---> uname -a: Linux d6ff01fe2b8c 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-286 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-286@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 128 0 1040 1062 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) 07/24/20 _x86_64_ (4 CPU) 13:59:54 LINUX RESTART 14:01:01 tps rtps wtps bread/s bwrtn/s 14:02:01 3.40 0.07 3.33 1.47 112.84 14:03:01 0.35 0.00 0.35 0.00 4.61 14:04:01 0.22 0.00 0.22 0.00 2.17 14:05:01 0.17 0.00 0.17 0.00 2.28 14:06:01 41.69 41.26 0.43 4030.65 6.65 Average: 9.16 8.26 0.90 806.45 25.71 14:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:02:01 165068 1716488 91.23 2620 1131556 1097064 37.44 416272 1140952 12 14:03:01 163196 1718360 91.33 2620 1131564 1091168 37.24 419192 1140448 16 14:04:01 161368 1720188 91.42 2620 1131568 1091120 37.24 420824 1140436 12 14:05:01 158628 1722928 91.57 2620 1131568 1091168 37.24 426244 1137180 8 14:06:01 96556 1785000 94.87 2620 1194428 1092416 37.28 446108 1180976 152 Average: 148963 1732593 92.08 2620 1144137 1092587 37.29 425728 1147998 40 14:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:02:01 eth0 0.52 0.13 0.04 0.03 0.00 0.00 0.00 14:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 eth0 3.71 1.72 2.86 0.26 0.00 0.00 0.00 14:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 eth0 1.38 0.38 0.35 0.24 0.00 0.00 0.00 14:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 eth0 0.55 0.38 0.27 0.20 0.00 0.00 0.00 14:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 eth0 5.86 3.40 5.43 2.15 0.00 0.00 0.00 14:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.41 1.20 1.79 0.57 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) 07/24/20 _x86_64_ (4 CPU) 13:59:54 LINUX RESTART 14:01:01 CPU %user %nice %system %iowait %steal %idle 14:02:01 all 0.17 0.00 0.04 0.00 0.00 99.78 14:02:01 0 0.03 0.00 0.05 0.00 0.00 99.92 14:02:01 1 0.08 0.00 0.07 0.00 0.00 99.85 14:02:01 2 0.53 0.00 0.03 0.02 0.00 99.42 14:02:01 3 0.05 0.00 0.02 0.00 0.00 99.93 14:03:01 all 0.17 0.00 0.03 0.00 0.00 99.81 14:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:03:01 1 0.07 0.00 0.05 0.00 0.00 99.88 14:03:01 2 0.55 0.00 0.02 0.00 0.00 99.43 14:03:01 3 0.03 0.00 0.00 0.00 0.02 99.95 14:04:01 all 0.15 0.00 0.02 0.00 0.00 99.82 14:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:04:01 1 0.03 0.00 0.02 0.00 0.00 99.95 14:04:01 2 0.53 0.00 0.02 0.00 0.00 99.45 14:04:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:05:01 all 0.12 0.00 0.03 0.00 0.00 99.85 14:05:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:05:01 1 0.03 0.00 0.05 0.00 0.00 99.92 14:05:01 2 0.38 0.00 0.05 0.00 0.02 99.55 14:05:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:06:01 all 0.83 0.00 0.25 0.96 0.00 97.97 14:06:01 0 0.87 0.00 0.20 0.38 0.00 98.55 14:06:01 1 1.20 0.00 0.48 3.25 0.00 95.06 14:06:01 2 0.92 0.00 0.20 0.13 0.00 98.75 14:06:01 3 0.37 0.00 0.10 0.07 0.00 99.47 Average: all 0.29 0.00 0.07 0.19 0.00 99.44 Average: 0 0.20 0.00 0.07 0.08 0.00 99.66 Average: 1 0.28 0.00 0.13 0.65 0.00 98.93 Average: 2 0.58 0.00 0.06 0.03 0.00 99.32 Average: 3 0.10 0.00 0.03 0.01 0.00 99.86