---> uname -a: Linux 74ba63c59260 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 11.6G 38.4G 23% / 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 11.6G 38.4G 23% /etc/resolv.conf /dev/vda1 50.0G 11.6G 38.4G 23% /etc/hostname /dev/vda1 50.0G 11.6G 38.4G 23% /etc/hosts /dev/vda1 50.0G 11.6G 38.4G 23% /var/log/sa /dev/vda1 50.0G 11.6G 38.4G 23% /w/workspace/edgex-go/4 /dev/vda1 50.0G 11.6G 38.4G 23% /w/workspace/edgex-go/4@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 650 103 0 1083 1102 Swap: 1023 88 935 ---> 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) 08/11/20 _x86_64_ (4 CPU) 04:28:53 LINUX RESTART 04:30:03 tps rtps wtps bread/s bwrtn/s 04:31:01 113.25 61.93 51.32 8731.72 16549.61 04:32:01 338.07 216.75 121.32 7342.36 51835.91 04:33:01 347.93 167.15 180.78 7829.66 34858.88 04:34:01 164.66 87.63 77.03 4009.46 26755.64 04:35:07 1386.59 1089.51 297.08 116222.59 179850.88 04:36:02 2020.03 1774.77 245.26 129801.98 139778.39 04:37:01 883.04 559.00 324.03 58221.83 91225.29 04:38:02 1928.15 1602.91 325.23 121962.12 130924.01 04:39:01 894.30 625.68 268.62 39623.89 52752.58 04:40:01 1.95 0.63 1.32 21.31 20.06 04:41:01 0.30 0.12 0.18 3.73 2.15 04:42:01 0.25 0.00 0.25 0.00 3.08 04:43:01 0.25 0.00 0.25 0.00 2.60 04:44:01 1.85 1.62 0.23 57.15 3.93 04:45:01 1.12 0.42 0.70 140.71 13.56 04:46:01 0.28 0.00 0.28 0.00 3.63 04:47:01 0.32 0.00 0.32 0.00 4.08 04:48:01 0.18 0.02 0.17 0.53 1.77 04:49:01 2.90 2.61 0.28 403.40 18.28 Average: 423.24 323.25 99.98 26021.25 38425.21 04:30:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:31:01 308712 1572844 83.59 2620 959188 1121220 38.27 584324 830944 120 04:32:01 74476 1807080 96.04 1492 1077496 1525632 52.07 629200 972724 32456 04:33:01 327240 1554316 82.61 324 688140 1715688 58.55 701776 617332 36484 04:34:01 395892 1485664 78.96 324 802396 1120560 38.24 532976 718616 20 04:35:07 67784 1813772 96.40 0 1001184 2346184 80.07 670724 968588 70448 04:36:02 262412 1619144 86.05 0 487936 3571344 121.88 768492 637684 42248 04:37:01 268720 1612836 85.72 0 923344 1565372 53.42 673164 741964 5360 04:38:02 271328 1610228 85.58 0 776812 2987112 101.94 685152 718800 0 04:39:01 636800 1244756 66.16 0 658468 1261176 43.04 487808 555468 20 04:40:01 644856 1236700 65.73 0 659032 1183036 40.37 482696 554196 16 04:41:01 645940 1235616 65.67 0 659028 1173784 40.06 482000 554116 8 04:42:01 646368 1235188 65.65 0 659052 1170700 39.95 481900 554092 8 04:43:01 646488 1235068 65.64 0 659060 1170700 39.95 481764 554092 8 04:44:01 645056 1236500 65.72 0 660208 1170700 39.95 482392 554500 24 04:45:01 637724 1243832 66.11 0 664376 1170784 39.96 488320 555980 16 04:46:01 637576 1243980 66.11 0 664408 1170748 39.96 488288 555996 12 04:47:01 638144 1243412 66.08 0 664412 1170700 39.95 487884 555996 16 04:48:01 638152 1243404 66.08 0 664424 1170700 39.95 487876 556012 8 04:49:01 620960 1260596 67.00 0 676480 1182672 40.36 492084 568208 36 Average: 474454 1407102 74.78 251 737129 1523622 52.00 557306 648700 9858 04:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:31:01 eth0 1466.15 1499.88 3543.75 1624.44 0.00 0.00 0.00 04:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:31:01 docker0 1070.06 733.25 80.32 2745.48 0.00 0.00 0.00 04:32:01 eth0 735.27 458.16 5882.65 1324.88 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 56.64 67.24 3.02 359.91 0.00 0.00 0.00 04:33:01 vethe7ce13d 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:33:01 