---> uname -a: Linux fdb21f5ab51a 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 7.8G 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_edgex-docs_PR-163@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_edgex-docs_PR-163 ---> free -m: total used free shared buff/cache available Mem: 1837 648 103 0 1085 1084 Swap: 1023 2 1021 ---> 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) 07/21/20 _x86_64_ (4 CPU) 01:49:35 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:02 165.30 62.59 102.71 9943.62 36915.18 01:52:01 96.73 21.47 75.26 4558.31 13199.02 Average: 131.32 42.21 89.11 7274.47 25160.61 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:02 176308 1705248 90.63 2620 1115612 1226472 41.86 538264 993668 412 01:52:01 161568 1719988 91.41 2596 1094688 1114856 38.05 797192 718080 20 Average: 168938 1712618 91.02 2608 1105150 1170664 39.95 667728 855874 216 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:02 eth0 987.30 635.95 4056.13 93.66 0.00 0.00 0.00 01:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:02 veth9d305f8 0.00 0.10 0.00 0.01 0.00 0.00 0.00 01:51:02 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 01:52:01 eth0 1071.63 692.02 506.40 2909.72 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 22.78 34.38 1.66 298.52 0.00 0.00 0.00 Average: eth0 1029.10 663.74 2296.76 1489.40 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.29 17.06 0.82 147.96 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) 07/21/20 _x86_64_ (4 CPU) 01:49:35 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:02 all 14.70 0.00 6.40 6.24 0.02 72.64 01:51:02 0 15.13 0.00 7.11 5.36 0.02 72.39 01:51:02 1 13.42 0.00 5.75 7.21 0.02 73.61 01:51:02 2 13.92 0.00 6.46 6.29 0.02 73.31 01:51:02 3 16.31 0.00 6.35 6.10 0.03 71.20 01:52:01 all 18.48 0.00 5.60 1.81 0.04 74.06 01:52:01 0 33.92 0.00 6.15 0.78 0.02 59.13 01:52:01 1 8.37 0.00 3.30 1.01 0.07 87.25 01:52:01 2 19.07 0.00 6.48 3.47 0.03 70.96 01:52:01 3 12.53 0.00 6.46 1.97 0.05 78.99 Average: all 16.58 0.00 6.01 4.04 0.03 73.35 Average: 0 24.50 0.00 6.63 3.08 0.02 65.78 Average: 1 10.92 0.00 4.53 4.13 0.04 80.37 Average: 2 16.47 0.00 6.47 4.89 0.03 72.14 Average: 3 14.44 0.00 6.41 4.05 0.04 75.06