---> uname -a: Linux prd-centos7-docker-4c-2g-14157.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /facter-os /dev/vda1 50.0G 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/modbus-go_edgex-modbus-simulator /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/modbus-go_edgex-modbus-simulator@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/secure /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/auth.log ---> free -m: total used free shared buff/cache available Mem: 1837 703 159 0 974 1043 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:ca:fa:0b brd ff:ff:ff:ff:ff:ff inet 10.30.123.91/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:feca:fa0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4c:2d:8a:e0 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:4cff:fe2d:8ae0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/02/20 _x86_64_ (4 CPU) 07:59:01 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:01:01 156.27 90.85 65.42 0.00 4092.65 21357.62 0.00 08:02:01 106.92 54.01 52.91 0.00 5042.21 13295.62 0.00 08:03:01 0.17 0.00 0.17 0.00 0.00 2.01 0.00 08:04:01 11.74 2.61 9.12 0.00 119.59 4676.06 0.00 Average: 68.79 36.88 31.91 0.00 2314.14 9835.23 0.00 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:01:01 65300 0 655728 34.85 2620 1157896 1426340 48.68 394432 1184108 101256 08:02:01 257120 0 597032 31.73 2620 1024772 1090048 37.20 421996 968848 20 08:03:01 258012 0 596136 31.68 2620 1024776 1078656 36.81 433164 956504 8 08:04:01 66360 0 627708 33.36 2620 1184856 1266928 43.24 503584 1073044 62232 Average: 161698 0 619151 32.91 2620 1098075 1215493 41.48 438294 1045626 40879 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:01:01 vethb69ad9d 171.03 236.34 11.42 1214.30 0.00 0.00 0.00 0.00 08:01:01 eth0 560.17 323.21 3413.86 63.22 0.00 0.00 0.00 0.00 08:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 docker0 171.03 236.22 9.09 1214.29 0.00 0.00 0.00 0.00 08:02:01 eth0 58.80 42.73 121.94 81.04 0.00 0.00 0.00 0.00 08:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 docker0 15.25 20.84 0.91 96.81 0.00 0.00 0.00 0.00 08:03:01 eth0 0.57 0.37 0.27 0.20 0.00 0.00 0.00 0.00 08:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 eth0 356.55 308.62 3314.46 56.29 0.00 0.00 0.00 0.00 08:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 244.07 168.76 1712.92 50.19 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 46.59 64.29 2.50 327.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/02/20 _x86_64_ (4 CPU) 07:59:01 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:01:01 all 5.32 0.00 4.21 0.47 0.02 89.98 08:01:01 0 5.38 0.00 4.65 0.27 0.02 89.68 08:01:01 1 5.52 0.00 4.31 0.40 0.02 89.74 08:01:01 2 5.20 0.00 4.37 0.29 0.02 90.13 08:01:01 3 5.18 0.00 3.49 0.91 0.03 90.39 08:02:01 all 6.04 0.00 3.34 1.28 0.03 89.31 08:02:01 0 6.16 0.00 3.27 0.89 0.05 89.62 08:02:01 1 5.76 0.00 2.98 0.69 0.03 90.53 08:02:01 2 6.14 0.00 3.68 1.68 0.02 88.48 08:02:01 3 6.09 0.00 3.42 1.85 0.03 88.61 08:03:01 all 0.15 0.00 0.10 0.00 0.00 99.75 08:03:01 0 0.45 0.00 0.03 0.00 0.00 99.52 08:03:01 1 0.07 0.00 0.07 0.00 0.00 99.87 08:03:01 2 0.03 0.00 0.28 0.00 0.00 99.68 08:03:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:04:01 all 1.49 0.00 1.14 0.02 0.01 97.34 08:04:01 0 1.94 0.00 1.59 0.02 0.00 96.45 08:04:01 1 1.46 0.00 1.09 0.05 0.02 97.39 08:04:01 2 1.27 0.00 1.19 0.00 0.00 97.54 08:04:01 3 1.30 0.00 0.70 0.00 0.02 97.98 Average: all 3.24 0.00 2.19 0.44 0.02 94.12 Average: 0 3.47 0.00 2.38 0.29 0.02 93.84 Average: 1 3.19 0.00 2.11 0.29 0.02 94.40 Average: 2 3.15 0.00 2.37 0.49 0.01 93.98 Average: 3 3.14 0.00 1.90 0.69 0.02 94.25