---> uname -a: Linux 3e3569db0012 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-293@tmp /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-293 ---> free -m: total used free shared buff/cache available Mem: 1837 640 125 0 1071 1091 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) 08/31/20 _x86_64_ (4 CPU) 22:38:13 LINUX RESTART 22:39:01 tps rtps wtps bread/s bwrtn/s 22:40:01 58.19 14.47 43.72 4915.22 4963.79 22:41:01 1.53 0.00 1.53 0.00 27.59 22:42:01 0.33 0.00 0.33 0.00 5.08 22:43:01 0.18 0.00 0.18 0.00 2.02 22:44:01 0.27 0.00 0.27 0.00 3.13 Average: 12.10 2.89 9.21 983.24 1000.52 22:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 160692 1720864 91.46 2620 1153804 1131244 38.61 402832 1158660 24 22:41:01 166020 1715536 91.18 2620 1153808 1087624 37.12 401416 1154956 12 22:42:01 166528 1715028 91.15 2620 1153816 1079604 36.84 404048 1152700 8 22:43:01 165852 1715704 91.19 2620 1153816 1079400 36.84 405016 1152108 8 22:44:01 165332 1716224 91.21 2620 1153824 1079496 36.84 409552 1148144 24 Average: 164885 1716671 91.24 2620 1153814 1091474 37.25 404573 1153314 15 22:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:40:01 eth0 311.72 198.25 681.25 83.50 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 9.47 7.54 0.99 20.32 0.00 0.00 0.00 22:41:01 eth0 1.02 0.35 0.40 0.02 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 eth0 1.28 0.63 0.60 0.37 0.00 0.00 0.00 22:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.88 39.90 136.50 16.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.90 1.51 0.20 4.07 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) 08/31/20 _x86_64_ (4 CPU) 22:38:13 LINUX RESTART 22:39:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 5.91 0.00 2.53 1.80 0.01 89.75 22:40:01 0 5.56 0.00 2.63 1.99 0.00 89.81 22:40:01 1 5.74 0.00 2.56 1.81 0.00 89.90 22:40:01 2 7.31 0.00 2.36 0.28 0.02 90.03 22:40:01 3 5.04 0.00 2.56 3.15 0.02 89.22 22:41:01 all 0.15 0.00 0.04 0.00 0.00 99.82 22:41:01 0 0.27 0.00 0.05 0.00 0.00 99.68 22:41:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:41:01 2 0.05 0.00 0.02 0.00 0.00 99.93 22:41:01 3 0.22 0.00 0.05 0.00 0.02 99.72 22:42:01 all 0.17 0.00 0.03 0.00 0.00 99.78 22:42:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:42:01 1 0.30 0.00 0.03 0.00 0.02 99.65 22:42:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:42:01 3 0.32 0.00 0.02 0.00 0.00 99.67 22:43:01 all 0.16 0.00 0.03 0.00 0.00 99.80 22:43:01 0 0.05 0.00 0.05 0.00 0.02 99.88 22:43:01 1 0.52 0.00 0.03 0.00 0.00 99.45 22:43:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:43:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:44:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:44:01 0 0.03 0.00 0.07 0.00 0.00 99.90 22:44:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:44:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 1.31 0.00 0.53 0.36 0.00 97.80 Average: 0 1.19 0.00 0.56 0.40 0.00 97.85 Average: 1 1.42 0.00 0.53 0.36 0.00 97.69 Average: 2 1.51 0.00 0.50 0.06 0.00 97.94 Average: 3 1.12 0.00 0.53 0.63 0.01 97.71