eth0 3153.46 2596.35 13784.65 3030.72 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 1156.95 852.50 86.03 3377.19 0.00 0.00 0.00 04:34:01 eth0 56.63 38.27 35.36 69.40 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:07 veth16456e8 0.00 0.36 0.00 0.02 0.00 0.00 0.00 04:35:07 eth0 3040.59 2480.69 14254.79 2871.83 0.00 0.00 0.00 04:35:07 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 04:35:07 docker0 1067.94 794.44 79.17 3207.47 0.00 0.00 0.00 04:36:02 veth16456e8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:02 veth01dfb91 0.00 0.15 0.00 0.01 0.00 0.00 0.00 04:36:02 eth0 3701.40 3016.38 17316.05 3490.72 0.00 0.00 0.00 04:36:02 veth4fee82f 0.00 0.15 0.00 0.01 0.00 0.00 0.00 04:37:01 veth16456e8 0.00 0.17 0.00 0.01 0.00 0.00 0.00 04:37:01 eth0 109.59 62.70 565.07 21.37 0.00 0.00 0.00 04:37:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:37:01 docker0 1221.62 942.49 89.87 4045.62 0.00 0.00 0.00 04:38:02 veth16456e8 0.00 0.18 0.00 0.01 0.00 0.00 0.00 04:38:02 vethe1daac7 0.00 0.20 0.00 0.01 0.00 0.00 0.00 04:38:02 vetha34c345 0.02 0.20 0.00 0.01 0.00 0.00 0.00 04:38:02 eth0 3532.83 2842.78 16293.30 3287.25 0.00 0.00 0.00 04:39:01 eth0 74.10 50.74 79.75 66.82 0.00 0.00 0.00 04:39:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:39:01 docker0 1244.43 969.62 91.55 4203.79 0.00 0.00 0.00 04:40:01 eth0 0.25 0.22 0.08 0.08 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 eth0 0.20 0.15 0.09 0.01 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 0.10 0.08 0.01 0.01 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 0.18 0.08 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 0.10 0.08 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 04:45:01 eth0 0.23 0.18 0.08 0.07 0.00 0.00 0.00 04:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 eth0 0.17 0.12 0.07 0.01 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 0.10 0.10 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 0.05 0.05 0.00 0.00 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 2.90 1.95 3.31 1.15 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 Average: eth0 153.57 128.97 709.56 174.59 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 64.60 50.34 4.75 218.23 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) 08/11/20 _x86_64_ (4 CPU) 04:28:53 LINUX RESTART 04:30:03 CPU %user %nice %system %iowait %steal %idle 04:31:01 all 16.25 0.00 5.98 2.03 0.17 75.56 04:31:01 0 19.80 0.00 8.35 1.18 0.20 70.48 04:31:01 1 15.47 0.00 4.76 4.76 0.14 74.86 04:31:01 2 16.27 0.00 5.57 0.80 0.19 77.17 04:31:01 3 13.50 0.00 5.28 1.41 0.14 79.67 04:32:01 all 12.66 0.00 7.23 2.50 0.13 77.48 04:32:01 0 14.70 0.00 7.71 0.63 0.10 76.85 04:32:01 1 10.99 0.00 6.75 3.37 0.19 78.71 04:32:01 2 13.83 0.00 7.71 3.68 0.10 74.68 04:32:01 3 11.10 0.00 6.76 2.31 0.14 79.70 04:33:01 all 34.31 0.00 12.63 8.38 0.14 44.54 04:33:01 0 33.56 0.00 13.16 10.55 0.12 42.60 04:33:01 1 33.42 0.00 12.81 8.81 0.17 44.79 04:33:01 2 34.35 0.00 12.46 7.50 0.16 45.53 04:33:01 3 35.92 0.00 12.06 6.66 0.12 45.23 04:34:01 all 38.62 0.00 11.78 2.32 0.95 46.34 04:34:01 0 39.58 0.00 11.31 2.32 1.04 45.75 04:34:01 1 40.49 0.00 12.66 2.83 0.96 43.06 04:34:01 2 36.37 0.00 11.89 2.43 0.85 48.46 04:34:01 3 38.03 0.00 11.28 1.68 0.93 48.07 04:35:07 all 20.83 0.00 23.53 16.52 0.57 38.56 04:35:07 0 21.96 0.00 23.13 15.68 0.54 38.68 04:35:07 1 20.24 0.00 24.22 18.12 0.62 36.80 04:35:07 2 19.60 0.00 