---> uname -a: Linux 6a18c8475ca9 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 8.8G 41.2G 18% / 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 8.8G 41.2G 18% /etc/resolv.conf /dev/vda1 50.0G 8.8G 41.2G 18% /etc/hostname /dev/vda1 50.0G 8.8G 41.2G 18% /etc/hosts /dev/vda1 50.0G 8.8G 41.2G 18% /var/log/sa /dev/vda1 50.0G 8.8G 41.2G 18% /w/workspace/edgex-go/1 /dev/vda1 50.0G 8.8G 41.2G 18% /w/workspace/edgex-go/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 685 107 0 1044 1061 Swap: 1023 3 1020 ---> 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 12: eth0@if13: 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) 09/01/20 _x86_64_ (4 CPU) 23:43:54 LINUX RESTART 23:45:01 tps rtps wtps bread/s bwrtn/s 23:46:01 88.34 52.18 36.16 8174.43 12594.43 23:47:01 367.05 224.02 143.03 7053.57 57706.65 23:48:01 308.55 166.44 142.10 7488.26 23235.78 23:49:01 109.46 27.58 81.89 2118.56 23043.80 23:50:02 2.36 0.12 2.25 6.92 42.01 23:51:01 0.61 0.00 0.61 0.00 6.78 23:52:01 0.80 0.12 0.68 74.86 8.61 Average: 125.67 67.41 58.26 3572.03 16710.79 23:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:46:01 345876 1535680 81.62 2620 959620 1133832 38.70 474920 902844 136 23:47:01 64052 1817504 96.60 1492 1125440 1555192 53.08 648264 964484 103864 23:48:01 83632 1797924 95.56 1324 976664 1813064 61.88 773128 778660 91920 23:49:01 614216 1267340 67.36 404 631768 1130500 38.58 484984 554468 20 23:50:02 626732 1254824 66.69 404 631840 1063248 36.29 485464 545376 8 23:51:01 625800 1255756 66.74 404 631844 1063368 36.29 492384 539232 8 23:52:01 624928 1256628 66.79 404 634096 1060140 36.18 491436 541360 8 Average: 426462 1455094 77.33 1007 798753 1259906 43.00 550083 689489 27995 23:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:46:01 eth0 833.54 1084.12 3098.98 403.39 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 987.30 701.91 75.18 2641.39 0.00 0.00 0.00 23:47:01 eth0 784.54 477.32 6953.17 2454.36 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 37.99 50.17 2.10 358.71 0.00 0.00 0.00 23:48:01 veth6cbf7ab 0.00 0.13 0.00 0.01 0.00 0.00 0.00 23:48:01 eth0 2441.42 2224.96 13805.16 2988.09 0.00 0.00 0.00 23:48:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:48:01 docker0 1113.40 858.15 84.24 3483.03 0.00 0.00 0.00 23:49:01 eth0 26.81 18.16 17.11 46.58 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:02 eth0 0.80 0.20 0.12 0.07 0.00 0.00 0.00 23:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.75 0.49 0.41 0.21 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 0.03 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 256.83 242.96 1515.85 423.39 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 159.47 122.91 12.07 498.85 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) 09/01/20 _x86_64_ (4 CPU) 23:43:54 LINUX RESTART 23:45:01 CPU %user %nice %system %iowait %steal %idle 23:46:01 all 10.42 0.00 3.97 1.17 7.92 76.52 23:46:01 0 9.94 0.00 4.56 1.94 8.59 74.98 23:46:01 1 15.84 0.00 3.47 1.18 7.58 71.93 23:46:01 2 7.37 0.00 3.45 1.10 7.98 80.10 23:46:01 3 8.61 0.00 4.45 0.50 7.51 78.92 23:47:01 all 13.90 0.00 6.54 1.56 12.86 65.14 23:47:01 0 18.11 0.00 8.31 0.35 13.85 59.38 23:47:01 1 12.53 0.00 6.16 1.92 12.76 66.63 23:47:01 2 11.00 0.00 5.69 1.70 12.44 69.17 23:47:01 3 14.13 0.00 6.06 2.24 12.44 65.14 23:48:01 all 24.46 0.00 9.92 5.87 7.90 51.85 23:48:01 0 24.16 0.00 10.12 7.01 7.63 51.08 23:48:01 1 24.54 0.00 9.95 6.65 7.70 51.16 23:48:01 2 25.22 0.00 9.69 5.23 8.20 51.66 23:48:01 3 23.95 0.00 9.90 4.58 8.07 53.50 23:49:01 all 26.80 0.00 6.96 4.03 1.74 60.48 23:49:01 0 25.77 0.00 7.35 1.45 1.96 63.48 23:49:01 1 26.88 0.00 7.30 5.07 1.47 59.27 23:49:01 2 28.20 0.00 6.17 3.31 1.67 60.65 23:49:01 3 26.31 0.00 6.99 6.32 1.84 58.54 23:50:02 all 0.12 0.00 0.05 0.00 0.15 99.68 23:50:02 0 0.02 0.00 0.03 0.00 0.05 99.90 23:50:02 1 0.37 0.00 0.03 0.00 0.13 99.47 23:50:02 2 0.10 0.00 0.10 0.00 0.37 99.43 23:50:02 3 0.02 0.00 0.05 0.00 0.05 99.88 23:51:01 all 0.15 0.00 0.04 0.00 0.06 99.75 23:51:01 0 0.03 0.00 0.03 0.00 0.02 99.92 23:51:01 1 0.49 0.00 0.00 0.00 0.03 99.48 23:51:01 2 0.08 0.00 0.07 0.00 0.14 99.71 23:51:01 3 0.02 0.00 0.05 0.00 0.03 99.90 23:52:01 all 0.13 0.00 0.04 0.00 0.03 99.79 23:52:01 0 0.00 0.00 0.05 0.00 0.00 99.95 23:52:01 1 0.42 0.00 0.03 0.00 0.03 99.52 23:52:01 2 0.07 0.00 0.07 0.00 0.10 99.77 23:52:01 3 0.02 0.00 0.03 0.02 0.00 99.93 Average: all 10.67 0.00 3.87 1.77 4.35 79.33 Average: 0 10.94 0.00 4.27 1.51 4.51 78.76 Average: 1 11.41 0.00 3.80 2.08 4.24 78.47 Average: 2 10.12 0.00 3.56 1.59 4.41 80.32 Average: 3 10.23 0.00 3.87 1.90 4.25 79.75