---> uname -a: Linux 059b63a100e4 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/gexfoundry_device-mqtt-go_PR-139 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 589 64 0 1184 1144 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) 04/16/20 _x86_64_ (4 CPU) 14:37:52 LINUX RESTART 14:39:01 tps rtps wtps bread/s bwrtn/s 14:40:01 2.31 0.00 2.31 0.00 76.48 14:41:01 0.27 0.00 0.27 0.00 4.00 14:42:01 0.27 0.00 0.27 0.00 3.63 14:43:01 0.27 0.00 0.27 0.00 3.38 14:44:01 0.27 0.00 0.27 0.00 4.63 14:45:01 0.30 0.00 0.30 0.00 3.90 14:46:02 0.72 0.00 0.72 0.00 7.94 14:47:01 0.61 0.00 0.61 0.00 6.84 Average: 0.63 0.00 0.63 0.00 13.87 14:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 118548 1763756 93.70 2620 1241768 910532 31.07 422100 1178432 8 14:41:01 117336 1764968 93.77 2620 1241772 910748 31.07 423892 1178128 8 14:42:01 117876 1764428 93.74 2620 1241780 910616 31.07 423104 1178128 8 14:43:01 117004 1765300 93.78 2620 1241784 910780 31.08 423700 1178128 8 14:44:01 103012 1779292 94.53 2620 1241792 911124 31.09 437988 1178128 8 14:45:01 102720 1779584 94.54 2620 1241796 911136 31.09 438212 1178124 8 14:46:02 104152 1778152 94.47 2620 1241800 911148 31.09 436876 1178124 8 14:47:01 118224 1764080 93.72 2620 1241804 911064 31.09 422928 1178124 8 Average: 112359 1769945 94.03 2620 1241787 910894 31.08 428600 1178165 8 14:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:40:01 eth0 0.45 0.12 0.04 0.02 0.00 0.00 0.00 14:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 eth0 1.67 0.75 0.84 0.51 0.00 0.00 0.00 14:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 eth0 2.33 0.37 0.42 0.20 0.00 0.00 0.00 14:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:43:01 eth0 3.73 0.80 0.99 0.57 0.00 0.00 0.00 14:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:44:01 eth0 2.80 0.85 1.02 0.62 0.00 0.00 0.00 14:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:45:01 eth0 2.21 0.38 0.41 0.27 0.00 0.00 0.00 14:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:46:02 eth0 2.58 0.53 0.68 0.40 0.00 0.00 0.00 14:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:46:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:47:01 eth0 1.37 0.64 0.81 0.55 0.00 0.00 0.00 14:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.14 0.55 0.65 0.39 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) 04/16/20 _x86_64_ (4 CPU) 14:37:52 LINUX RESTART 14:39:01 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 0.19 0.00 0.07 0.00 0.03 99.71 14:40:01 0 0.05 0.00 0.03 0.00 0.03 99.88 14:40:01 1 0.12 0.00 0.13 0.00 0.03 99.72 14:40:01 2 0.05 0.00 0.03 0.00 0.02 99.90 14:40:01 3 0.55 0.00 0.05 0.00 0.02 99.38 14:41:01 all 0.18 0.00 0.06 0.00 0.03 99.72 14:41:01 0 0.42 0.00 0.08 0.00 0.07 99.43 14:41:01 1 0.13 0.00 0.08 0.00 0.03 99.75 14:41:01 2 0.05 0.00 0.07 0.00 0.02 99.87 14:41:01 3 0.15 0.00 0.05 0.00 0.03 99.77 14:42:01 all 0.12 0.00 0.04 0.00 0.01 99.82 14:42:01 0 0.35 0.00 0.03 0.00 0.03 99.58 14:42:01 1 0.07 0.00 0.07 0.00 0.02 99.85 14:42:01 2 0.03 0.00 0.05 0.00 0.00 99.92 14:42:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:43:01 all 0.17 0.00 0.05 0.00 0.03 99.75 14:43:01 0 0.47 0.00 0.03 0.00 0.03 99.47 14:43:01 1 0.08 0.00 0.05 0.00 0.02 99.85 14:43:01 2 0.07 0.00 0.05 0.00 0.03 99.85 14:43:01 3 0.08 0.00 0.05 0.00 0.02 99.85 14:44:01 all 0.38 0.00 0.06 0.00 0.04 99.52 14:44:01 0 0.52 0.00 0.05 0.00 0.07 99.37 14:44:01 1 0.08 0.00 0.05 0.00 0.03 99.83 14:44:01 2 0.87 0.00 0.13 0.00 0.05 98.95 14:44:01 3 0.05 0.00 0.02 0.00 0.02 99.92 14:45:01 all 0.17 0.00 0.05 0.00 0.03 99.75 14:45:01 0 0.48 0.00 0.08 0.00 0.05 99.38 14:45:01 1 0.10 0.00 0.05 0.00 0.03 99.82 14:45:01 2 0.05 0.00 0.03 0.00 0.05 99.87 14:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:46:02 all 0.16 0.00 0.05 0.00 0.04 99.75 14:46:02 0 0.50 0.00 0.05 0.00 0.03 99.42 14:46:02 1 0.03 0.00 0.03 0.00 0.03 99.90 14:46:02 2 0.05 0.00 0.05 0.00 0.05 99.85 14:46:02 3 0.07 0.00 0.08 0.00 0.05 99.80 14:47:01 all 0.17 0.00 0.07 0.00 0.02 99.74 14:47:01 0 0.41 0.00 0.05 0.00 0.03 99.51 14:47:01 1 0.08 0.00 0.05 0.00 0.00 99.86 14:47:01 2 0.12 0.00 0.07 0.00 0.02 99.80 14:47:01 3 0.07 0.00 0.07 0.00 0.02 99.85 Average: all 0.19 0.00 0.06 0.00 0.03 99.72 Average: 0 0.40 0.00 0.05 0.00 0.04 99.51 Average: 1 0.09 0.00 0.06 0.00 0.03 99.82 Average: 2 0.16 0.00 0.06 0.00 0.03 99.75 Average: 3 0.13 0.00 0.05 0.00 0.02 99.81