23.24 16.00 0.62 40.54 04:35:07 3 21.51 0.00 23.49 16.27 0.48 38.25 04:36:02 all 51.72 0.00 23.28 13.87 0.86 10.27 04:36:02 0 51.71 0.00 23.60 13.65 0.87 10.18 04:36:02 1 51.24 0.00 23.62 14.65 0.91 9.58 04:36:02 2 51.65 0.00 23.11 12.99 0.87 11.37 04:36:02 3 52.25 0.00 22.84 14.18 0.79 9.94 04:37:01 all 28.17 0.00 18.88 23.29 0.51 29.14 04:37:01 0 27.04 0.00 18.98 22.81 0.46 30.72 04:37:01 1 28.88 0.00 17.94 26.47 0.51 26.19 04:37:01 2 27.94 0.00 19.48 24.90 0.53 27.15 04:37:01 3 28.86 0.00 19.14 18.95 0.53 32.52 04:38:02 all 39.87 0.00 24.92 20.81 0.58 13.81 04:38:02 0 39.63 0.00 23.44 21.86 0.65 14.42 04:38:02 1 40.11 0.00 24.14 22.16 0.70 12.89 04:38:02 2 39.49 0.00 25.89 20.18 0.51 13.93 04:38:02 3 40.24 0.00 26.22 19.03 0.51 14.00 04:39:01 all 37.09 0.00 16.95 13.33 0.35 32.27 04:39:01 0 36.95 0.00 17.44 14.83 0.36 30.42 04:39:01 1 37.18 0.00 16.43 12.13 0.34 33.92 04:39:01 2 36.56 0.00 17.21 12.98 0.42 32.82 04:39:01 3 37.67 0.00 16.71 13.41 0.29 31.92 04:40:01 all 0.13 0.00 0.05 0.01 0.00 99.81 04:40:01 0 0.05 0.00 0.07 0.02 0.00 99.87 04:40:01 1 0.42 0.00 0.03 0.00 0.02 99.53 04:40:01 2 0.07 0.00 0.07 0.00 0.00 99.87 04:40:01 3 0.02 0.00 0.03 0.02 0.00 99.93 04:41:01 all 0.16 0.00 0.02 0.00 0.00 99.81 04:41:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:41:01 1 0.48 0.00 0.02 0.00 0.00 99.50 04:41:01 2 0.07 0.00 0.05 0.02 0.00 99.87 04:41:01 3 0.05 0.00 0.00 0.00 0.00 99.95 04:42:01 all 0.13 0.00 0.03 0.00 0.00 99.84 04:42:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:42:01 1 0.47 0.00 0.03 0.00 0.00 99.50 04:42:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:42:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:43:01 all 0.14 0.00 0.02 0.00 0.00 99.84 04:43:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:43:01 1 0.45 0.00 0.03 0.00 0.00 99.52 04:43:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:44:01 all 0.15 0.00 0.05 0.02 0.00 99.78 04:44:01 0 0.05 0.00 0.07 0.08 0.00 99.80 04:44:01 1 0.52 0.00 0.00 0.00 0.00 99.48 04:44:01 2 0.05 0.00 0.07 0.00 0.00 99.88 04:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:45:01 all 0.09 0.00 0.03 0.00 0.00 99.87 04:45:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:45:01 1 0.28 0.00 0.03 0.00 0.00 99.68 04:45:01 2 0.03 0.00 0.07 0.03 0.02 99.85 04:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:46:01 all 0.08 0.00 0.03 0.00 0.00 99.89 04:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:46:01 1 0.23 0.00 0.03 0.00 0.00 99.73 04:46:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:46:01 3 0.02 0.00 0.02 0.00 0.02 99.95 04:47:01 all 0.15 0.00 0.03 0.00 0.00 99.82 04:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:47:01 1 0.50 0.00 0.02 0.00 0.00 99.48 04:47:01 2 0.05 0.00 0.07 0.00 0.00 99.88 04:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:48:01 all 0.15 0.00 0.02 0.00 0.00 99.82 04:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:48:01 1 0.50 0.00 0.02 0.00 0.00 99.48 04:48:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:49:01 all 0.12 0.00 0.08 0.09 0.00 99.71 04:49:01 0 0.17 0.00 0.07 0.02 0.00 99.75 04:49:01 1 0.10 0.00 0.08 0.12 0.00 99.70 04:49:01 2 0.13 0.00 0.12 0.20 0.00 99.55 04:49:01 3 0.12 0.00 0.05 0.02 0.00 99.82 Average: all 14.26 0.00 7.46 5.29 0.22 72.77 Average: 0 14.50 0.00 7.56 5.31 0.22 72.41 Average: 1 14.32 0.00 7.37 5.82 0.23 72.25 Average: 2 14.05 0.00 7.55 5.23 0.22 72.95 Average: 3 14.16 0.00 7.36 4.80 0.20 73.48