---> uname -a: Linux dcf7880837cd 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: 2933.438 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 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/exfoundry_go-mod-bootstrap_PR-60 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-60@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 610 67 0 1160 1122 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) 03/26/20 _x86_64_ (4 CPU) 04:57:34 LINUX RESTART 04:58:01 tps rtps wtps bread/s bwrtn/s 04:59:01 90.04 31.02 59.03 4746.81 26023.11 05:00:01 9.24 0.08 9.15 2.66 1766.23 05:01:01 2.26 0.02 2.25 0.13 76.79 05:02:01 0.86 0.14 0.73 2.71 10.77 05:03:01 0.22 0.00 0.22 0.00 2.78 05:04:01 1.48 1.12 0.37 72.47 5.53 Average: 17.42 5.42 12.00 807.39 4666.14 04:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:59:01 110136 1772168 94.15 2620 1225872 983676 33.56 438540 1175544 48756 05:00:01 118472 1763832 93.71 2620 1226092 895448 30.55 434368 1172520 24 05:01:01 117068 1765236 93.78 2620 1226136 897968 30.64 435392 1172536 16 05:02:01 116240 1766064 93.82 2620 1226252 896252 30.58 438308 1170308 8 05:03:01 116224 1766080 93.83 2620 1226292 896312 30.58 438576 1170316 32 05:04:01 101608 1780696 94.60 2620 1228468 910624 31.07 444632 1171100 48 Average: 113291 1769013 93.98 2620 1226519 913380 31.16 438303 1172054 8147 04:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:59:01 eth0 239.44 180.67 989.53 81.76 0.00 0.00 0.00 04:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 docker0 1.40 1.21 0.28 1.98 0.00 0.00 0.00 05:00:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 05:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 eth0 1.40 0.15 0.20 0.01 0.00 0.00 0.00 05:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 eth0 2.17 0.51 0.63 0.36 0.00 0.00 0.00 05:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 eth0 0.75 0.45 0.30 0.24 0.00 0.00 0.00 05:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 eth0 5.56 3.35 4.14 1.44 0.00 0.00 0.00 05:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 41.73 30.99 166.48 14.02 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.23 0.20 0.05 0.33 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) 03/26/20 _x86_64_ (4 CPU) 04:57:34 LINUX RESTART 04:58:01 CPU %user %nice %system %iowait %steal %idle 04:59:01 all 14.21 0.00 6.83 4.68 14.50 59.77 04:59:01 0 17.27 0.00 8.68 3.23 15.48 55.34 04:59:01 1 11.32 0.00 5.78 4.19 15.19 63.51 04:59:01 2 14.14 0.00 5.98 3.22 13.78 62.89 04:59:01 3 14.21 0.00 6.94 8.18 13.52 57.15 05:00:01 all 0.17 0.00 0.13 0.00 0.52 99.19 05:00:01 0 0.07 0.00 0.08 0.00 0.37 99.48 05:00:01 1 0.43 0.00 0.27 0.00 0.42 98.88 05:00:01 2 0.07 0.00 0.08 0.00 0.58 99.27 05:00:01 3 0.10 0.00 0.08 0.00 0.71 99.10 05:01:01 all 0.10 0.00 0.05 0.00 1.34 98.50 05:01:01 0 0.03 0.00 0.03 0.00 0.78 99.16 05:01:01 1 0.21 0.00 0.07 0.00 1.68 98.04 05:01:01 2 0.05 0.00 0.05 0.00 0.60 99.30 05:01:01 3 0.11 0.00 0.07 0.00 2.29 97.53 05:02:01 all 0.14 0.00 0.05 0.01 0.36 99.44 05:02:01 0 0.07 0.00 0.05 0.02 0.41 99.46 05:02:01 1 0.10 0.00 0.08 0.00 0.32 99.49 05:02:01 2 0.10 0.00 0.05 0.00 0.49 99.36 05:02:01 3 0.29 0.00 0.02 0.00 0.22 99.47 05:03:01 all 0.14 0.00 0.05 0.00 0.11 99.70 05:03:01 0 0.32 0.00 0.03 0.00 0.07 99.58 05:03:01 1 0.08 0.00 0.05 0.00 0.20 99.67 05:03:01 2 0.08 0.00 0.07 0.00 0.18 99.67 05:03:01 3 0.07 0.00 0.07 0.00 0.02 99.85 05:04:01 all 0.35 0.00 0.28 0.01 0.26 99.11 05:04:01 0 0.55 0.00 0.40 0.02 0.12 98.91 05:04:01 1 0.42 0.00 0.23 0.02 0.13 99.20 05:04:01 2 0.23 0.00 0.27 0.00 0.58 98.92 05:04:01 3 0.18 0.00 0.18 0.02 0.18 99.43 Average: all 2.54 0.00 1.24 0.79 2.87 92.55 Average: 0 3.07 0.00 1.56 0.55 2.89 91.94 Average: 1 2.15 0.00 1.11 0.72 3.07 92.94 Average: 2 2.48 0.00 1.10 0.54 2.73 93.15 Average: 3 2.47 0.00 1.21 1.35 2.81 92.15