---> uname -a: Linux 17669d959ad6 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 12.1G 37.9G 24% / 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 12.1G 37.9G 24% /etc/resolv.conf /dev/vda1 50.0G 12.1G 37.9G 24% /etc/hostname /dev/vda1 50.0G 12.1G 37.9G 24% /etc/hosts /dev/vda1 50.0G 12.1G 37.9G 24% /var/log/sa /dev/vda1 50.0G 12.1G 37.9G 24% /w/workspace/edgex-go/5 /dev/vda1 50.0G 12.1G 37.9G 24% /w/workspace/edgex-go/5@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 607 114 0 1116 1144 Swap: 1023 104 919 ---> 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 100: eth0@if101: 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) 07/29/20 _x86_64_ (4 CPU) 04:29:11 LINUX RESTART 04:30:02 tps rtps wtps bread/s bwrtn/s 04:31:01 169.41 71.00 98.41 9004.09 46403.15 04:32:02 520.19 328.33 191.85 12803.72 44746.29 04:33:01 195.39 84.15 111.24 3716.22 33980.38 04:34:02 1507.91 1185.91 322.00 124170.55 192680.28 04:35:01 1801.45 1516.60 284.85 127914.00 135951.93 04:36:02 1406.15 1064.16 342.00 65438.14 87763.97 04:37:01 2058.73 1717.12 341.61 99189.22 110708.41 04:38:01 777.45 577.72 199.73 34378.45 43862.46 04:39:01 4.50 2.75 1.75 52.36 31.51 04:40:01 0.92 0.62 0.30 19.59 3.81 04:41:01 0.28 0.05 0.23 0.53 2.83 04:42:01 0.27 0.00 0.27 0.00 3.13 04:43:01 0.38 0.12 0.27 2.13 2.60 04:44:01 0.22 0.02 0.20 0.13 1.62 04:45:01 2.18 1.97 0.22 70.23 3.70 04:46:01 1.08 0.23 0.85 4.80 15.34 04:47:01 0.35 0.05 0.30 0.93 3.80 04:48:01 0.22 0.00 0.22 0.00 2.18 04:49:01 0.33 0.07 0.27 0.67 3.61 04:50:02 51.03 50.75 0.28 5068.66 18.41 Average: 424.98 330.10 94.88 24139.62 34892.93 04:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:31:01 146136 1735420 92.23 2248 1030256 1557816 53.17 646140 893892 88068 04:32:02 254164 1627392 86.49 1384 910920 1620268 55.30 659160 731496 78100 04:33:01 249708 1631848 86.73 548 926172 1402452 47.86 637524 753004 68144 04:34:02 67708 1813848 96.40 0 1111972 1763488 60.18 737588 905068 90332 04:35:01 367252 1514304 80.48 0 595160 2561100 87.41 607976 693404 23988 04:36:02 325776 1555780 82.69 0 842568 2014100 68.74 550812 800588 4932 04:37:01 559032 1322524 70.29 0 633012 1906036 65.05 550100 569756 1124 04:38:01 536008 1345548 71.51 0 803608 1255516 42.85 401864 749896 20 04:39:01 547772 1333784 70.89 0 803680 1158428 39.54 394716 747372 12 04:40:01 547556 1334000 70.90 0 804188 1153384 39.36 395304 747640 20 04:41:01 547932 1333624 70.88 0 804192 1153288 39.36 394812 747648 12 04:42:01 548424 1333132 70.85 0 804216 1153288 39.36 394820 747664 8 04:43:01 548084 1333472 70.87 0 804216 1153288 39.36 394700 747720 8 04:44:01 548412 1333144 70.85 0 804228 1153288 39.36 394704 747728 8 04:45:01 545852 1335704 70.99 0 805596 1153360 39.36 395076 749016 16 04:46:01 545284 1336272 71.02 0 805604 1153396 39.36 395412 749120 8 04:47:01 546244 1335312 70.97 0 805616 1153288 39.36 394832 749156 8 04:48:01 545980 1335576 70.98 0 805620 1153288 39.36 394712 749156 8 04:49:01 545928 1335628 70.99 0 805628 1153288 39.36 394872 749172 8 04:50:02 284036 1597520 84.90 0 990724 1572396 53.66 479644 916088 35552 Average: 440364 1441192 76.60 209 834859 1417238 48.37 480738 762229 19519 04:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:31:01 eth0 2213.52 1660.77 8857.92 2905.01 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 900.46 913.09 71.99 2712.92 0.00 0.00 0.00 04:32:02 eth0 328.27 243.70 1800.97 53.17 0.00 0.00 0.00 04:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:32:02 veth668d9f5 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:32:02 