---> uname -a: Linux eb46b8217db1 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 626 63 0 1147 1106 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) 03/06/20 _x86_64_ (4 CPU) 20:28:50 LINUX RESTART 20:30:01 tps rtps wtps bread/s bwrtn/s 20:31:01 3.85 0.00 3.85 0.00 118.30 20:32:02 0.28 0.00 0.28 0.00 4.40 20:33:01 0.32 0.00 0.32 0.00 3.57 20:34:01 0.27 0.00 0.27 0.00 3.25 20:35:01 0.37 0.00 0.37 0.00 4.91 20:36:01 17.02 16.77 0.25 1854.45 4.05 Average: 3.69 2.80 0.89 309.96 23.14 20:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:31:01 118924 1763380 93.68 2620 1206412 912692 31.14 453588 1153256 8 20:32:02 118120 1764184 93.72 2620 1206416 912848 31.15 455384 1152952 8 20:33:01 117980 1764324 93.73 2620 1206428 912860 31.15 455384 1152952 8 20:34:01 118348 1763956 93.71 2620 1206428 912812 31.14 455128 1152952 8 20:35:01 118624 1763680 93.70 2620 1206432 912772 31.14 454988 1152952 8 20:36:01 73008 1809296 96.12 2620 1231596 940532 32.09 468640 1178328 96 Average: 110834 1771470 94.11 2620 1210619 917419 31.30 457185 1157232 23 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:31:01 eth0 0.67 0.08 0.05 0.01 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:02 eth0 1.63 0.43 0.56 0.21 0.00 0.00 0.00 20:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 1.74 0.63 0.61 0.41 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 0.55 0.28 0.27 0.20 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 0.35 0.25 0.15 0.07 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 6.89 4.60 7.21 2.47 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.97 1.05 1.48 0.56 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) 03/06/20 _x86_64_ (4 CPU) 20:28:50 LINUX RESTART 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:31:01 all 0.18 0.00 0.06 0.00 0.00 99.75 20:31:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:31:01 1 0.05 0.00 0.08 0.00 0.00 99.87 20:31:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:31:01 3 0.57 0.00 0.07 0.00 0.00 99.37 20:32:02 all 0.21 0.00 0.05 0.00 0.00 99.74 20:32:02 0 0.07 0.00 0.03 0.00 0.00 99.90 20:32:02 1 0.57 0.00 0.07 0.00 0.00 99.37 20:32:02 2 0.08 0.00 0.05 0.00 0.00 99.87 20:32:02 3 0.12 0.00 0.07 0.00 0.00 99.82 20:33:01 all 0.18 0.00 0.06 0.00 0.00 99.77 20:33:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:33:01 1 0.54 0.00 0.03 0.00 0.00 99.42 20:33:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:33:01 3 0.05 0.00 0.08 0.00 0.00 99.86 20:34:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:34:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:34:01 1 0.57 0.00 0.07 0.00 0.00 99.37 20:34:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:34:01 3 0.07 0.00 0.03 0.00 0.00 99.90 20:35:01 all 0.17 0.00 0.05 0.00 0.00 99.78 20:35:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:35:01 1 0.57 0.00 0.08 0.00 0.00 99.35 20:35:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:36:01 all 0.57 0.00 0.35 0.34 0.00 98.74 20:36:01 0 0.52 0.00 0.47 0.05 0.00 98.97 20:36:01 1 0.85 0.00 0.30 0.03 0.00 98.82 20:36:01 2 0.37 0.00 0.28 0.52 0.00 98.83 20:36:01 3 0.53 0.00 0.35 0.73 0.00 98.38 Average: all 0.25 0.00 0.10 0.06 0.00 99.59 Average: 0 0.13 0.00 0.11 0.01 0.00 99.76 Average: 1 0.52 0.00 0.11 0.01 0.00 99.36 Average: 2 0.11 0.00 0.09 0.09 0.00 99.71 Average: 3 0.23 0.00 0.11 0.12 0.00 99.54