---> uname -a: Linux 520d094ac275 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% /w/workspace/edgexfoundry_device-sdk-c_PR-283 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-283@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 662 129 0 1045 1068 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) 07/23/20 _x86_64_ (4 CPU) 05:22:02 LINUX RESTART 05:23:01 tps rtps wtps bread/s bwrtn/s 05:24:01 1.65 0.00 1.65 0.00 27.96 05:25:01 0.60 0.00 0.60 0.00 7.06 05:26:01 0.72 0.00 0.72 0.00 8.51 05:27:01 0.47 0.00 0.47 0.00 4.80 05:28:01 0.48 0.00 0.48 0.00 5.05 05:29:01 0.47 0.02 0.45 0.13 6.43 05:30:01 0.32 0.00 0.32 0.00 4.01 Average: 0.67 0.00 0.67 0.02 9.12 05:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:24:01 158956 1722600 91.55 2620 1141036 1087532 37.12 451552 1111680 20 05:25:01 157704 1723852 91.62 2620 1141040 1083420 36.98 453708 1110968 8 05:26:01 157428 1724128 91.63 2620 1141048 1083576 36.98 454500 1110968 8 05:27:01 155508 1726048 91.74 2620 1141048 1083636 36.98 460208 1106916 8 05:28:01 156044 1725512 91.71 2620 1141052 1083576 36.98 462692 1104156 12 05:29:01 156808 1724748 91.67 2620 1141064 1083444 36.98 462052 1104156 8 05:30:01 156692 1724864 91.67 2620 1141064 1083420 36.98 450764 1115324 8 Average: 157020 1724536 91.65 2620 1141050 1084086 37.00 456497 1109167 10 05:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:24:01 eth0 0.10 0.12 0.01 0.02 0.00 0.00 0.00 05:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 eth0 0.20 0.08 0.01 0.01 0.00 0.00 0.00 05:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 eth0 1.43 0.48 0.36 0.21 0.00 0.00 0.00 05:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 eth0 0.47 0.40 0.27 0.21 0.00 0.00 0.00 05:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 eth0 0.17 0.08 0.08 0.06 0.00 0.00 0.00 05:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 eth0 0.22 0.18 0.07 0.01 0.00 0.00 0.00 05:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.38 0.20 0.12 0.08 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 07/23/20 _x86_64_ (4 CPU) 05:22:02 LINUX RESTART 05:23:01 CPU %user %nice %system %iowait %steal %idle 05:24:01 all 0.18 0.00 0.05 0.00 0.00 99.77 05:24:01 0 0.05 0.00 0.07 0.00 0.00 99.88 05:24:01 1 0.07 0.00 0.03 0.00 0.00 99.90 05:24:01 2 0.57 0.00 0.07 0.00 0.00 99.37 05:24:01 3 0.05 0.00 0.07 0.00 0.00 99.88 05:25:01 all 0.14 0.00 0.05 0.00 0.00 99.82 05:25:01 0 0.03 0.00 0.07 0.00 0.00 99.90 05:25:01 1 0.00 0.00 0.02 0.00 0.00 99.98 05:25:01 2 0.47 0.00 0.05 0.00 0.00 99.48 05:25:01 3 0.03 0.00 0.05 0.00 0.00 99.92 05:26:01 all 0.16 0.00 0.03 0.00 0.00 99.80 05:26:01 0 0.03 0.00 0.05 0.00 0.00 99.92 05:26:01 1 0.03 0.00 0.03 0.00 0.00 99.93 05:26:01 2 0.53 0.00 0.00 0.00 0.00 99.47 05:26:01 3 0.08 0.00 0.03 0.00 0.00 99.88 05:27:01 all 0.16 0.00 0.04 0.00 0.00 99.80 05:27:01 0 0.05 0.00 0.05 0.00 0.00 99.90 05:27:01 1 0.03 0.00 0.03 0.00 0.00 99.93 05:27:01 2 0.52 0.00 0.03 0.00 0.00 99.45 05:27:01 3 0.03 0.00 0.05 0.00 0.00 99.92 05:28:01 all 0.16 0.00 0.04 0.00 0.00 99.80 05:28:01 0 0.00 0.00 0.02 0.00 0.00 99.98 05:28:01 1 0.03 0.00 0.03 0.00 0.00 99.93 05:28:01 2 0.55 0.00 0.08 0.00 0.00 99.37 05:28:01 3 0.05 0.00 0.02 0.00 0.00 99.93 05:29:01 all 0.15 0.00 0.03 0.00 0.00 99.83 05:29:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:29:01 1 0.03 0.00 0.02 0.00 0.00 99.95 05:29:01 2 0.52 0.00 0.03 0.00 0.00 99.45 05:29:01 3 0.02 0.00 0.03 0.00 0.00 99.95 05:30:01 all 0.15 0.00 0.02 0.00 0.00 99.83 05:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:30:01 1 0.03 0.00 0.03 0.00 0.00 99.93 05:30:01 2 0.53 0.00 0.03 0.00 0.00 99.43 05:30:01 3 0.02 0.00 0.00 0.00 0.00 99.98 Average: all 0.16 0.00 0.04 0.00 0.00 99.80 Average: 0 0.03 0.00 0.05 0.00 0.00 99.93 Average: 1 0.03 0.00 0.03 0.00 0.00 99.94 Average: 2 0.53 0.00 0.04 0.00 0.00 99.43 Average: 3 0.04 0.00 0.04 0.00 0.00 99.92