docker0 983.42 1032.76 77.78 3394.36 0.00 0.00 0.00 04:33:01 eth0 65.20 46.95 34.26 83.62 0.00 0.00 0.00 04:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:33:01 veth668d9f5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:34:02 veth02e8def 0.00 0.42 0.00 0.02 0.00 0.00 0.00 04:34:02 eth0 3488.72 2477.94 15299.57 3056.82 0.00 0.00 0.00 04:34:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 04:34:02 docker0 16.50 24.34 0.92 142.99 0.00 0.00 0.00 04:35:01 veth02e8def 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:01 eth0 24.65 12.45 20.01 10.52 0.00 0.00 0.00 04:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:01 veth5c9bce0 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:36:02 vethe162048 0.00 0.08 0.00 0.01 0.00 0.00 0.00 04:36:02 veth02e8def 0.00 0.57 0.00 0.03 0.00 0.00 0.00 04:36:02 vethca57741 0.00 0.15 0.00 0.01 0.00 0.00 0.00 04:36:02 eth0 3701.95 2606.47 16112.46 3217.49 0.00 0.00 0.00 04:37:01 veth02e8def 0.00 0.10 0.00 0.00 0.00 0.00 0.00 04:37:01 veth42644cd 5.24 5.39 0.62 20.71 0.00 0.00 0.00 04:37:01 eth0 72.93 47.00 128.28 68.72 0.00 0.00 0.00 04:37:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:38:01 eth0 75.62 55.57 168.95 68.18 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 docker0 1045.91 1136.61 81.50 4119.85 0.00 0.00 0.00 04:39:01 eth0 0.32 0.28 0.22 0.03 0.00 0.00 0.00 04:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 eth0 0.28 0.18 0.14 0.07 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 0.12 0.10 0.01 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 0.10 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 0.15 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 0.85 0.20 0.19 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 0.48 0.30 0.27 0.20 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 0.05 0.02 0.00 0.00 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 0.03 0.03 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 0.12 0.08 0.01 0.01 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 04:50:02 eth0 39.66 29.04 602.43 5.62 0.00 0.00 0.00 04:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 152.86 112.20 690.28 164.73 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 52.41 56.95 4.08 206.44 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) 07/29/20 _x86_64_ (4 CPU) 04:29:11 LINUX RESTART 04:30:02 CPU %user %nice %system %iowait %steal %idle 04:31:01 all 21.56 0.00 7.14 1.78 0.06 69.45 04:31:01 0 32.59 0.00 8.92 3.01 0.05 55.43 04:31:01 1 13.79 0.00 6.43 1.89 0.05 77.83 04:31:01 2 18.80 0.00 6.91 1.20 0.05 73.03 04:31:01 3 21.13 0.00 6.35 1.03 0.07 71.42 04:32:02 all 23.02 0.00 8.61 7.40 0.03 60.94 04:32:02 0 23.84 0.00 9.07 5.75 0.05 61.29 04:32:02 1 23.32 0.00 8.31 10.62 0.02 57.72 04:32:02 2 22.02 0.00 8.67 9.28 0.02 60.01 04:32:02 3 22.89 0.00 8.39 3.95 0.05 64.73 04:33:01 all 46.76 0.00 10.49 4.26 0.04 38.45 04:33:01 0 50.03 0.00 10.63 4.02 0.03 35.29 04:33:01 1 46.27 0.00 10.35 3.66 0.03 39.68 04:33:01 2 44.35 0.00 11.04 4.48 0.03 40.10 04:33:01 3 46.39 0.00 9.96 4.88 0.05 38.72 04:34:02 all 19.30 0.00 17.22 21.19 0.09 42.20 04:34:02 0 19.58 0.00 16.44 21.31 0.08 42.59 04:34:02 1 19.22 0.00 18.00 21.21 0.10 41.47 04:34:02 2 19.17 0.00 17.29 21.09 0.08 42.37 04:34:02 3 19.22 0.00 17.15 21.15 0.08 42.39 04:35:01 all 43.07 0.00 15.47 26.00 0.10 15.37 04:35:01 0 42.42 0.00 14.23 27.91 0.07 15.37 04:35:01 1 42.43 0.00 16.45 27.64 0.10 13.37 04:35:01 2 43.55 0.00 15.00 23.13 0.10 18.21 04:35:01 3 43.85 0.00 16.20 25.33 0.10 14.52 04:36:02 all 29.53 0.00 