---> uname -a: Linux fa268c271616 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-messaging_PR-48 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-48@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 592 64 0 1180 1140 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) 03/04/20 _x86_64_ (4 CPU) 19:22:31 LINUX RESTART 19:23:02 tps rtps wtps bread/s bwrtn/s 19:24:02 46.41 11.84 34.58 2518.25 3402.37 19:25:01 2.52 0.00 2.52 0.00 81.52 19:26:01 0.28 0.00 0.28 0.00 3.08 19:27:01 0.35 0.00 0.35 0.00 5.66 19:28:01 0.52 0.00 0.52 0.00 5.76 19:29:01 0.78 0.00 0.78 0.00 9.69 19:30:01 0.57 0.00 0.57 0.00 6.40 Average: 7.27 1.67 5.60 355.55 496.28 19:23:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:24:02 116632 1765672 93.80 2620 1238068 935936 31.93 431548 1175428 16 19:25:01 123256 1759048 93.45 2620 1238080 903480 30.83 426352 1175200 8 19:26:01 123848 1758456 93.42 2620 1238084 903384 30.82 425664 1175192 12 19:27:01 122208 1760096 93.51 2620 1238084 903600 30.83 427104 1175192 12 19:28:01 123092 1759212 93.46 2620 1238092 903528 30.83 426684 1175192 8 19:29:01 123288 1759016 93.45 2620 1238096 903468 30.83 426376 1175192 8 19:30:01 123820 1758484 93.42 2620 1238100 903384 30.82 425848 1175188 8 Average: 122306 1759998 93.50 2620 1238086 908111 30.98 427082 1175226 10 19:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:24:02 eth0 388.35 274.92 845.41 84.15 0.00 0.00 0.00 19:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:02 docker0 1.20 1.15 0.23 1.52 0.00 0.00 0.00 19:25:01 eth0 3.98 1.52 3.77 0.11 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 eth0 0.43 0.07 0.04 0.01 0.00 0.00 0.00 19:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 eth0 1.08 0.48 0.31 0.21 0.00 0.00 0.00 19:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 eth0 0.72 0.37 0.29 0.17 0.00 0.00 0.00 19:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 eth0 0.32 0.22 0.14 0.10 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 eth0 0.52 0.08 0.04 0.01 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 55.83 39.21 120.01 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 0.17 0.16 0.03 0.22 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) 03/04/20 _x86_64_ (4 CPU) 19:22:31 LINUX RESTART 19:23:02 CPU %user %nice %system %iowait %steal %idle 19:24:02 all 7.37 0.00 2.69 1.24 0.01 88.70 19:24:02 0 6.20 0.00 3.29 1.16 0.02 89.33 19:24:02 1 7.81 0.00 2.21 0.05 0.02 89.91 19:24:02 2 7.24 0.00 2.86 3.63 0.02 86.25 19:24:02 3 8.22 0.00 2.35 0.12 0.00 89.31 19:25:01 all 0.13 0.00 0.07 0.00 0.00 99.80 19:25:01 0 0.12 0.00 0.08 0.00 0.00 99.80 19:25:01 1 0.12 0.00 0.07 0.00 0.00 99.81 19:25:01 2 0.20 0.00 0.07 0.00 0.00 99.73 19:25:01 3 0.07 0.00 0.07 0.00 0.00 99.86 19:26:01 all 0.13 0.00 0.06 0.00 0.00 99.81 19:26:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:26:01 2 0.42 0.00 0.08 0.00 0.00 99.50 19:26:01 3 0.02 0.00 0.05 0.00 0.00 99.93 19:27:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:27:01 1 0.07 0.00 0.05 0.00 0.00 99.88 19:27:01 2 0.53 0.00 0.03 0.00 0.00 99.43 19:27:01 3 0.10 0.00 0.07 0.00 0.02 99.82 19:28:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:28:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:28:01 1 0.05 0.00 0.08 0.00 0.00 99.87 19:28:01 2 0.55 0.00 0.03 0.00 0.00 99.42 19:28:01 3 0.07 0.00 0.07 0.00 0.00 99.87 19:29:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:29:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:29:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:29:01 2 0.57 0.00 0.05 0.00 0.00 99.38 19:29:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:30:01 all 0.18 0.00 0.05 0.00 0.00 99.77 19:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:30:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:30:01 2 0.57 0.00 0.07 0.00 0.00 99.37 19:30:01 3 0.08 0.00 0.07 0.00 0.00 99.85 Average: all 1.17 0.00 0.42 0.17 0.00 98.23 Average: 0 0.92 0.00 0.50 0.16 0.00 98.42 Average: 1 1.15 0.00 0.36 0.01 0.00 98.48 Average: 2 1.42 0.00 0.45 0.51 0.00 97.62 Average: 3 1.21 0.00 0.38 0.02 0.00 98.39