---> uname -a: Linux 6379a279df55 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-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 596 73 0 1167 1136 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) 04/14/20 _x86_64_ (4 CPU) 03:35:26 LINUX RESTART 03:36:01 tps rtps wtps bread/s bwrtn/s 03:37:01 36.96 6.29 30.66 1849.84 2111.79 03:38:01 2.68 0.00 2.68 0.00 89.66 03:39:01 0.23 0.00 0.23 0.00 3.63 03:40:01 0.33 0.00 0.33 0.00 4.18 03:41:01 130.92 89.06 41.87 5125.33 17167.58 Average: 34.22 19.07 15.16 1395.02 3875.12 03:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:37:01 112904 1769400 94.00 2620 1236224 935796 31.93 429388 1181360 12 03:38:01 121004 1761300 93.57 2620 1236228 892748 30.46 422764 1181060 20 03:39:01 119972 1762332 93.63 2620 1236296 892976 30.47 423928 1181072 28 03:40:01 119636 1762668 93.64 2620 1236240 892976 30.47 424088 1181060 12 03:41:01 117520 1764784 93.76 2620 1198628 926020 31.60 410804 1162828 83128 Average: 118207 1764097 93.72 2620 1228723 908103 30.98 422194 1177476 16640 03:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:37:01 eth0 128.67 84.42 434.15 33.88 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 1.28 1.12 0.25 1.72 0.00 0.00 0.00 03:38:01 eth0 0.95 0.08 0.09 0.01 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 eth0 1.32 0.45 0.56 0.38 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 0.52 0.33 0.27 0.20 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 veth9d77045 0.00 0.05 0.00 0.00 0.00 0.00 0.00 03:41:01 eth0 590.97 362.70 3371.58 97.70 0.00 0.00 0.00 03:41:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 03:41:01 docker0 1.28 1.12 0.25 1.72 0.00 0.00 0.00 Average: veth9d77045 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 118.18 72.53 674.25 19.54 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.22 0.05 0.34 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) 04/14/20 _x86_64_ (4 CPU) 03:35:26 LINUX RESTART 03:36:01 CPU %user %nice %system %iowait %steal %idle 03:37:01 all 3.11 0.00 1.65 0.72 0.01 94.52 03:37:01 0 2.83 0.00 1.44 0.05 0.00 95.68 03:37:01 1 3.04 0.00 1.74 0.12 0.02 95.08 03:37:01 2 2.98 0.00 1.76 1.46 0.00 93.80 03:37:01 3 3.57 0.00 1.66 1.22 0.00 93.56 03:38:01 all 0.20 0.00 0.08 0.00 0.00 99.71 03:38:01 0 0.55 0.00 0.08 0.00 0.02 99.35 03:38:01 1 0.03 0.00 0.07 0.00 0.00 99.90 03:38:01 2 0.07 0.00 0.08 0.00 0.00 99.85 03:38:01 3 0.13 0.00 0.10 0.00 0.02 99.75 03:39:01 all 0.20 0.00 0.05 0.00 0.00 99.75 03:39:01 0 0.58 0.00 0.05 0.00 0.00 99.37 03:39:01 1 0.07 0.00 0.07 0.00 0.00 99.87 03:39:01 2 0.08 0.00 0.05 0.00 0.00 99.87 03:39:01 3 0.08 0.00 0.05 0.00 0.00 99.87 03:40:01 all 0.18 0.00 0.04 0.00 0.00 99.78 03:40:01 0 0.17 0.00 0.03 0.00 0.00 99.80 03:40:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:40:01 2 0.45 0.00 0.03 0.00 0.00 99.52 03:40:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:41:01 all 4.99 0.00 3.04 1.59 0.01 90.38 03:41:01 0 4.37 0.00 2.96 1.36 0.00 91.31 03:41:01 1 4.42 0.00 3.10 1.05 0.02 91.41 03:41:01 2 5.07 0.00 2.90 2.86 0.02 89.15 03:41:01 3 6.10 0.00 3.22 1.07 0.00 89.61 Average: all 1.73 0.00 0.97 0.46 0.00 96.84 Average: 0 1.70 0.00 0.91 0.28 0.00 97.11 Average: 1 1.52 0.00 1.00 0.23 0.01 97.24 Average: 2 1.73 0.00 0.96 0.86 0.00 96.45 Average: 3 1.98 0.00 1.01 0.46 0.00 96.55