---> uname -a: Linux 5f9f61615d3e 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master ---> free -m: total used free shared buff/cache available Mem: 1837 761 117 0 959 995 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 14: eth0@if15: 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) 06/09/20 _x86_64_ (4 CPU) 09:27:03 LINUX RESTART 09:28:01 tps rtps wtps bread/s bwrtn/s 09:29:01 3.56 0.00 3.56 0.00 112.06 09:30:01 0.38 0.00 0.38 0.00 7.31 09:31:01 0.32 0.00 0.32 0.00 4.83 09:32:01 0.27 0.00 0.27 0.00 4.13 09:33:01 0.35 0.00 0.35 0.00 6.35 09:34:01 163.87 90.49 73.38 3085.18 22083.93 Average: 28.21 15.13 13.08 515.79 3714.52 09:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 173816 1707740 90.76 2620 1148592 1097560 37.46 431852 1116136 20 09:30:01 173404 1708152 90.78 2620 1148596 1086252 37.07 433504 1115164 16 09:31:01 171416 1710140 90.89 2620 1148604 1086456 37.08 435816 1115164 16 09:32:01 171460 1710096 90.89 2620 1148604 1086252 37.07 438468 1112572 12 09:33:01 171184 1710372 90.90 2620 1148608 1086324 37.07 439748 1111564 8 09:34:01 136504 1745052 92.75 2620 1024972 1512180 51.61 473136 1031376 100716 Average: 166297 1715259 91.16 2620 1127996 1159171 39.56 442087 1100329 16798 09:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:29:01 eth0 3.75 1.68 2.91 0.11 0.00 0.00 0.00 09:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 eth0 0.95 0.08 0.10 0.01 0.00 0.00 0.00 09:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 eth0 1.42 0.69 0.62 0.41 0.00 0.00 0.00 09:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 09:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 09:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 eth0 127.76 91.87 3208.20 14.24 0.00 0.00 0.00 09:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.43 15.81 536.97 2.48 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) 06/09/20 _x86_64_ (4 CPU) 09:27:03 LINUX RESTART 09:28:01 CPU %user %nice %system %iowait %steal %idle 09:29:01 all 0.17 0.00 0.05 0.00 0.00 99.78 09:29:01 0 0.03 0.00 0.07 0.00 0.00 99.90 09:29:01 1 0.50 0.00 0.03 0.00 0.00 99.47 09:29:01 2 0.12 0.00 0.05 0.00 0.00 99.83 09:29:01 3 0.03 0.00 0.05 0.00 0.00 99.92 09:30:01 all 0.10 0.00 0.03 0.00 0.00 99.87 09:30:01 0 0.00 0.00 0.02 0.00 0.00 99.98 09:30:01 1 0.30 0.00 0.02 0.00 0.00 99.68 09:30:01 2 0.07 0.00 0.05 0.00 0.00 99.88 09:30:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:31:01 all 0.16 0.00 0.02 0.00 0.00 99.83 09:31:01 0 0.05 0.00 0.02 0.00 0.00 99.93 09:31:01 1 0.12 0.00 0.02 0.00 0.00 99.86 09:31:01 2 0.42 0.00 0.03 0.00 0.00 99.54 09:31:01 3 0.05 0.00 0.02 0.00 0.00 99.93 09:32:01 all 0.15 0.00 0.02 0.00 0.00 99.83 09:32:01 0 0.00 0.00 0.02 0.00 0.00 99.98 09:32:01 1 0.02 0.00 0.02 0.00 0.00 99.97 09:32:01 2 0.55 0.00 0.02 0.00 0.00 99.43 09:32:01 3 0.02 0.00 0.03 0.00 0.02 99.93 09:33:01 all 0.15 0.00 0.03 0.00 0.00 99.81 09:33:01 0 0.02 0.00 0.00 0.00 0.00 99.98 09:33:01 1 0.05 0.00 0.02 0.00 0.00 99.93 09:33:01 2 0.52 0.00 0.07 0.00 0.00 99.42 09:33:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:34:01 all 6.64 0.00 3.46 0.86 0.02 89.02 09:34:01 0 6.48 0.00 3.74 0.94 0.03 88.80 09:34:01 1 6.34 0.00 3.45 1.39 0.02 88.80 09:34:01 2 6.94 0.00 3.07 0.25 0.03 89.71 09:34:01 3 6.83 0.00 3.58 0.86 0.00 88.73 Average: all 1.23 0.00 0.60 0.14 0.00 98.03 Average: 0 1.09 0.00 0.64 0.16 0.01 98.10 Average: 1 1.22 0.00 0.59 0.23 0.00 97.96 Average: 2 1.43 0.00 0.55 0.04 0.01 97.97 Average: 3 1.16 0.00 0.62 0.14 0.00 98.08