---> uname -a: Linux 5dab48902859 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 8.0G 42.0G 16% / 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 8.0G 42.0G 16% /etc/resolv.conf /dev/vda1 50.0G 8.0G 42.0G 16% /etc/hostname /dev/vda1 50.0G 8.0G 42.0G 16% /etc/hosts /dev/vda1 50.0G 8.0G 42.0G 16% /var/log/sa-host /dev/vda1 50.0G 8.0G 42.0G 16% /w/workspace/edgex-go/5@tmp /dev/vda1 50.0G 8.0G 42.0G 16% /w/workspace/edgex-go/5 ---> free -m: total used free shared buff/cache available Mem: 1837 687 89 0 1060 1052 Swap: 1023 2 1021 ---> 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 10: eth0@if11: 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) 09/22/20 _x86_64_ (4 CPU) 04:17:33 LINUX RESTART (4 CPU) 04:18:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:19:01 140.37 46.60 93.77 0.00 7993.91 45347.07 0.00 04:20:01 194.52 81.52 113.00 0.00 5925.30 45978.76 0.00 04:21:01 58.16 11.32 46.84 0.00 945.01 15767.68 0.00 04:22:01 2.20 0.03 2.16 0.00 0.67 57.75 0.00 04:23:01 0.25 0.00 0.25 0.00 0.00 3.06 0.00 04:24:01 0.58 0.27 0.32 0.00 90.87 4.58 0.00 Average: 65.83 23.23 42.60 0.00 2478.38 17790.33 0.00 04:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:19:01 75296 0 656092 34.87 2620 1147548 1304504 44.52 550644 1090840 77700 04:20:01 66124 0 707632 37.61 1984 1105816 1498068 51.13 635076 976808 15832 04:21:01 227244 0 619980 32.95 1492 1032840 1084096 37.00 567496 891084 20 04:22:01 231404 0 615756 32.73 1492 1032904 1055312 36.02 568648 887256 8 04:23:01 230988 0 616168 32.75 1492 1032908 1055492 36.02 585752 871144 16 04:24:01 226128 0 618332 32.86 1492 1035604 1055396 36.02 590616 871164 12 Average: 176197 0 638993 33.96 1762 1064603 1175478 40.12 583039 931383 15598 04:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:19:01 eth0 1388.38 1097.75 5067.27 157.89 0.00 0.00 0.00 0.00 04:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 veth406d298 443.35 370.15 43.23 1356.78 0.00 0.00 0.00 0.00 04:19:01 docker0 443.35 370.03 37.17 1356.78 0.00 0.00 0.00 0.00 04:20:01 eth0 1595.06 1299.33 4690.47 2803.18 0.00 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 441.84 383.99 34.11 1679.54 0.00 0.00 0.00 0.00 04:21:01 eth0 155.41 123.92 1091.65 13.00 0.00 0.00 0.00 0.00 04:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 docker0 16.49 18.16 1.39 12.89 0.00 0.00 0.00 0.00 04:22:01 eth0 0.70 0.08 0.06 0.01 0.00 0.00 0.00 0.00 04:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 eth0 0.57 0.47 0.27 0.21 0.00 0.00 0.00 0.00 04:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 eth0 0.30 0.23 0.14 0.07 0.00 0.00 0.00 0.00 04:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 521.20 418.58 1799.98 496.80 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 149.53 128.08 12.05 506.04 0.00 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) 09/22/20 _x86_64_ (4 CPU) 04:17:33 LINUX RESTART (4 CPU) 04:18:02 CPU %user %nice %system %iowait %steal %idle 04:19:01 all 18.14 0.00 8.43 6.74 0.08 66.61 04:19:01 0 15.52 0.00 10.01 8.02 0.10 66.34 04:19:01 1 18.77 0.00 8.02 7.51 0.07 65.63 04:19:01 2 19.77 0.00 7.10 6.88 0.07 66.17 04:19:01 3 18.44 0.00 8.61 4.57 0.07 68.31 04:20:01 all 18.64 0.00 6.93 1.09 0.06 73.29 04:20:01 0 15.18 0.00 9.31 0.58 0.05 74.88 04:20:01 1 28.23 0.00 6.43 1.10 0.05 64.19 04:20:01 2 15.37 0.00 6.11 1.83 0.05 76.64 04:20:01 3 15.66 0.00 5.92 0.83 0.07 77.52 04:21:01 all 2.74 0.00 1.74 1.73 0.01 93.78 04:21:01 0 3.28 0.00 1.88 0.79 0.02 94.04 04:21:01 1 2.76 0.00 1.76 4.04 0.02 91.42 04:21:01 2 2.41 0.00 1.87 1.52 0.02 94.18 04:21:01 3 2.51 0.00 1.44 0.57 0.00 95.48 04:22:01 all 0.13 0.00 0.03 0.00 0.00 99.84 04:22:01 0 0.38 0.00 0.02 0.00 0.00 99.60 04:22:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:22:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:22:01 3 0.05 0.00 0.03 0.00 0.02 99.90 04:23:01 all 0.12 0.00 0.05 0.00 0.00 99.83 04:23:01 0 0.22 0.00 0.05 0.00 0.00 99.73 04:23:01 1 0.07 0.00 0.03 0.00 0.00 99.90 04:23:01 2 0.15 0.00 0.03 0.00 0.00 99.82 04:23:01 3 0.05 0.00 0.07 0.00 0.00 99.88 04:24:01 all 0.15 0.00 0.02 0.01 0.00 99.81 04:24:01 0 0.03 0.00 0.02 0.02 0.02 99.92 04:24:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:24:01 2 0.52 0.00 0.02 0.00 0.00 99.47 04:24:01 3 0.02 0.00 0.03 0.02 0.00 99.93 Average: all 6.55 0.00 2.82 1.57 0.03 89.04 Average: 0 5.65 0.00 3.47 1.53 0.03 89.33 Average: 1 8.23 0.00 2.69 2.08 0.02 86.99 Average: 2 6.28 0.00 2.49 1.68 0.02 89.53 Average: 3 6.02 0.00 2.64 0.98 0.03 90.33