---> uname -a: Linux 54792f619983 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 6.2G 43.7G 12% / 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 6.2G 43.7G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp /dev/vda1 50.0G 6.2G 43.7G 12% /var/log/sa /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/exfoundry_go-mod-messaging_PR-43 ---> free -m: total used free shared buff/cache available Mem: 1838 623 69 0 1145 1110 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) 04/15/20 _x86_64_ (4 CPU) 00:09:30 LINUX RESTART 00:10:02 tps rtps wtps bread/s bwrtn/s 00:11:02 45.02 10.14 34.88 2353.70 3430.58 00:12:01 2.52 0.00 2.52 0.00 84.28 00:13:01 0.63 0.00 0.63 0.00 8.93 00:14:01 0.23 0.00 0.23 0.00 3.18 00:15:01 0.20 0.00 0.20 0.00 3.15 Average: 9.63 2.01 7.62 466.27 699.36 00:10:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:11:02 97440 1784864 94.82 2620 1233728 943488 32.19 448160 1177732 16 00:12:01 105588 1776716 94.39 2620 1233732 900668 30.73 441640 1177444 8 00:13:01 105088 1777216 94.42 2620 1233744 900800 30.73 442312 1177448 8 00:14:01 104604 1777700 94.44 2620 1233744 900860 30.74 442672 1177444 8 00:15:01 105200 1777104 94.41 2620 1233752 900796 30.73 442588 1177444 12 Average: 103584 1778720 94.50 2620 1233740 909322 31.03 443474 1177502 10 00:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:11:02 eth0 235.08 148.49 637.42 59.57 0.00 0.00 0.00 00:11:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:11:02 docker0 1.12 0.95 0.24 1.74 0.00 0.00 0.00 00:12:01 eth0 0.29 0.08 0.02 0.04 0.00 0.00 0.00 00:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:13:01 eth0 2.10 0.35 0.41 0.17 0.00 0.00 0.00 00:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:14:01 eth0 1.15 0.52 0.56 0.39 0.00 0.00 0.00 00:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:15:01 eth0 1.50 0.35 0.41 0.27 0.00 0.00 0.00 00:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 47.58 29.68 126.55 11.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.22 0.19 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) 04/15/20 _x86_64_ (4 CPU) 00:09:30 LINUX RESTART 00:10:02 CPU %user %nice %system %iowait %steal %idle 00:11:02 all 6.76 0.00 2.67 1.21 0.02 89.33 00:11:02 0 6.42 0.00 3.20 0.14 0.02 90.22 00:11:02 1 6.46 0.00 2.35 1.04 0.02 90.14 00:11:02 2 7.31 0.00 2.11 0.39 0.00 90.19 00:11:02 3 6.87 0.00 2.99 3.28 0.02 86.83 00:12:01 all 0.18 0.00 0.06 0.00 0.00 99.76 00:12:01 0 0.07 0.00 0.07 0.00 0.00 99.86 00:12:01 1 0.07 0.00 0.05 0.00 0.00 99.88 00:12:01 2 0.03 0.00 0.05 0.00 0.00 99.92 00:12:01 3 0.56 0.00 0.07 0.00 0.00 99.37 00:13:01 all 0.20 0.00 0.05 0.00 0.00 99.75 00:13:01 0 0.07 0.00 0.05 0.00 0.00 99.88 00:13:01 1 0.10 0.00 0.03 0.00 0.00 99.87 00:13:01 2 0.07 0.00 0.05 0.00 0.02 99.87 00:13:01 3 0.57 0.00 0.05 0.00 0.00 99.38 00:14:01 all 0.19 0.00 0.05 0.00 0.00 99.75 00:14:01 0 0.07 0.00 0.03 0.00 0.00 99.90 00:14:01 1 0.55 0.00 0.05 0.00 0.00 99.40 00:14:01 2 0.07 0.00 0.07 0.00 0.00 99.87 00:14:01 3 0.08 0.00 0.07 0.00 0.02 99.83 00:15:01 all 0.20 0.00 0.05 0.00 0.00 99.74 00:15:01 0 0.47 0.00 0.03 0.00 0.00 99.50 00:15:01 1 0.23 0.00 0.05 0.00 0.00 99.72 00:15:01 2 0.07 0.00 0.05 0.00 0.00 99.88 00:15:01 3 0.07 0.00 0.07 0.00 0.00 99.87 Average: all 1.49 0.00 0.57 0.24 0.01 97.69 Average: 0 1.40 0.00 0.67 0.03 0.00 97.90 Average: 1 1.46 0.00 0.50 0.20 0.00 97.83 Average: 2 1.49 0.00 0.46 0.08 0.00 97.97 Average: 3 1.61 0.00 0.64 0.65 0.01 97.09