---> uname -a: Linux a091338888ea 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/5 /dev/vda1 50.0G 12.6G 37.4G 25% /w/workspace/edgex-go/5@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 114 0 1076 1106 Swap: 1023 92 931 ---> 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 110: eth0@if111: 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) 07/23/20 _x86_64_ (4 CPU) 04:29:44 LINUX RESTART 04:30:01 tps rtps wtps bread/s bwrtn/s 04:31:02 184.37 87.27 97.10 10793.77 45569.84 04:32:01 336.14 222.42 113.72 8931.17 55230.81 04:33:01 334.71 176.86 157.86 8553.95 33796.01 04:34:01 309.69 156.28 153.40 6632.19 29635.25 04:35:02 283.15 100.93 182.23 32391.60 109714.58 04:36:01 2564.99 2209.36 355.62 196190.86 195946.92 04:37:02 1443.55 1144.08 299.47 68781.99 84383.71 04:38:01 1648.37 1301.35 347.02 115903.47 150632.88 04:39:01 1647.53 1337.01 310.52 79206.25 97171.60 04:40:01 121.67 14.34 107.33 3183.48 7683.21 04:41:01 1.88 0.20 1.68 2.00 22.50 04:42:01 0.82 0.03 0.78 0.27 9.24 04:43:01 0.62 0.15 0.47 3.86 5.28 04:44:01 0.17 0.02 0.15 0.27 1.73 04:45:02 1.98 1.75 0.23 63.01 3.43 04:46:01 0.93 0.10 0.83 2.17 15.29 04:47:01 0.30 0.03 0.27 0.27 3.46 04:48:01 0.63 0.02 0.62 0.13 7.01 04:49:01 0.28 0.02 0.27 0.13 2.90 04:50:01 0.32 0.02 0.30 0.13 3.81 04:51:01 1.22 0.75 0.47 173.48 5.75 04:52:01 5.81 5.50 0.32 521.30 19.20 Average: 403.12 306.35 96.77 24077.13 36742.72 04:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:31:02 74928 1806628 96.02 2620 1191336 1314340 44.86 526424 1114868 74072 04:32:01 67944 1813612 96.39 1492 1103592 1554900 53.07 697792 923264 95608 04:33:01 125020 1756536 93.36 1468 1004684 1734020 59.18 717360 804872 49544 04:34:01 270232 1611324 85.64 456 898612 1219552 41.62 593780 748352 32 04:35:02 66472 1815084 96.47 24 991904 2305212 78.67 757216 881388 65868 04:36:01 72464 1809092 96.15 0 946288 3224360 110.04 644764 972572 74388 04:37:02 531592 1349964 71.75 0 712964 1351088 46.11 473396 680764 8 04:38:01 107132 1774424 94.31 0 941864 2533328 86.46 769276 819092 34816 04:39:01 522856 1358700 72.21 0 728192 1501204 51.23 557952 606396 24 04:40:01 466668 1414888 75.20 0 840240 1198052 40.89 508616 705448 8 04:41:01 471036 1410520 74.97 0 840244 1173068 40.03 506072 704768 8 04:42:01 471824 1409732 74.92 0 840320 1164844 39.75 505472 704632 16 04:43:01 472160 1409396 74.91 0 840260 1161760 39.65 505280 704652 20 04:44:01 472472 1409084 74.89 0 840272 1161760 39.65 505176 704664 8 04:45:02 470444 1411112 75.00 0 841520 1161760 39.65 505676 705392 16 04:46:01 470356 1411200 75.00 0 841528 1161844 39.65 505652 705416 16 04:47:01 470436 1411120 75.00 0 841536 1161760 39.65 505824 705424 8 04:48:01 470460 1411096 75.00 0 841548 1161760 39.65 505704 705436 8 04:49:01 470660 1410896 74.99 0 841556 1161760 39.65 505836 705436 8 04:50:01 470288 1411268 75.01 0 841560 1161760 39.65 505836 705440 8 04:51:01 462448 1419108 75.42 0 846356 1161832 39.65 510732 707940 8 04:52:01 440028 1441528 76.61 0 861224 1163292 39.70 513368 722632 20 Average: 359905 1521651 80.87 275 885345 1449693 49.48 560327 760857 17932 04:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:31:02 eth0 1292.43 1122.87 4921.92 143.11 0.00 0.00 0.00 04:31:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:31:02 veth14ec6d2 438.80 387.35 41.72 1275.97 0.00 0.00 0.00 04:31:02 docker0 438.80 387.22 35.72 1275.96 0.00 0.00 0.00 04:32:01 eth0 1547.88 1112.44 7104.04 2844.12 0.00 0.00 0.00 04:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:32:01 docker0 467.38 403.27 36.00 1404.02 0.00 0.00 0.00 04:33:01 veth54d80c6 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:33:01 eth0 3234.15 2525.25 13781.61 2997.22 0.00 0.00 0.00 04:33:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:33:01 docker0 1042.38 947.35 81.17 3384.43 0.00 0.00 0.00 04:34:01 veth54d80c6 0.07 0.07 0.00 