---> uname -a: Linux 2ef64dbbbd1f 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.0G 44.0G 12% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.0G 44.0G 12% /etc/resolv.conf /dev/vda1 50.0G 6.0G 44.0G 12% /etc/hostname /dev/vda1 50.0G 6.0G 44.0G 12% /etc/hosts /dev/vda1 50.0G 6.0G 44.0G 12% /var/log/sa /dev/vda1 50.0G 6.0G 44.0G 12% /w/workspace/xfoundry_device-modbus-go_PR-116 /dev/vda1 50.0G 6.0G 44.0G 12% /w/workspace/xfoundry_device-modbus-go_PR-116@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 583 73 0 1181 1151 Swap: 1023 0 1023 ---> 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 01/21/20 _x86_64_ (4 CPU) 16:04:03 LINUX RESTART 16:05:01 tps rtps wtps bread/s bwrtn/s 16:06:01 8.71 0.05 8.66 1.60 1740.86 16:07:01 2.56 0.00 2.56 0.00 79.03 16:08:01 0.62 0.00 0.62 0.00 6.01 16:09:01 0.55 0.00 0.55 0.00 5.80 16:10:01 0.63 0.00 0.63 0.00 6.46 16:11:01 0.58 0.00 0.58 0.00 6.63 16:12:01 0.37 0.00 0.37 0.00 6.23 16:13:01 0.53 0.00 0.53 0.00 5.96 16:14:01 0.32 0.00 0.32 0.00 3.63 16:15:01 0.32 0.00 0.32 0.00 5.55 16:16:01 0.33 0.00 0.33 0.00 4.48 16:17:01 0.30 0.00 0.30 0.00 4.86 16:18:01 0.35 0.00 0.35 0.00 5.68 16:19:01 0.37 0.07 0.30 2.13 4.80 16:20:01 90.48 58.74 31.73 3824.44 12740.84 Average: 7.14 3.93 3.21 255.30 975.44 16:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:06:01 122176 1760128 93.51 2620 1248984 919712 31.38 431308 1170980 12 16:07:01 121280 1761024 93.56 2620 1248988 919856 31.39 432476 1170632 8 16:08:01 121044 1761260 93.57 2620 1248992 919880 31.39 432680 1170632 8 16:09:01 122076 1760228 93.51 2620 1248996 919712 31.38 431860 1170632 16 16:10:01 121752 1760552 93.53 2620 1249000 919796 31.38 432208 1170632 8 16:11:01 121940 1760364 93.52 2620 1249008 919824 31.38 432056 1170628 20 16:12:01 138412 1743892 92.65 2620 1249008 919932 31.39 415424 1170628 20 16:13:01 138088 1744216 92.66 2620 1249016 919908 31.39 415908 1170628 8 16:14:01 138244 1744060 92.66 2620 1249024 919896 31.39 416008 1170628 12 16:15:01 138008 1744296 92.67 2620 1249032 919920 31.39 415864 1170632 8 16:16:01 138164 1744140 92.66 2620 1249032 919932 31.39 415980 1170628 20 16:17:01 139364 1742940 92.60 2620 1249036 919772 31.38 414740 1170628 20 16:18:01 139424 1742880 92.59 2620 1249044 919776 31.38 414884 1170628 16 16:19:01 137928 1744376 92.67 2620 1249044 921504 31.44 416248 1170628 8 16:20:01 119572 1762732 93.65 2620 1188492 1130412 38.57 437168 1143972 104124 Average: 130498 1751806 93.07 2620 1244980 933989 31.87 423654 1168876 6954 16:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:06:01 eth0 0.67 0.10 0.06 0.01 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 eth0 0.95 0.37 0.35 0.20 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 eth0 0.53 0.33 0.27 0.20 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 eth0 0.47 0.10 0.09 0.01 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 1.03 0.43 0.31 0.21 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 eth0 1.35 0.35 0.32 0.20 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 eth0 0.97 0.32 0.32 0.17 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 eth0 1.37 0.47 0.46 0.30 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 0.47 0.38 0.27 0.21 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 eth0 90.29 74.26 2114.64 9.94 0.00 0.00 0.00 16:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.58 5.18 141.20 0.77 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 01/21/20 _x86_64_ (4 CPU) 16:04:03 LINUX RESTART 16:05:01 CPU %user %nice %system %iowait %steal %idle 16:06:01 all 0.20 0.00 0.06 0.00 0.00 99.74 16:06:01 0 0.18 0.00 0.05 0.00 0.00 99.77 16:06:01 