14.44 31.18 0.05 24.81 04:36:02 0 28.48 0.00 14.23 29.81 0.05 27.43 04:36:02 1 29.84 0.00 15.13 32.75 0.05 22.23 04:36:02 2 30.83 0.00 13.93 31.13 0.05 24.06 04:36:02 3 28.97 0.00 14.47 31.01 0.05 25.50 04:37:01 all 34.26 0.00 15.05 35.89 0.06 14.74 04:37:01 0 32.90 0.00 14.51 33.81 0.07 18.72 04:37:01 1 34.22 0.00 15.16 38.28 0.05 12.29 04:37:01 2 35.29 0.00 15.39 34.55 0.05 14.72 04:37:01 3 34.62 0.00 15.11 36.96 0.07 13.24 04:38:01 all 16.22 0.00 8.00 15.47 0.05 60.27 04:38:01 0 17.18 0.00 8.13 11.04 0.05 63.60 04:38:01 1 16.24 0.00 8.30 15.70 0.05 59.71 04:38:01 2 15.34 0.00 8.24 18.30 0.07 58.06 04:38:01 3 16.13 0.00 7.33 16.84 0.03 59.67 04:39:01 all 0.03 0.00 0.05 0.05 0.00 99.87 04:39:01 0 0.03 0.00 0.03 0.05 0.00 99.88 04:39:01 1 0.03 0.00 0.07 0.05 0.02 99.83 04:39:01 2 0.03 0.00 0.03 0.08 0.00 99.85 04:39:01 3 0.02 0.00 0.03 0.05 0.00 99.90 04:40:01 all 0.13 0.00 0.02 0.01 0.00 99.83 04:40:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:40:01 1 0.47 0.00 0.02 0.02 0.00 99.50 04:40:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:40:01 3 0.02 0.00 0.05 0.00 0.00 99.93 04:41:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:41:01 0 0.02 0.00 0.00 0.00 0.00 99.98 04:41:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:41:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:41:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:42:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:42:01 0 0.00 0.00 0.02 0.00 0.00 99.98 04:42:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:42:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:42:01 3 0.02 0.00 0.00 0.00 0.00 99.98 04:43:01 all 0.14 0.00 0.02 0.00 0.00 99.83 04:43:01 0 0.00 0.00 0.02 0.00 0.00 99.98 04:43:01 1 0.53 0.00 0.03 0.00 0.00 99.43 04:43:01 2 0.03 0.00 0.05 0.02 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 0.02 0.00 0.00 99.83 04:44:01 0 0.03 0.00 0.02 0.02 0.00 99.93 04:44:01 1 0.50 0.00 0.02 0.00 0.00 99.48 04:44:01 2 0.02 0.00 0.03 0.00 0.00 99.95 04:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:45:01 all 0.15 0.00 0.04 0.02 0.00 99.78 04:45:01 0 0.03 0.00 0.05 0.00 0.00 99.92 04:45:01 1 0.53 0.00 0.03 0.00 0.00 99.43 04:45:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:45:01 3 0.02 0.00 0.08 0.08 0.00 99.82 04:46:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:46:01 0 0.03 0.00 0.02 0.03 0.00 99.92 04:46:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:46:01 2 0.02 0.00 0.03 0.00 0.00 99.95 04:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:47:01 all 0.15 0.00 0.02 0.00 0.00 99.82 04:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:47:01 1 0.52 0.00 0.03 0.00 0.00 99.45 04:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:48:01 all 0.14 0.00 0.02 0.00 0.00 99.84 04:48:01 0 0.00 0.00 0.00 0.00 0.00 100.00 04:48:01 1 0.52 0.00 0.02 0.00 0.00 99.47 04:48:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:49:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:49:01 1 0.53 0.00 0.02 0.00 0.00 99.45 04:49:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:49:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:50:02 all 1.15 0.00 0.48 1.22 0.00 97.15 04:50:02 0 0.93 0.00 0.58 0.72 0.00 97.77 04:50:02 1 0.97 0.00 0.28 1.18 0.00 97.57 04:50:02 2 1.88 0.00 0.50 1.87 0.00 95.75 04:50:02 3 0.82 0.00 0.48 1.10 0.00 97.60 Average: all 11.62 0.00 4.79 7.12 0.02 76.44 Average: 0 12.21 0.00 4.79 6.78 0.02 76.20 Average: 1 11.40 0.00 4.87 7.55 0.02 76.15 Average: 2 11.40 0.00 4.80 7.17 0.02 76.60 Average: 3 11.48 0.00 4.70 6.99 0.03 76.80