0.01 0.00 0.00 0.00 04:34:01 eth0 65.04 38.06 597.45 17.50 0.00 0.00 0.00 04:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:34:01 docker0 0.07 0.07 0.00 0.01 0.00 0.00 0.00 04:35:02 vethad6aa3c 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:35:02 eth0 113.27 76.24 1645.67 89.69 0.00 0.00 0.00 04:35:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 vethad6aa3c 0.00 0.12 0.00 0.00 0.00 0.00 0.00 04:36:01 eth0 77.61 54.93 173.08 53.15 0.00 0.00 0.00 04:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 vethfa83914 0.00 0.12 0.00 0.01 0.00 0.00 0.00 04:37:02 vethad6aa3c 0.00 0.08 0.00 0.00 0.00 0.00 0.00 04:37:02 eth0 62.24 43.30 91.64 80.82 0.00 0.00 0.00 04:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:02 docker0 1074.40 989.04 82.85 3587.76 0.00 0.00 0.00 04:38:01 vethad6aa3c 0.00 0.17 0.00 0.01 0.00 0.00 0.00 04:38:01 eth0 66.32 38.03 175.35 19.98 0.00 0.00 0.00 04:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:38:01 vethfe42709 0.00 0.27 0.00 0.02 0.00 0.00 0.00 04:39:01 veth6bc3064 2.28 4.69 0.16 32.41 0.00 0.00 0.00 04:39:01 vethad6aa3c 0.00 0.60 0.00 0.03 0.00 0.00 0.00 04:39:01 eth0 3683.71 2813.15 16608.01 3325.16 0.00 0.00 0.00 04:39:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:40:01 eth0 105.60 67.64 397.33 67.92 0.00 0.00 0.00 04:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 docker0 1125.96 1079.53 85.97 4172.75 0.00 0.00 0.00 04:41:01 eth0 0.20 0.17 0.08 0.04 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 eth0 0.22 0.17 0.07 0.04 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 eth0 0.12 0.07 0.01 0.01 0.00 0.00 0.00 04:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 eth0 0.13 0.10 0.01 0.01 0.00 0.00 0.00 04:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:02 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 04:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 eth0 0.30 0.24 0.14 0.08 0.00 0.00 0.00 04:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 04:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 04:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 1.37 0.15 0.24 0.07 0.00 0.00 0.00 04:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 eth0 3.51 2.36 4.39 1.31 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 171.64 130.84 774.14 154.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 51.27 49.16 3.91 190.00 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) 07/23/20 _x86_64_ (4 CPU) 04:29:44 LINUX RESTART 04:30:01 CPU %user %nice %system %iowait %steal %idle 04:31:02 all 18.33 0.00 9.71 10.67 0.05 61.24 04:31:02 0 20.86 0.00 11.73 11.21 0.03 56.17 04:31:02 1 18.33 0.00 9.23 9.52 0.08 62.83 04:31:02 2 17.11 0.00 9.20 11.24 0.03 62.43 04:31:02 3 17.06 0.00 8.66 10.70 0.07 63.51 04:32:01 all 20.81 0.00 7.70 1.97 0.04 69.48 04:32:01 0 18.00 0.00 8.38 1.09 0.05 72.48 04:32:01 1 20.62 0.00 6.75 2.23 0.03 70.37 04:32:01 2 29.67 0.00 7.35 1.38 0.05 61.55 04:32:01 3 14.87 0.00 8.35 3.15 0.02 73.62 04:33:01 all 17.51 0.00 8.13 6.02 0.05 68.28 04:33:01 0 17.41 0.00 9.54 4.58 0.05 68.43 04:33:01 1 17.90 0.00 7.39 6.06 0.05 68.60 04:33:01 2 17.22 0.00 8.11 5.92 0.02 68.74 04:33:01 3 17.54 0.00 7.51 7.53 0.08 67.34 04:34:01 all 41.30 0.00 11.84 5.83 0.04 40.99 04:34:01 0 45.49 0.00 12.57 7.97 0.03 33.94 04:34:01 1 40.92 0.00 10.79 5.77 0.03 42.49 04:34:01 2 39.30 0.00 11.54 5.92 0.07 43.17 04:34:01 3 39.46 0.00 12.47 3.65 0.05 44.37 04:35:02 all 22.57 0.00 13.52 4.44 0.12 59.34 04:35:02 0 22.59 0.00 13.50 4.65 0.10 59.16 04:35:02 1 21.82 0.00 13.07 7.12 0.13 57.86 04:35:02 2 20.85 0.00 13.54 3.27 0.10 62.25 04:35:02 3 25.06 0.00 13.95 2.75 0.12 58.12 04:36:01 all 21.35 0.00 23.89 23.76 0.28 30.73 04:36:01 0 21.17 0.00 24.14 21.22 0.32 33.15 04:36:01 1 21.26 0.00 24.63 26.52 0.25 27.35 04:36:01 2 21.99 0.00 22.62 21.68 0.30 33.41 04:36:01 3 20.95 0.00 24.15 25.62 0.27 