---> uname -a: Linux 77c0b9e02c85 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 7.2G 42.7G 15% / 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 7.2G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 15% /w/workspace/edgexfoundry_edgex-ui-go_PR-246@tmp /dev/vda1 50.0G 7.2G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 15% /w/workspace/edgexfoundry_edgex-ui-go_PR-246 ---> free -m: total used free shared buff/cache available Mem: 1837 632 119 0 1086 1099 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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) 06/22/20 _x86_64_ (4 CPU) 11:17:24 LINUX RESTART 11:18:01 tps rtps wtps bread/s bwrtn/s 11:19:02 111.93 41.67 70.26 7495.90 30887.29 11:20:01 7.44 0.58 6.87 9.07 382.47 11:21:01 0.28 0.00 0.28 0.00 4.72 11:22:01 108.91 69.03 39.88 5252.60 15350.14 Average: 57.39 27.94 29.45 3205.84 11716.79 11:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:19:02 123144 1758412 93.46 2620 1153368 1619120 55.26 447376 1148604 52 11:20:01 163480 1718076 91.31 2620 1157320 1174736 40.09 417112 1139412 20 11:21:01 177672 1703884 90.56 2620 1157328 1074544 36.67 409452 1135548 16 11:22:01 74292 1807264 96.05 2620 1154616 1532668 52.31 521368 1098556 74560 Average: 134647 1746909 92.84 2620 1155658 1350267 46.08 448827 1130530 18662 11:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:19:02 eth0 221.30 171.95 1104.05 76.47 0.00 0.00 0.00 11:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:02 vethb9942ea 0.00 0.20 0.00 0.02 0.00 0.00 0.00 11:19:02 docker0 0.00 0.10 0.00 0.01 0.00 0.00 0.00 11:20:01 eth0 42.46 41.08 78.96 67.84 0.00 0.00 0.00 11:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 docker0 20.03 17.04 2.11 59.12 0.00 0.00 0.00 11:21:01 eth0 1.18 0.22 0.33 0.03 0.00 0.00 0.00 11:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 eth0 80.50 54.80 2325.64 10.63 0.00 0.00 0.00 11:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.63 67.19 880.88 38.64 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.94 4.23 0.52 14.58 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) 06/22/20 _x86_64_ (4 CPU) 11:17:24 LINUX RESTART 11:18:01 CPU %user %nice %system %iowait %steal %idle 11:19:02 all 11.55 0.00 6.13 5.41 28.98 47.93 11:19:02 0 11.62 0.00 7.59 4.36 30.97 45.47 11:19:02 1 13.36 0.00 5.80 6.23 28.65 45.96 11:19:02 2 8.03 0.00 5.36 2.92 28.79 54.90 11:19:02 3 13.39 0.00 5.80 8.28 27.49 45.03 11:20:01 all 1.37 0.00 0.58 0.02 6.10 91.92 11:20:01 0 1.69 0.00 0.46 0.02 6.79 91.05 11:20:01 1 1.18 0.00 0.86 0.02 6.53 91.42 11:20:01 2 0.94 0.00 0.54 0.02 5.49 93.01 11:20:01 3 1.67 0.00 0.45 0.05 5.60 92.23 11:21:01 all 0.10 0.00 0.05 0.00 1.00 98.86 11:21:01 0 0.02 0.00 0.03 0.00 0.69 99.26 11:21:01 1 0.31 0.00 0.05 0.00 1.17 98.46 11:21:01 2 0.02 0.00 0.05 0.00 1.79 98.15 11:21:01 3 0.05 0.00 0.05 0.00 0.33 99.57 11:22:01 all 3.02 0.00 1.76 1.46 9.40 84.36 11:22:01 0 4.03 0.00 2.00 2.59 10.01 81.38 11:22:01 1 2.39 0.00 1.57 0.87 9.20 85.98 11:22:01 2 2.90 0.00 1.76 0.85 9.30 85.18 11:22:01 3 2.76 0.00 1.71 1.53 9.12 84.89 Average: all 4.11 0.00 2.18 1.77 11.60 80.34 Average: 0 4.42 0.00 2.58 1.77 12.34 78.90 Average: 1 4.41 0.00 2.11 1.83 11.58 80.08 Average: 2 3.08 0.00 2.00 0.99 11.70 82.24 Average: 3 4.54 0.00 2.03 2.51 10.78 80.13