---> uname -a: Linux e4b282537ae8 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-40 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-40@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 596 65 0 1176 1137 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) 01/14/20 _x86_64_ (4 CPU) 21:46:00 LINUX RESTART 21:47:01 tps rtps wtps bread/s bwrtn/s 21:48:01 8.33 0.00 8.33 0.00 1746.24 21:49:01 0.25 0.00 0.25 0.00 3.46 21:50:01 0.32 0.00 0.32 0.00 3.78 21:51:01 0.27 0.00 0.27 0.00 3.25 21:52:01 0.35 0.00 0.35 0.00 5.18 21:53:01 0.27 0.00 0.27 0.00 3.65 21:54:01 0.27 0.00 0.27 0.00 2.98 21:55:02 60.42 54.69 5.73 3721.51 4061.60 Average: 8.82 6.85 1.97 466.24 729.87 21:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:48:01 125440 1756864 93.34 2620 1229496 913672 31.17 419588 1180664 20 21:49:01 126276 1756028 93.29 2620 1229500 911616 31.10 419732 1180364 12 21:50:01 124928 1757376 93.36 2620 1229508 911896 31.11 421052 1180344 20 21:51:01 125980 1756324 93.31 2620 1229508 911680 31.11 419788 1180344 20 21:52:01 124920 1757384 93.36 2620 1229512 911908 31.11 421164 1180344 8 21:53:01 126324 1755980 93.29 2620 1229520 911680 31.11 419832 1180340 12 21:54:01 131272 1751032 93.03 2620 1229520 911680 31.11 415024 1180340 8 21:55:02 72392 1809912 96.15 2620 1240408 1105120 37.71 442756 1200728 11092 Average: 119692 1762613 93.64 2620 1230872 936157 31.94 422367 1182934 1399 21:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:48:01 eth0 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 21:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 eth0 0.95 0.47 0.41 0.18 0.00 0.00 0.00 21:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:51:01 eth0 1.08 0.08 0.08 0.04 0.00 0.00 0.00 21:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 eth0 0.93 0.57 0.52 0.27 0.00 0.00 0.00 21:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 eth0 0.02 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 21:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:02 eth0 71.37 58.81 2079.91 8.05 0.00 0.00 0.00 21:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 9.35 7.54 260.71 1.07 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) 01/14/20 _x86_64_ (4 CPU) 21:46:00 LINUX RESTART 21:47:01 CPU %user %nice %system %iowait %steal %idle 21:48:01 all 0.11 0.00 0.11 0.00 0.31 99.47 21:48:01 0 0.28 0.00 0.07 0.00 0.43 99.22 21:48:01 1 0.03 0.00 0.15 0.00 0.28 99.53 21:48:01 2 0.07 0.00 0.13 0.00 0.35 99.45 21:48:01 3 0.05 0.00 0.07 0.00 0.17 99.72 21:49:01 all 0.08 0.00 0.03 0.00 0.22 99.66 21:49:01 0 0.05 0.00 0.05 0.00 0.15 99.75 21:49:01 1 0.07 0.00 0.03 0.00 0.30 99.60 21:49:01 2 0.15 0.00 0.03 0.00 0.22 99.60 21:49:01 3 0.03 0.00 0.02 0.00 0.23 99.72 21:50:01 all 0.10 0.00 0.04 0.00 0.25 99.62 21:50:01 0 0.07 0.00 0.03 0.00 0.20 99.70 21:50:01 1 0.27 0.00 0.05 0.00 0.40 99.28 21:50:01 2 0.03 0.00 0.03 0.00 0.28 99.65 21:50:01 3 0.05 0.00 0.03 0.00 0.08 99.83 21:51:01 all 0.08 0.00 0.05 0.00 0.22 99.65 21:51:01 0 0.03 0.00 0.07 0.00 0.33 99.57 21:51:01 1 0.20 0.00 0.05 0.00 0.18 99.57 21:51:01 2 0.07 0.00 0.03 0.00 0.27 99.63 21:51:01 3 0.03 0.00 0.05 0.00 0.12 99.80 21:52:01 all 0.10 0.00 0.04 0.00 0.15 99.72 21:52:01 0 0.03 0.00 0.03 0.00 0.12 99.82 21:52:01 1 0.03 0.00 0.05 0.00 0.07 99.85 21:52:01 2 0.32 0.00 0.07 0.00 0.35 99.27 21:52:01 3 0.02 0.00 0.03 0.00 0.05 99.90 21:53:01 all 0.10 0.00 0.04 0.00 0.18 99.68 21:53:01 0 0.03 0.00 0.03 0.00 0.18 99.75 21:53:01 1 0.03 0.00 0.07 0.00 0.20 99.70 21:53:01 2 0.30 0.00 0.03 0.00 0.27 99.40 21:53:01 3 0.03 0.00 0.00 0.00 0.07 99.90 21:54:01 all 0.12 0.00 0.05 0.00 0.21 99.63 21:54:01 0 0.02 0.00 0.03 0.00 0.12 99.83 21:54:01 1 0.03 0.00 0.05 0.00 0.10 99.82 21:54:01 2 0.33 0.00 0.05 0.00 0.15 99.47 21:54:01 3 0.08 0.00 0.05 0.00 0.47 99.40 21:55:02 all 1.54 0.00 0.98 1.05 1.63 94.79 21:55:02 0 1.47 0.00 1.30 1.55 1.40 94.27 21:55:02 1 1.90 0.00 0.93 0.48 1.77 94.91 21:55:02 2 1.08 0.00 0.66 0.78 1.63 95.85 21:55:02 3 1.72 0.00 1.07 1.39 1.74 94.09 Average: all 0.28 0.00 0.17 0.13 0.40 99.03 Average: 0 0.25 0.00 0.20 0.19 0.37 98.99 Average: 1 0.32 0.00 0.17 0.06 0.41 99.03 Average: 2 0.29 0.00 0.13 0.10 0.44 99.04 Average: 3 0.25 0.00 0.16 0.17 0.36 99.05