---> uname -a: Linux 2c21ab966d8b 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 6.3G 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-messaging_PR-45 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-45@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 73 0 1168 1138 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) 02/10/20 _x86_64_ (4 CPU) 16:56:54 LINUX RESTART 16:58:01 tps rtps wtps bread/s bwrtn/s 16:59:01 8.78 0.02 8.76 0.53 1735.12 17:00:01 0.68 0.00 0.68 0.00 8.36 17:01:02 0.75 0.02 0.73 0.13 8.13 17:02:01 0.51 0.12 0.39 2.17 8.13 17:03:01 0.35 0.00 0.35 0.00 5.18 17:04:01 0.28 0.00 0.28 0.00 3.28 17:05:01 14.74 14.47 0.27 1708.59 3.81 Average: 3.73 2.09 1.64 245.05 253.75 16:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:59:01 115224 1767080 93.88 2620 1240000 926400 31.61 413556 1195732 8 17:00:01 114900 1767404 93.90 2620 1240008 926472 31.61 414648 1195444 8 17:01:02 115628 1766676 93.86 2620 1240016 914484 31.20 414016 1195016 8 17:02:01 115376 1766928 93.87 2620 1240156 912696 31.14 414540 1195092 20 17:03:01 115864 1766440 93.84 2620 1240160 912652 31.14 413876 1195092 16 17:04:01 116460 1765844 93.81 2620 1240168 912580 31.14 413640 1195088 20 17:05:01 76280 1806024 95.95 2620 1259164 940368 32.08 427344 1215136 96 Average: 109962 1772342 94.16 2620 1242810 920807 31.42 415946 1198086 25 16:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:59:01 eth0 0.67 0.20 0.26 0.02 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 eth0 0.37 0.28 0.26 0.19 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:02 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 17:01:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.54 0.44 0.28 0.21 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 0.33 0.27 0.14 0.08 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 eth0 0.98 0.07 0.07 0.01 0.00 0.00 0.00 17:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 eth0 7.66 5.36 7.57 2.80 0.00 0.00 0.00 17:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.64 0.96 1.24 0.47 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) 02/10/20 _x86_64_ (4 CPU) 16:56:54 LINUX RESTART 16:58:01 CPU %user %nice %system %iowait %steal %idle 16:59:01 all 0.19 0.00 0.10 0.00 0.00 99.71 16:59:01 0 0.10 0.00 0.07 0.00 0.00 99.83 16:59:01 1 0.10 0.00 0.10 0.00 0.00 99.80 16:59:01 2 0.05 0.00 0.18 0.00 0.00 99.77 16:59:01 3 0.52 0.00 0.07 0.00 0.00 99.42 17:00:01 all 0.16 0.00 0.05 0.00 0.00 99.79 17:00:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:00:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:00:01 2 0.10 0.00 0.07 0.00 0.02 99.82 17:00:01 3 0.42 0.00 0.07 0.00 0.00 99.52 17:01:02 all 0.16 0.00 0.05 0.00 0.00 99.78 17:01:02 0 0.03 0.00 0.05 0.00 0.00 99.92 17:01:02 1 0.03 0.00 0.03 0.00 0.00 99.93 17:01:02 2 0.08 0.00 0.05 0.00 0.00 99.87 17:01:02 3 0.50 0.00 0.08 0.00 0.00 99.42 17:02:01 all 0.19 0.00 0.06 0.00 0.00 99.75 17:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:02:01 1 0.12 0.00 0.05 0.00 0.00 99.83 17:02:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:02:01 3 0.58 0.00 0.07 0.00 0.00 99.36 17:03:01 all 0.17 0.00 0.05 0.00 0.00 99.78 17:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:03:01 1 0.07 0.00 0.08 0.00 0.02 99.83 17:03:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:03:01 3 0.53 0.00 0.05 0.00 0.00 99.42 17:04:01 all 0.18 0.00 0.03 0.00 0.00 99.79 17:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:04:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:04:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:04:01 3 0.55 0.00 0.03 0.00 0.00 99.42 17:05:01 all 0.53 0.00 0.33 0.29 0.00 98.85 17:05:01 0 0.58 0.00 0.45 0.33 0.00 98.63 17:05:01 1 0.53 0.00 0.30 0.55 0.00 98.61 17:05:01 2 0.30 0.00 0.32 0.28 0.00 99.10 17:05:01 3 0.70 0.00 0.25 0.00 0.00 99.05 Average: all 0.23 0.00 0.10 0.04 0.00 99.63 Average: 0 0.12 0.00 0.10 0.05 0.00 99.73 Average: 1 0.14 0.00 0.10 0.08 0.00 99.69 Average: 2 0.10 0.00 0.11 0.04 0.00 99.75 Average: 3 0.54 0.00 0.09 0.00 0.00 99.37