29.02 04:37:02 all 56.76 0.00 19.20 16.56 0.11 7.38 04:37:02 0 55.58 0.00 19.59 16.10 0.12 8.62 04:37:02 1 55.59 0.00 20.20 17.64 0.10 6.46 04:37:02 2 57.86 0.00 18.42 17.72 0.12 5.89 04:37:02 3 58.00 0.00 18.59 14.77 0.09 8.56 04:38:01 all 30.18 0.00 20.62 28.31 0.18 20.71 04:38:01 0 30.57 0.00 20.54 27.25 0.19 21.44 04:38:01 1 30.21 0.00 20.44 27.28 0.14 21.94 04:38:01 2 29.90 0.00 20.26 28.63 0.21 21.01 04:38:01 3 30.04 0.00 21.23 30.12 0.18 18.43 04:39:01 all 40.11 0.00 18.31 19.90 0.12 21.55 04:39:01 0 39.89 0.00 18.51 20.77 0.10 20.73 04:39:01 1 40.59 0.00 18.08 19.68 0.15 21.50 04:39:01 2 41.01 0.00 18.10 19.11 0.14 21.64 04:39:01 3 38.95 0.00 18.57 20.03 0.12 22.33 04:40:01 all 5.08 0.00 3.30 4.55 0.00 87.07 04:40:01 0 4.94 0.00 3.18 4.38 0.00 87.50 04:40:01 1 6.09 0.00 4.00 7.10 0.00 82.81 04:40:01 2 4.52 0.00 2.66 2.58 0.00 90.25 04:40:01 3 4.80 0.00 3.37 4.15 0.00 87.68 04:41:01 all 0.15 0.00 0.03 0.00 0.00 99.81 04:41:01 0 0.05 0.00 0.03 0.02 0.00 99.90 04:41:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:41:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:41:01 3 0.52 0.00 0.03 0.00 0.00 99.45 04:42:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:42:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:42:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:42:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:42:01 3 0.53 0.00 0.00 0.00 0.00 99.47 04:43:01 all 0.15 0.00 0.03 0.01 0.00 99.81 04:43:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:43:01 1 0.02 0.00 0.05 0.00 0.00 99.93 04:43:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:43:01 3 0.55 0.00 0.03 0.02 0.00 99.40 04:44:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:44:01 0 0.00 0.00 0.00 0.00 0.00 100.00 04:44:01 1 0.03 0.00 0.05 0.00 0.00 99.92 04:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:44:01 3 0.55 0.00 0.03 0.00 0.02 99.40 04:45:02 all 0.16 0.00 0.05 0.02 0.00 99.78 04:45:02 0 0.03 0.00 0.02 0.00 0.00 99.95 04:45:02 1 0.15 0.00 0.05 0.00 0.00 99.80 04:45:02 2 0.05 0.00 0.03 0.00 0.00 99.92 04:45:02 3 0.42 0.00 0.07 0.07 0.00 99.45 04:46:01 all 0.09 0.00 0.05 0.00 0.00 99.86 04:46:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:46:01 1 0.24 0.00 0.12 0.00 0.00 99.64 04:46:01 2 0.07 0.00 0.05 0.02 0.00 99.86 04:46:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:47:01 all 0.14 0.00 0.03 0.00 0.00 99.83 04:47:01 0 0.00 0.00 0.02 0.00 0.00 99.98 04:47:01 1 0.52 0.00 0.03 0.00 0.00 99.45 04:47:01 2 0.02 0.00 0.03 0.00 0.00 99.95 04:47:01 3 0.02 0.00 0.05 0.00 0.00 99.93 04:48:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:48:01 1 0.52 0.00 0.02 0.00 0.00 99.47 04:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:48:01 3 0.08 0.00 0.03 0.00 0.00 99.88 04:49:01 all 0.14 0.00 0.02 0.00 0.00 99.84 04:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:49:01 1 0.52 0.00 0.02 0.00 0.02 99.45 04:49:01 2 0.02 0.00 0.03 0.00 0.00 99.95 04:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:50:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:50:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:50:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:50:01 3 0.03 0.00 0.02 0.02 0.00 99.93 04:51:01 all 0.15 0.00 0.04 0.02 0.00 99.80 04:51:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:51:01 1 0.52 0.00 0.03 0.00 0.00 99.45 04:51:01 2 0.03 0.00 0.05 0.08 0.00 99.83 04:51:01 3 0.00 0.00 0.02 0.00 0.00 99.98 04:52:01 all 0.23 0.00 0.15 0.16 0.00 99.46 04:52:01 0 0.33 0.00 0.20 0.05 0.00 99.42 04:52:01 1 0.30 0.00 0.10 0.15 0.00 99.45 04:52:01 2 0.18 0.00 0.17 0.35 0.00 99.30 04:52:01 3 0.13 0.00 0.15 0.07 0.00 99.65 Average: all 12.35 0.00 6.10 5.44 0.04 76.07 Average: 0 12.41 0.00 6.34 5.32 0.04 75.88 Average: 1 12.41 0.00 6.03 5.75 0.04 75.76 Average: 2 12.54 0.00 5.91 5.25 0.05 76.27 Average: 3 12.05 0.00 6.11 5.43 0.04 76.36