03 0.00 0.00 99.95 00:41:01 2 0.08 0.00 0.05 0.00 0.00 99.87 00:41:01 3 0.02 0.00 0.00 0.00 0.00 99.98 00:42:01 all 0.15 0.00 0.02 0.00 0.00 99.83 00:42:01 0 0.52 0.00 0.03 0.00 0.00 99.45 00:42:01 1 0.00 0.00 0.00 0.00 0.00 100.00 00:42:01 2 0.02 0.00 0.02 0.00 0.00 99.97 00:42:01 3 0.05 0.00 0.03 0.00 0.00 99.92 00:43:01 all 0.16 0.00 0.03 0.00 0.00 99.81 00:43:01 0 0.53 0.00 0.05 0.00 0.00 99.42 00:43:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:43:01 2 0.05 0.00 0.02 0.00 0.00 99.93 00:43:01 3 0.07 0.00 0.03 0.00 0.00 99.90 00:44:01 all 0.15 0.00 0.02 0.00 0.00 99.83 00:44:01 0 0.53 0.00 0.02 0.00 0.00 99.45 00:44:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 00:44:01 3 0.00 0.00 0.02 0.00 0.00 99.98 00:45:01 all 0.17 0.00 0.05 0.02 0.00 99.75 00:45:01 0 0.52 0.00 0.08 0.10 0.00 99.30 00:45:01 1 0.05 0.00 0.02 0.00 0.00 99.93 00:45:01 2 0.08 0.00 0.05 0.00 0.00 99.87 00:45:01 3 0.02 0.00 0.03 0.00 0.00 99.95 00:46:01 all 0.15 0.00 0.02 0.00 0.00 99.83 00:46:01 0 0.53 0.00 0.02 0.00 0.00 99.45 00:46:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:46:01 2 0.07 0.00 0.03 0.00 0.00 99.90 00:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:47:01 all 0.16 0.00 0.02 0.00 0.00 99.81 00:47:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:47:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:47:01 2 0.07 0.00 0.05 0.00 0.02 99.87 00:47:01 3 0.05 0.00 0.02 0.00 0.00 99.93 00:48:01 all 0.08 0.00 0.03 0.00 0.00 99.89 00:48:01 0 0.07 0.00 0.02 0.00 0.00 99.92 00:48:01 1 0.02 0.00 0.00 0.00 0.00 99.98 00:48:01 2 0.20 0.00 0.07 0.00 0.00 99.73 00:48:01 3 0.02 0.00 0.03 0.00 0.00 99.95 00:49:01 all 0.04 0.00 0.03 0.00 0.00 99.94 00:49:01 0 0.00 0.00 0.03 0.00 0.00 99.97 00:49:01 1 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 3 0.05 0.00 0.03 0.00 0.00 99.92 00:50:01 all 0.25 0.00 0.08 0.09 0.00 99.57 00:50:01 0 0.13 0.00 0.05 0.00 0.00 99.82 00:50:01 1 0.20 0.00 0.08 0.18 0.00 99.53 00:50:01 2 0.58 0.00 0.05 0.00 0.00 99.37 00:50:01 3 0.08 0.00 0.10 0.18 0.02 99.62 00:51:01 all 0.18 0.00 0.04 0.00 0.00 99.78 00:51:01 0 0.02 0.00 0.03 0.00 0.00 99.95 00:51:01 1 0.08 0.00 0.05 0.00 0.02 99.85 00:51:01 2 0.57 0.00 0.05 0.00 0.00 99.38 00:51:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 11.59 0.00 5.19 5.78 0.06 77.39 Average: 0 11.71 0.00 5.25 5.64 0.06 77.33 Average: 1 11.34 0.00 5.03 5.60 0.06 77.97 Average: 2 12.02 0.00 5.33 6.49 0.05 76.10 Average: 3 11.28 0.00 5.14 5.38 0.06 78.14