---> uname -a: Linux 400563d0c78c 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: 2933.442 BogoMIPS: 5866.88 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-288 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-288@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 647 124 0 1064 1083 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) 07/31/20 _x86_64_ (4 CPU) 09:11:34 LINUX RESTART 09:12:01 tps rtps wtps bread/s bwrtn/s 09:13:01 91.11 39.79 51.32 7479.18 6748.98 09:14:01 2.23 0.00 2.23 0.00 49.21 09:15:01 0.52 0.00 0.52 0.00 7.56 09:16:01 0.48 0.00 0.48 0.00 6.00 09:17:01 0.25 0.00 0.25 0.00 3.06 Average: 18.93 7.96 10.97 1496.73 1363.77 09:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:13:01 168216 1713340 91.06 2620 1144472 1118712 38.18 436788 1116364 116 09:14:01 172376 1709180 90.84 2620 1144456 1079032 36.83 435444 1114828 24 09:15:01 171372 1710184 90.89 2620 1144444 1079224 36.83 436476 1114816 8 09:16:01 171240 1710316 90.90 2620 1144444 1079324 36.84 436736 1114812 12 09:17:01 171232 1710324 90.90 2620 1144448 1079096 36.83 444600 1107496 8 Average: 170887 1710669 90.92 2620 1144453 1087078 37.10 438009 1113663 34 09:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:13:01 eth0 472.82 279.00 1079.10 107.21 0.00 0.00 0.00 09:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 docker0 9.27 7.47 0.97 20.32 0.00 0.00 0.00 09:14:01 eth0 0.73 0.08 0.06 0.04 0.00 0.00 0.00 09:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 eth0 4.21 2.00 3.45 0.46 0.00 0.00 0.00 09:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 eth0 0.50 0.30 0.27 0.23 0.00 0.00 0.00 09:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 09:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 95.73 56.33 216.71 21.60 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.85 1.50 0.19 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) 07/31/20 _x86_64_ (4 CPU) 09:11:34 LINUX RESTART 09:12:01 CPU %user %nice %system %iowait %steal %idle 09:13:01 all 13.24 0.00 5.56 3.14 0.01 78.05 09:13:01 0 12.50 0.00 6.76 1.95 0.00 78.79 09:13:01 1 12.98 0.00 5.52 1.91 0.02 79.58 09:13:01 2 13.34 0.00 5.38 2.08 0.02 79.19 09:13:01 3 14.16 0.00 4.57 6.61 0.00 74.66 09:14:01 all 0.17 0.00 0.05 0.00 0.00 99.78 09:14:01 0 0.55 0.00 0.05 0.00 0.00 99.40 09:14:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:14:01 2 0.08 0.00 0.07 0.00 0.00 99.85 09:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:15:01 all 0.09 0.00 0.05 0.00 0.00 99.86 09:15:01 0 0.13 0.00 0.03 0.00 0.00 99.83 09:15:01 1 0.07 0.00 0.03 0.00 0.00 99.90 09:15:01 2 0.13 0.00 0.10 0.00 0.00 99.77 09:15:01 3 0.05 0.00 0.03 0.00 0.02 99.90 09:16:01 all 0.13 0.00 0.03 0.00 0.00 99.84 09:16:01 0 0.02 0.00 0.03 0.00 0.00 99.95 09:16:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:16:01 2 0.02 0.00 0.02 0.00 0.00 99.97 09:16:01 3 0.45 0.00 0.07 0.00 0.00 99.48 09:17:01 all 0.11 0.00 0.04 0.00 0.00 99.85 09:17:01 0 0.02 0.00 0.05 0.00 0.00 99.93 09:17:01 1 0.07 0.00 0.05 0.00 0.00 99.88 09:17:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:17:01 3 0.32 0.00 0.02 0.00 0.00 99.67 Average: all 2.74 0.00 1.14 0.62 0.00 95.50 Average: 0 2.63 0.00 1.38 0.39 0.00 95.61 Average: 1 2.62 0.00 1.13 0.38 0.00 95.86 Average: 2 2.71 0.00 1.11 0.41 0.00 95.76 Average: 3 2.98 0.00 0.94 1.31 0.00 94.77