---> uname -a: Linux 839bbf0bc7c4 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: 2933.436 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 8.7G 41.2G 17% / 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 8.7G 41.2G 17% /etc/resolv.conf /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hostname /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hosts /dev/vda1 50.0G 8.7G 41.2G 17% /var/log/sa /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1@tmp /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1 ---> free -m: total used free shared buff/cache available Mem: 1837 693 125 0 1018 1051 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) 07/28/20 _x86_64_ (4 CPU) 16:01:26 LINUX RESTART 16:02:01 tps rtps wtps bread/s bwrtn/s 16:03:01 111.96 50.85 61.11 8854.02 20840.04 16:04:01 438.14 233.37 204.77 8010.11 71957.88 16:05:01 49.49 15.13 34.36 1870.48 5196.95 16:06:01 0.17 0.00 0.17 0.00 1.47 16:07:01 0.30 0.02 0.28 3.73 3.58 Average: 120.14 59.96 60.18 3732.70 19612.09 16:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:03:01 342584 1538972 81.79 2620 962028 1121888 38.29 550180 832248 116 16:04:01 68652 1812904 96.35 1492 1097064 1506064 51.40 685488 900076 33092 16:05:01 243324 1638232 87.07 1492 995184 1106420 37.76 571304 841404 8 16:06:01 242384 1639172 87.12 1492 995196 1106444 37.76 573324 840560 16 16:07:01 246492 1635064 86.90 1492 995316 1076308 36.73 575724 834796 20 Average: 228687 1652869 87.85 1718 1008958 1183425 40.39 591204 849817 6650 16:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:03:01 eth0 1908.14 1686.63 6108.94 1338.14 0.00 0.00 0.00 16:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:03:01 docker0 845.42 775.22 68.51 2700.68 0.00 0.00 0.00 16:04:01 eth0 1053.29 709.76 7352.75 1625.97 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 114.42 142.80 7.98 728.47 0.00 0.00 0.00 16:05:01 eth0 29.27 25.00 13.42 42.60 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 0.47 0.43 0.29 0.24 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 594.21 480.61 2685.55 599.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 189.85 181.70 15.13 679.38 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) 07/28/20 _x86_64_ (4 CPU) 16:01:26 LINUX RESTART 16:02:01 CPU %user %nice %system %iowait %steal %idle 16:03:01 all 18.60 0.00 5.67 2.14 0.10 73.48 16:03:01 0 20.60 0.00 7.39 0.56 0.11 71.34 16:03:01 1 14.16 0.00 4.50 0.95 0.14 80.26 16:03:01 2 13.73 0.00 5.14 2.43 0.10 78.59 16:03:01 3 25.99 0.00 5.66 4.61 0.07 63.68 16:04:01 all 17.36 0.00 9.10 3.91 0.26 69.37 16:04:01 0 14.85 0.00 9.43 5.31 0.22 70.18 16:04:01 1 13.22 0.00 8.72 2.24 0.29 75.53 16:04:01 2 14.49 0.00 9.72 2.39 0.29 73.10 16:04:01 3 26.83 0.00 8.52 5.71 0.22 58.71 16:05:01 all 1.66 0.00 1.62 1.08 0.08 95.57 16:05:01 0 1.59 0.00 1.59 1.64 0.10 95.09 16:05:01 1 1.65 0.00 1.20 0.55 0.07 96.53 16:05:01 2 1.62 0.00 1.66 0.22 0.07 96.43 16:05:01 3 1.76 0.00 2.04 1.91 0.08 94.21 16:06:01 all 0.15 0.00 0.03 0.00 0.00 99.81 16:06:01 0 0.02 0.00 0.03 0.00 0.02 99.93 16:06:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:06:01 2 0.03 0.00 0.02 0.00 0.02 99.93 16:06:01 3 0.50 0.00 0.03 0.00 0.00 99.47 16:07:01 all 0.16 0.00 0.03 0.00 0.01 99.80 16:07:01 0 0.02 0.00 0.03 0.00 0.02 99.93 16:07:01 1 0.07 0.00 0.05 0.00 0.02 99.87 16:07:01 2 0.03 0.00 0.03 0.02 0.00 99.92 16:07:01 3 0.53 0.00 0.02 0.00 0.02 99.43 Average: all 7.45 0.00 3.24 1.41 0.09 87.81 Average: 0 7.23 0.00 3.62 1.49 0.09 87.58 Average: 1 5.74 0.00 2.87 0.74 0.10 90.56 Average: 2 5.89 0.00 3.27 1.00 0.09 89.75 Average: 3 10.93 0.00 3.21 2.41 0.08 83.37