---> uname -a: Linux 73e7f21df8f7 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 42.8G 14% / 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 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-273 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-273@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 114 0 1067 1076 Swap: 1023 0 1023 ---> 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) 06/23/20 _x86_64_ (4 CPU) 09:59:06 LINUX RESTART 10:00:02 tps rtps wtps bread/s bwrtn/s 10:01:01 61.52 15.16 46.36 5075.91 4984.23 10:02:01 3.31 0.07 3.24 1.46 109.41 10:03:01 0.73 0.00 0.73 0.00 10.18 10:04:01 0.57 0.00 0.57 0.00 6.49 10:05:01 0.55 0.00 0.55 0.00 6.11 10:06:01 107.27 71.62 35.65 5320.25 16121.61 Average: 28.92 14.48 14.44 1724.88 3537.59 10:00:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:01:01 163780 1717776 91.30 2620 1131064 1161936 39.65 441088 1114772 116 10:02:01 163256 1718300 91.32 2620 1131208 1159688 39.58 443016 1114304 20 10:03:01 175956 1705600 90.65 2620 1131212 1066560 36.40 435868 1110628 8 10:04:01 174360 1707196 90.73 2620 1131216 1066632 36.40 441532 1106520 8 10:05:01 174568 1706988 90.72 2620 1131220 1066596 36.40 442600 1105472 12 10:06:01 72456 1809100 96.15 2620 1125436 1491464 50.90 532812 1090648 63248 Average: 154063 1727493 91.81 2620 1130226 1168813 39.89 456153 1107057 10569 10:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:01:01 eth0 145.34 124.06 716.16 84.13 0.00 0.00 0.00 10:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:01:01 docker0 5.73 4.90 0.80 18.42 0.00 0.00 0.00 10:02:01 eth0 1.78 1.15 2.81 0.08 0.00 0.00 0.00 10:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:03:01 eth0 0.65 0.27 0.29 0.20 0.00 0.00 0.00 10:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 eth0 1.05 0.25 0.33 0.20 0.00 0.00 0.00 10:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 eth0 0.60 0.33 0.40 0.26 0.00 0.00 0.00 10:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 eth0 91.32 51.42 2327.63 9.96 0.00 0.00 0.00 10:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.86 29.34 507.64 15.63 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.94 0.81 0.13 3.03 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) 06/23/20 _x86_64_ (4 CPU) 09:59:06 LINUX RESTART 10:00:02 CPU %user %nice %system %iowait %steal %idle 10:01:01 all 9.39 0.00 3.48 1.88 17.05 68.21 10:01:01 0 7.37 0.00 3.39 1.19 20.44 67.61 10:01:01 1 11.02 0.00 3.41 1.13 15.73 68.71 10:01:01 2 8.73 0.00 3.98 2.31 16.54 68.44 10:01:01 3 10.51 0.00 3.13 2.88 15.39 68.08 10:02:01 all 0.13 0.00 0.05 0.00 0.60 99.22 10:02:01 0 0.05 0.00 0.03 0.02 0.17 99.73 10:02:01 1 0.07 0.00 0.08 0.02 0.83 99.01 10:02:01 2 0.13 0.00 0.03 0.00 0.83 99.01 10:02:01 3 0.30 0.00 0.05 0.00 0.56 99.09 10:03:01 all 0.14 0.00 0.04 0.00 0.26 99.55 10:03:01 0 0.05 0.00 0.05 0.00 0.33 99.57 10:03:01 1 0.03 0.00 0.03 0.00 0.10 99.83 10:03:01 2 0.42 0.00 0.02 0.00 0.43 99.14 10:03:01 3 0.07 0.00 0.05 0.00 0.18 99.70 10:04:01 all 0.13 0.00 0.03 0.00 0.17 99.67 10:04:01 0 0.18 0.00 0.03 0.00 0.33 99.45 10:04:01 1 0.03 0.00 0.03 0.00 0.05 99.88 10:04:01 2 0.25 0.00 0.03 0.00 0.22 99.50 10:04:01 3 0.05 0.00 0.02 0.00 0.07 99.87 10:05:01 all 0.15 0.00 0.08 0.00 0.10 99.68 10:05:01 0 0.42 0.00 0.02 0.00 0.05 99.52 10:05:01 1 0.03 0.00 0.23 0.00 0.02 99.72 10:05:01 2 0.08 0.00 0.03 0.00 0.17 99.72 10:05:01 3 0.07 0.00 0.05 0.00 0.15 99.73 10:06:01 all 3.28 0.00 2.05 1.34 9.00 84.33 10:06:01 0 2.17 0.00 2.09 0.92 8.84 85.97 10:06:01 1 3.17 0.00 2.11 0.18 8.96 85.58 10:06:01 2 3.43 0.00 2.09 0.36 9.14 84.97 10:06:01 3 4.37 0.00 1.89 3.89 9.05 80.81 Average: all 2.22 0.00 0.96 0.54 4.56 91.73 Average: 0 1.74 0.00 0.95 0.36 5.13 91.82 Average: 1 2.40 0.00 0.99 0.22 4.30 92.09 Average: 2 2.18 0.00 1.03 0.45 4.56 91.79 Average: 3 2.56 0.00 0.86 1.13 4.23 91.21