---> uname -a: Linux d9b766ec9ef5 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: 2933.436 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 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 6.3G 43.7G 13% / 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-142 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-142@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 642 72 0 1123 1092 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 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) 04/17/20 _x86_64_ (4 CPU) 10:49:25 LINUX RESTART 10:50:01 tps rtps wtps bread/s bwrtn/s 10:51:01 45.71 9.79 35.92 2258.57 2399.77 10:52:01 2.56 0.00 2.56 0.00 82.16 10:53:01 0.60 0.00 0.60 0.00 7.06 10:54:01 0.62 0.00 0.62 0.00 7.66 10:55:01 0.45 0.00 0.45 0.00 5.66 10:56:01 0.70 0.45 0.25 122.83 4.20 Average: 8.44 1.71 6.74 397.01 417.87 10:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:51:01 109808 1772496 94.17 2620 1203124 948764 32.37 432528 1177920 16 10:52:01 117532 1764772 93.76 2620 1203076 902872 30.81 428768 1174368 8 10:53:01 116600 1765704 93.81 2620 1203084 903052 30.81 429952 1174364 8 10:54:01 118020 1764284 93.73 2620 1203084 902872 30.81 428852 1174364 8 10:55:01 117508 1764796 93.76 2620 1203092 902956 30.81 429284 1174364 16 10:56:01 104344 1777960 94.46 2620 1206856 906348 30.92 432276 1177820 56 Average: 113969 1768335 93.95 2620 1203719 911144 31.09 430277 1175533 19 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:51:01 eth0 192.01 120.46 528.91 54.48 0.00 0.00 0.00 10:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 docker0 1.55 1.33 0.28 2.97 0.00 0.00 0.00 10:52:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 10:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 eth0 1.17 0.78 0.56 0.38 0.00 0.00 0.00 10:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 10:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 10:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 eth0 6.54 3.85 6.42 2.49 0.00 0.00 0.00 10:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 33.48 20.91 89.37 9.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.22 0.05 0.50 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) 04/17/20 _x86_64_ (4 CPU) 10:49:25 LINUX RESTART 10:50:01 CPU %user %nice %system %iowait %steal %idle 10:51:01 all 4.53 0.00 2.03 1.05 0.24 92.16 10:51:01 0 4.60 0.00 2.23 0.07 0.29 92.81 10:51:01 1 4.87 0.00 1.93 1.04 0.17 91.99 10:51:01 2 4.14 0.00 2.26 2.98 0.32 90.29 10:51:01 3 4.53 0.00 1.70 0.12 0.18 93.47 10:52:01 all 0.18 0.00 0.05 0.00 0.01 99.77 10:52:01 0 0.03 0.00 0.02 0.00 0.00 99.95 10:52:01 1 0.37 0.00 0.03 0.00 0.00 99.60 10:52:01 2 0.22 0.00 0.05 0.00 0.00 99.73 10:52:01 3 0.08 0.00 0.08 0.00 0.02 99.82 10:53:01 all 0.19 0.00 0.05 0.00 0.02 99.75 10:53:01 0 0.05 0.00 0.05 0.00 0.02 99.88 10:53:01 1 0.55 0.00 0.03 0.00 0.03 99.38 10:53:01 2 0.08 0.00 0.07 0.00 0.02 99.83 10:53:01 3 0.07 0.00 0.03 0.00 0.02 99.88 10:54:01 all 0.17 0.00 0.05 0.00 0.00 99.78 10:54:01 0 0.05 0.00 0.07 0.00 0.00 99.88 10:54:01 1 0.52 0.00 0.03 0.00 0.02 99.43 10:54:01 2 0.05 0.00 0.03 0.00 0.00 99.92 10:54:01 3 0.07 0.00 0.05 0.00 0.02 99.87 10:55:01 all 0.17 0.00 0.04 0.00 0.01 99.78 10:55:01 0 0.05 0.00 0.05 0.00 0.00 99.90 10:55:01 1 0.52 0.00 0.03 0.00 0.00 99.45 10:55:01 2 0.05 0.00 0.03 0.00 0.00 99.92 10:55:01 3 0.07 0.00 0.05 0.00 0.00 99.88 10:56:01 all 0.50 0.00 0.25 0.00 0.05 99.20 10:56:01 0 0.82 0.00 0.22 0.00 0.02 98.95 10:56:01 1 0.43 0.00 0.22 0.00 0.07 99.28 10:56:01 2 0.50 0.00 0.32 0.00 0.05 99.13 10:56:01 3 0.28 0.00 0.23 0.00 0.08 99.40 Average: all 0.95 0.00 0.41 0.17 0.05 98.41 Average: 0 0.93 0.00 0.44 0.01 0.05 98.57 Average: 1 1.20 0.00 0.38 0.17 0.05 98.20 Average: 2 0.84 0.00 0.46 0.50 0.06 98.15 Average: 3 0.85 0.00 0.36 0.02 0.05 98.73