---> uname -a: Linux 4e64cee7e3da 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/2@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/2 ---> free -m: total used free shared buff/cache available Mem: 1837 708 121 0 1007 1035 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 10: eth0@if11: 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) 09/11/20 _x86_64_ (4 CPU) 14:52:32 LINUX RESTART (4 CPU) 14:53:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:54:01 100.92 37.61 63.31 0.00 7702.18 15630.69 0.00 14:55:01 210.03 70.80 139.23 0.00 5941.56 56297.95 0.00 14:56:01 104.29 11.09 93.21 0.00 535.77 13298.92 0.00 14:57:01 0.38 0.05 0.33 0.00 4.40 6.43 0.00 14:58:01 0.33 0.00 0.33 0.00 0.00 6.26 0.00 Average: 83.22 23.92 59.30 0.00 2837.89 17054.71 0.00 14:53:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:54:01 71860 0 742628 39.47 2620 1064448 1463200 49.94 678060 970072 68 14:55:01 132048 0 675284 35.89 1492 1072732 1527156 52.12 649632 901956 1092 14:56:01 359984 0 644624 34.26 1492 875456 1089788 37.19 533268 765296 20 14:57:01 362088 0 642400 34.14 1492 875576 1067328 36.43 533464 763608 20 14:58:01 362324 0 642160 34.13 1492 875580 1061040 36.21 534432 762444 8 Average: 257661 0 669419 35.58 1718 952758 1241702 42.38 585771 832675 242 14:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:54:01 eth0 1516.08 1363.44 6294.91 185.92 0.00 0.00 0.00 0.00 14:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:54:01 vethbab34b7 791.75 641.04 76.25 2650.82 0.00 0.00 0.00 0.00 14:54:01 docker0 791.75 640.91 65.42 2650.81 0.00 0.00 0.00 0.00 14:55:01 eth0 1505.24 1029.48 4456.33 2775.34 0.00 0.00 0.00 0.00 14:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 veth8bfc5cc 18.49 20.58 1.78 13.96 0.00 0.00 0.00 0.00 14:55:01 docker0 85.42 98.59 5.31 375.10 0.00 0.00 0.00 0.00 14:56:01 eth0 101.02 91.19 467.42 10.13 0.00 0.00 0.00 0.00 14:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 docker0 88.61 95.56 7.06 463.24 0.00 0.00 0.00 0.00 14:57:01 eth0 0.67 0.55 0.50 0.19 0.00 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 624.87 497.14 2244.70 594.61 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 193.22 167.06 15.56 698.04 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) 09/11/20 _x86_64_ (4 CPU) 14:52:32 LINUX RESTART (4 CPU) 14:53:01 CPU %user %nice %system %iowait %steal %idle 14:54:01 all 18.98 0.00 7.78 3.86 0.03 69.36 14:54:01 0 17.98 0.00 11.12 1.57 0.03 69.30 14:54:01 1 19.55 0.00 5.14 4.83 0.03 70.44 14:54:01 2 19.01 0.00 6.85 5.94 0.02 68.19 14:54:01 3 19.37 0.00 8.05 3.06 0.02 69.50 14:55:01 all 18.04 0.00 8.34 2.57 0.03 71.02 14:55:01 0 31.93 0.00 9.90 2.25 0.02 55.90 14:55:01 1 13.09 0.00 7.80 2.99 0.05 76.07 14:55:01 2 14.67 0.00 7.91 3.09 0.03 74.30 14:55:01 3 12.46 0.00 7.73 1.96 0.02 77.82 14:56:01 all 3.37 0.00 3.05 3.77 0.03 89.78 14:56:01 0 3.16 0.00 3.40 4.02 0.05 89.37 14:56:01 1 3.36 0.00 2.95 1.87 0.02 91.80 14:56:01 2 3.38 0.00 2.73 5.54 0.02 88.34 14:56:01 3 3.57 0.00 3.15 3.65 0.02 89.61 14:57:01 all 0.17 0.00 0.03 0.00 0.00 99.80 14:57:01 0 0.12 0.00 0.05 0.00 0.00 99.83 14:57:01 1 0.03 0.00 0.03 0.00 0.00 99.93 14:57:01 2 0.03 0.00 0.02 0.00 0.00 99.95 14:57:01 3 0.48 0.00 0.03 0.00 0.00 99.48 14:58:01 all 0.17 0.00 0.05 0.00 0.00 99.79 14:58:01 0 0.05 0.00 0.07 0.00 0.00 99.88 14:58:01 1 0.00 0.00 0.03 0.00 0.00 99.97 14:58:01 2 0.07 0.00 0.07 0.00 0.00 99.87 14:58:01 3 0.55 0.00 0.02 0.00 0.00 99.43 Average: all 8.08 0.00 3.82 2.03 0.02 86.06 Average: 0 10.53 0.00 4.86 1.56 0.02 83.03 Average: 1 7.16 0.00 3.17 1.93 0.02 87.72 Average: 2 7.39 0.00 3.49 2.90 0.01 86.20 Average: 3 7.23 0.00 3.77 1.73 0.01 87.27