---> uname -a: Linux 280a87c1fb4b 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-53 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 584 72 0 1181 1150 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) 04/21/20 _x86_64_ (4 CPU) 19:20:22 LINUX RESTART 19:21:02 tps rtps wtps bread/s bwrtn/s 19:22:01 41.29 15.45 25.84 2846.26 1978.29 19:23:01 13.40 0.00 13.40 0.00 1568.70 19:24:01 0.30 0.00 0.30 0.00 3.61 19:25:01 0.30 0.00 0.30 0.00 3.33 19:26:01 0.22 0.00 0.22 0.00 3.15 19:27:01 0.40 0.00 0.40 0.00 4.88 Average: 9.24 2.54 6.69 468.25 590.09 19:21:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 113272 1769032 93.98 2620 1251796 950860 32.44 418812 1187936 43464 19:23:01 116684 1765620 93.80 2620 1251916 936648 31.96 415448 1187592 8 19:24:01 114756 1767548 93.90 2620 1251924 936672 31.96 417620 1187548 8 19:25:01 118572 1763732 93.70 2620 1251924 884460 30.18 415200 1186924 20 19:26:01 119712 1762592 93.64 2620 1251932 884220 30.17 413804 1186924 16 19:27:01 119180 1763124 93.67 2620 1251936 884316 30.17 417812 1183680 8 Average: 117029 1765275 93.78 2620 1251905 912863 31.15 416449 1186767 7254 19:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:22:01 eth0 259.42 179.81 1000.06 86.88 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 1.34 1.05 0.26 1.86 0.00 0.00 0.00 19:23:01 eth0 1.20 0.60 1.21 0.04 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 1.25 0.32 0.33 0.14 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 1.40 0.77 0.61 0.43 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 0.07 0.07 0.01 0.04 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 0.30 0.20 0.14 0.07 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 Average: eth0 43.38 29.91 164.91 14.41 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 0.17 0.04 0.31 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) 04/21/20 _x86_64_ (4 CPU) 19:20:22 LINUX RESTART 19:21:02 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 11.65 0.00 4.46 1.44 15.30 67.15 19:22:01 0 10.57 0.00 5.20 0.74 17.46 66.04 19:22:01 1 12.76 0.00 4.09 1.24 14.76 67.15 19:22:01 2 12.13 0.00 4.63 3.59 14.13 65.51 19:22:01 3 11.17 0.00 3.91 0.19 14.87 69.86 19:23:01 all 0.12 0.00 0.08 0.00 0.59 99.21 19:23:01 0 0.08 0.00 0.07 0.00 0.48 99.37 19:23:01 1 0.07 0.00 0.17 0.00 0.85 98.92 19:23:01 2 0.07 0.00 0.05 0.00 0.55 99.34 19:23:01 3 0.27 0.00 0.03 0.00 0.45 99.25 19:24:01 all 0.10 0.00 0.03 0.00 0.96 98.90 19:24:01 0 0.05 0.00 0.05 0.00 1.43 98.47 19:24:01 1 0.08 0.00 0.05 0.00 1.53 98.34 19:24:01 2 0.02 0.00 0.02 0.00 0.40 99.57 19:24:01 3 0.27 0.00 0.03 0.00 0.48 99.22 19:25:01 all 0.10 0.00 0.05 0.00 0.38 99.48 19:25:01 0 0.08 0.00 0.05 0.00 0.91 98.96 19:25:01 1 0.05 0.00 0.07 0.00 0.13 99.75 19:25:01 2 0.05 0.00 0.02 0.00 0.20 99.73 19:25:01 3 0.23 0.00 0.05 0.00 0.25 99.47 19:26:01 all 0.12 0.00 0.04 0.00 0.13 99.71 19:26:01 0 0.05 0.00 0.03 0.00 0.08 99.83 19:26:01 1 0.05 0.00 0.05 0.00 0.15 99.75 19:26:01 2 0.03 0.00 0.02 0.00 0.07 99.88 19:26:01 3 0.33 0.00 0.05 0.00 0.20 99.42 19:27:01 all 0.12 0.00 0.04 0.00 0.20 99.64 19:27:01 0 0.02 0.00 0.02 0.00 0.12 99.85 19:27:01 1 0.05 0.00 0.07 0.00 0.28 99.60 19:27:01 2 0.05 0.00 0.03 0.00 0.10 99.82 19:27:01 3 0.33 0.00 0.03 0.00 0.32 99.32 Average: all 2.06 0.00 0.79 0.24 2.96 93.95 Average: 0 1.82 0.00 0.91 0.12 3.44 93.70 Average: 1 2.19 0.00 0.75 0.21 2.97 93.88 Average: 2 2.08 0.00 0.80 0.61 2.60 93.91 Average: 3 2.14 0.00 0.70 0.03 2.81 94.31