---> uname -a: Linux f83c01fa358c 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 8.8G 41.2G 18% / 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 8.8G 41.2G 18% /etc/resolv.conf /dev/vda1 50.0G 8.8G 41.2G 18% /etc/hostname /dev/vda1 50.0G 8.8G 41.2G 18% /etc/hosts /dev/vda1 50.0G 8.8G 41.2G 18% /var/log/sa /dev/vda1 50.0G 8.8G 41.2G 18% /w/workspace/edgex-go/31 /dev/vda1 50.0G 8.8G 41.2G 18% /w/workspace/edgex-go/31@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 716 107 0 1013 1029 Swap: 1023 3 1020 ---> 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 12: eth0@if13: 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) 08/06/20 _x86_64_ (4 CPU) 16:26:11 LINUX RESTART 16:27:01 tps rtps wtps bread/s bwrtn/s 16:28:01 87.93 37.43 50.50 7280.29 18145.64 16:29:02 438.77 234.89 203.89 8685.35 72807.07 16:30:01 345.37 191.97 153.40 8806.09 31135.89 16:31:01 4.96 0.08 4.88 2.27 177.58 16:32:01 0.20 0.03 0.17 4.26 2.06 16:33:01 0.35 0.03 0.32 1.07 4.48 16:34:01 0.35 0.12 0.23 74.87 2.96 Average: 125.06 66.16 58.91 3541.47 17460.96 16:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:28:01 330404 1551152 82.44 2620 960488 1096308 37.42 624980 769944 120 16:29:02 112500 1769056 94.02 1492 1060916 1311688 44.77 657696 872584 12 16:30:01 637152 1244404 66.14 420 577388 1101304 37.59 469796 540132 20 16:31:01 646976 1234580 65.61 420 577568 1087892 37.13 471176 538164 20 16:32:01 648204 1233352 65.55 420 577688 1070512 36.53 477640 530664 12 16:33:01 649232 1232324 65.49 420 577692 1070416 36.53 477036 530664 16 16:34:01 647404 1234152 65.59 420 579944 1070416 36.53 477148 532904 8 Average: 524553 1357003 72.12 887 701669 1115505 38.07 522210 616437 30 16:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:28:01 eth0 2029.14 1820.71 5284.76 2604.67 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 1084.10 780.96 79.83 2660.22 0.00 0.00 0.00 16:29:02 eth0 633.69 467.49 7372.15 336.09 0.00 0.00 0.00 16:29:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:02 docker0 131.30 160.36 9.70 833.13 0.00 0.00 0.00 16:30:01 eth0 36.98 20.23 32.36 14.60 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 eth0 0.77 0.50 0.54 0.19 0.00 0.00 0.00 16:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 eth0 0.30 0.22 0.14 0.10 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 16:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 386.87 330.77 1819.38 423.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 174.07 134.84 12.82 500.47 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) 08/06/20 _x86_64_ (4 CPU) 16:26:11 LINUX RESTART 16:27:01 CPU %user %nice %system %iowait %steal %idle 16:28:01 all 17.65 0.00 5.99 1.68 0.03 74.65 16:28:01 0 12.96 0.00 8.61 1.93 0.03 76.46 16:28:01 1 16.85 0.00 4.56 1.18 0.03 77.38 16:28:01 2 18.46 0.00 5.80 1.55 0.02 74.16 16:28:01 3 22.24 0.00 5.05 2.09 0.02 70.60 16:29:02 all 13.95 0.00 8.79 5.46 0.04 71.77 16:29:02 0 13.41 0.00 9.14 5.37 0.03 72.05 16:29:02 1 14.32 0.00 8.69 4.90 0.03 72.05 16:29:02 2 12.42 0.00 8.42 5.26 0.03 73.86 16:29:02 3 15.64 0.00 8.86 6.30 0.05 69.15 16:30:01 all 41.59 0.00 13.18 7.76 0.03 37.44 16:30:01 0 41.13 0.00 12.96 5.81 0.03 40.07 16:30:01 1 41.45 0.00 13.67 9.21 0.02 35.65 16:30:01 2 42.42 0.00 13.57 8.35 0.03 35.63 16:30:01 3 41.34 0.00 12.54 7.66 0.03 38.42 16:31:01 all 0.16 0.00 0.05 0.00 0.00 99.79 16:31:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:31:01 1 0.02 0.00 0.05 0.00 0.00 99.93 16:31:01 2 0.05 0.00 0.07 0.00 0.00 99.88 16:31:01 3 0.53 0.00 0.03 0.00 0.00 99.43 16:32:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:32:01 1 0.03 0.00 0.07 0.00 0.00 99.90 16:32:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:32:01 3 0.53 0.00 0.00 0.02 0.00 99.45 16:33:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:33:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:33:01 1 0.03 0.00 0.02 0.00 0.02 99.93 16:33:01 2 0.08 0.00 0.05 0.00 0.00 99.87 16:33:01 3 0.55 0.00 0.03 0.00 0.00 99.42 16:34:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:34:01 1 0.05 0.00 0.03 0.02 0.00 99.90 16:34:01 2 0.02 0.00 0.03 0.00 0.00 99.95 16:34:01 3 0.52 0.00 0.03 0.00 0.00 99.45 Average: all 10.37 0.00 3.95 2.10 0.01 83.56 Average: 0 9.49 0.00 4.33 1.84 0.01 84.33 Average: 1 10.24 0.00 3.81 2.15 0.01 83.79 Average: 2 10.34 0.00 3.94 2.13 0.01 83.57 Average: 3 11.43 0.00 3.73 2.26 0.01 82.56