1 0.25 0.00 0.05 0.00 0.00 99.70 16:06:01 2 0.23 0.00 0.10 0.00 0.00 99.67 16:06:01 3 0.10 0.00 0.07 0.00 0.00 99.83 16:07:01 all 0.19 0.00 0.04 0.00 0.00 99.76 16:07:01 0 0.07 0.00 0.03 0.00 0.00 99.90 16:07:01 1 0.07 0.00 0.02 0.00 0.00 99.92 16:07:01 2 0.53 0.00 0.05 0.00 0.00 99.42 16:07:01 3 0.07 0.00 0.07 0.00 0.02 99.85 16:08:01 all 0.16 0.00 0.04 0.00 0.01 99.80 16:08:01 0 0.03 0.00 0.02 0.00 0.02 99.93 16:08:01 1 0.08 0.00 0.05 0.00 0.00 99.87 16:08:01 2 0.27 0.00 0.03 0.00 0.00 99.70 16:08:01 3 0.27 0.00 0.05 0.00 0.02 99.67 16:09:01 all 0.18 0.00 0.04 0.00 0.00 99.78 16:09:01 0 0.08 0.00 0.05 0.00 0.00 99.87 16:09:01 1 0.50 0.00 0.03 0.00 0.02 99.45 16:09:01 2 0.08 0.00 0.05 0.00 0.02 99.85 16:09:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:10:01 all 0.15 0.00 0.04 0.00 0.00 99.81 16:10:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:10:01 1 0.47 0.00 0.07 0.00 0.00 99.47 16:10:01 2 0.02 0.00 0.03 0.00 0.00 99.95 16:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:11:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:11:01 0 0.05 0.00 0.02 0.00 0.00 99.93 16:11:01 1 0.53 0.00 0.05 0.00 0.00 99.42 16:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:11:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:12:01 all 0.18 0.00 0.03 0.00 0.00 99.79 16:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:12:01 1 0.55 0.00 0.07 0.00 0.00 99.38 16:12:01 2 0.07 0.00 0.03 0.00 0.00 99.90 16:12:01 3 0.08 0.00 0.03 0.00 0.00 99.88 16:13:01 all 0.18 0.00 0.03 0.00 0.00 99.79 16:13:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:13:01 1 0.13 0.00 0.03 0.00 0.00 99.83 16:13:01 2 0.47 0.00 0.03 0.00 0.00 99.50 16:13:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:14:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:14:01 0 0.03 0.00 0.00 0.00 0.00 99.97 16:14:01 1 0.05 0.00 0.02 0.00 0.00 99.93 16:14:01 2 0.53 0.00 0.05 0.00 0.00 99.42 16:14:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:15:01 all 0.18 0.00 0.03 0.00 0.00 99.79 16:15:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:15:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:15:01 2 0.58 0.00 0.03 0.00 0.00 99.38 16:15:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:16:01 all 0.17 0.00 0.03 0.00 0.00 99.79 16:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:16:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:16:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:16:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:17:01 all 0.19 0.00 0.04 0.00 0.00 99.77 16:17:01 0 0.53 0.00 0.03 0.00 0.00 99.43 16:17:01 1 0.08 0.00 0.03 0.00 0.00 99.88 16:17:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:17:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:18:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:18:01 0 0.52 0.00 0.02 0.00 0.00 99.47 16:18:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:18:01 2 0.03 0.00 0.02 0.00 0.00 99.95 16:18:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:19:01 all 0.18 0.00 0.03 0.00 0.00 99.79 16:19:01 0 0.50 0.00 0.02 0.00 0.00 99.48 16:19:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:19:01 2 0.07 0.00 0.03 0.00 0.00 99.90 16:19:01 3 0.08 0.00 0.05 0.00 0.00 99.87 16:20:01 all 4.00 0.00 1.93 1.44 0.01 92.62 16:20:01 0 4.12 0.00 1.97 0.17 0.00 93.74 16:20:01 1 3.42 0.00 1.80 1.29 0.02 93.47 16:20:01 2 3.21 0.00 1.67 1.85 0.02 93.25 16:20:01 3 5.25 0.00 2.21 2.48 0.02 90.05 Average: all 0.43 0.00 0.16 0.10 0.00 99.31 Average: 0 0.42 0.00 0.16 0.01 0.00 99.41 Average: 1 0.42 0.00 0.16 0.09 0.00 99.33 Average: 2 0.45 0.00 0.15 0.12 0.00 99.27 Average: 3 0.42 0.00 0.19 0.16 0.00 99.23