---> uname -a: Linux 8347da8dd555 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: 2933.396 BogoMIPS: 5866.79 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-291 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-291@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 131 0 1037 1061 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) 08/24/20 _x86_64_ (4 CPU) 15:02:00 LINUX RESTART 15:03:01 tps rtps wtps bread/s bwrtn/s 15:04:01 10.40 4.01 6.39 1016.51 228.63 15:05:01 0.38 0.00 0.38 0.00 6.33 15:06:01 0.28 0.00 0.28 0.00 3.11 15:07:01 0.28 0.00 0.28 0.00 2.71 15:08:01 0.33 0.00 0.33 0.00 5.06 15:09:01 0.30 0.02 0.28 0.13 3.26 15:10:01 0.20 0.00 0.20 0.00 1.75 15:11:01 0.25 0.00 0.25 0.00 2.96 Average: 1.55 0.50 1.05 127.15 31.74 15:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:04:01 156488 1725068 91.68 2620 1130804 1118840 38.18 454684 1108700 20 15:05:01 161156 1720400 91.43 2620 1130808 1073380 36.63 455636 1103476 8 15:06:01 162588 1718968 91.36 2620 1130816 1073176 36.63 454640 1103476 8 15:07:01 160456 1721100 91.47 2620 1130816 1073368 36.63 461384 1098868 20 15:08:01 160952 1720604 91.45 2620 1130824 1073324 36.63 461984 1097836 16 15:09:01 160828 1720728 91.45 2620 1130832 1073348 36.63 462052 1097836 12 15:10:01 161460 1720096 91.42 2620 1130832 1073240 36.63 455932 1103372 8 15:11:01 161624 1719932 91.41 2620 1130840 1073240 36.63 455940 1103372 20 Average: 160694 1720862 91.46 2620 1130822 1078990 36.82 457782 1102117 14 15:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:04:01 eth0 39.03 31.64 43.90 43.34 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 8.06 6.89 0.91 20.32 0.00 0.00 0.00 15:05:01 eth0 0.57 0.33 0.27 0.20 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 eth0 1.08 0.42 0.36 0.21 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 eth0 0.92 0.18 0.20 0.07 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 eth0 0.48 0.32 0.27 0.20 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 5.30 4.14 5.63 5.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.01 0.86 0.11 2.54 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) 08/24/20 _x86_64_ (4 CPU) 15:02:00 LINUX RESTART 15:03:01 CPU %user %nice %system %iowait %steal %idle 15:04:01 all 1.66 0.00 0.86 0.09 0.01 97.38 15:04:01 0 1.72 0.00 1.20 0.17 0.00 96.91 15:04:01 1 1.60 0.00 0.77 0.00 0.02 97.61 15:04:01 2 1.37 0.00 0.79 0.07 0.02 97.76 15:04:01 3 1.95 0.00 0.70 0.12 0.00 97.23 15:05:01 all 0.16 0.00 0.06 0.00 0.02 99.76 15:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:05:01 1 0.05 0.00 0.07 0.00 0.03 99.85 15:05:01 2 0.52 0.00 0.05 0.00 0.00 99.43 15:05:01 3 0.03 0.00 0.05 0.00 0.02 99.90 15:06:01 all 0.15 0.00 0.03 0.00 0.01 99.81 15:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:06:01 1 0.05 0.00 0.02 0.00 0.02 99.92 15:06:01 2 0.07 0.00 0.07 0.00 0.03 99.83 15:06:01 3 0.48 0.00 0.02 0.00 0.02 99.48 15:07:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:07:01 1 0.02 0.00 0.05 0.00 0.00 99.93 15:07:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:07:01 3 0.53 0.00 0.02 0.00 0.00 99.45 15:08:01 all 0.16 0.00 0.07 0.00 0.00 99.77 15:08:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:08:01 1 0.03 0.00 0.17 0.00 0.00 99.80 15:08:01 2 0.05 0.00 0.03 0.00 0.02 99.90 15:08:01 3 0.53 0.00 0.03 0.00 0.02 99.42 15:09:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:09:01 0 0.03 0.00 0.07 0.00 0.00 99.90 15:09:01 1 0.02 0.00 0.07 0.00 0.00 99.92 15:09:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:09:01 3 0.52 0.00 0.02 0.00 0.00 99.47 15:10:01 all 0.08 0.00 0.04 0.00 0.00 99.87 15:10:01 0 0.05 0.00 0.05 0.00 0.00 99.90 15:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:10:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:10:01 3 0.17 0.00 0.05 0.00 0.00 99.78 15:11:01 all 0.05 0.00 0.03 0.00 0.00 99.92 15:11:01 0 0.03 0.00 0.05 0.00 0.02 99.90 15:11:01 1 0.05 0.00 0.02 0.00 0.00 99.93 15:11:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:11:01 3 0.12 0.00 0.03 0.00 0.00 99.85 Average: all 0.32 0.00 0.14 0.01 0.01 99.52 Average: 0 0.24 0.00 0.18 0.02 0.00 99.55 Average: 1 0.23 0.00 0.15 0.00 0.01 99.61 Average: 2 0.27 0.00 0.13 0.01 0.01 99.58 Average: 3 0.54 0.00 0.11 0.01 0.01 99.32