---> uname -a: Linux e71e49a659ed 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-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 572 69 0 1196 1160 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) 04/14/20 _x86_64_ (4 CPU) 03:22:43 LINUX RESTART 03:23:01 tps rtps wtps bread/s bwrtn/s 03:24:01 177.98 101.48 76.50 8309.12 37145.33 03:25:01 8.72 0.05 8.67 1.60 1790.44 03:26:01 2.24 0.00 2.24 0.00 75.57 03:27:01 0.27 0.00 0.27 0.00 2.83 03:28:02 0.23 0.00 0.23 0.00 3.59 03:29:01 0.47 0.00 0.47 0.00 8.15 03:30:01 85.41 55.72 29.69 3662.37 12059.71 Average: 39.44 22.53 16.91 1715.11 7317.29 03:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:24:01 115828 1766476 93.85 2620 1248944 977168 33.34 429448 1178624 49624 03:25:01 130752 1751552 93.05 2620 1248984 949348 32.39 414600 1178468 16 03:26:01 137420 1744884 92.70 2620 1248988 887732 30.29 408996 1178400 8 03:27:01 136360 1745944 92.76 2620 1249044 887852 30.29 409904 1178408 24 03:28:02 135876 1746428 92.78 2620 1248996 887996 30.30 410684 1178344 8 03:29:01 137296 1745008 92.71 2620 1249000 887828 30.29 409768 1178344 8 03:30:01 136304 1746000 92.76 2620 1198636 1100712 37.56 416692 1156164 107920 Average: 132834 1749470 92.94 2620 1241799 939805 32.07 414299 1175250 22515 03:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:24:01 eth0 233.03 169.61 987.37 79.59 0.00 0.00 0.00 03:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 docker0 0.93 0.78 0.22 1.72 0.00 0.00 0.00 03:25:01 eth0 0.75 0.32 0.36 0.23 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 0.98 0.08 0.09 0.01 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 1.80 0.52 0.53 0.22 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:02 eth0 0.83 0.75 0.53 0.40 0.00 0.00 0.00 03:28:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 eth0 0.27 0.19 0.14 0.07 0.00 0.00 0.00 03:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 eth0 84.62 58.10 2322.35 8.94 0.00 0.00 0.00 03:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.16 32.88 474.47 12.81 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.11 0.03 0.25 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) 03:22:43 LINUX RESTART 03:23:01 CPU %user %nice %system %iowait %steal %idle 03:24:01 all 14.96 0.00 9.02 8.99 19.20 47.83 03:24:01 0 13.28 0.00 9.09 9.41 20.43 47.80 03:24:01 1 15.82 0.00 8.84 12.22 18.59 44.53 03:24:01 2 16.69 0.00 9.86 5.78 19.10 48.57 03:24:01 3 14.03 0.00 8.31 8.46 18.68 50.51 03:25:01 all 0.18 0.00 0.07 0.00 0.26 99.48 03:25:01 0 0.42 0.00 0.07 0.00 0.52 99.00 03:25:01 1 0.05 0.00 0.07 0.00 0.17 99.72 03:25:01 2 0.07 0.00 0.15 0.00 0.10 99.68 03:25:01 3 0.20 0.00 0.03 0.00 0.23 99.53 03:26:01 all 0.10 0.00 0.07 0.00 0.49 99.33 03:26:01 0 0.30 0.00 0.05 0.00 0.75 98.91 03:26:01 1 0.05 0.00 0.05 0.00 0.66 99.24 03:26:01 2 0.03 0.00 0.10 0.00 0.37 99.50 03:26:01 3 0.03 0.00 0.08 0.00 0.22 99.67 03:27:01 all 0.10 0.00 0.04 0.00 0.38 99.47 03:27:01 0 0.32 0.00 0.08 0.00 0.42 99.18 03:27:01 1 0.03 0.00 0.05 0.00 0.47 99.45 03:27:01 2 0.03 0.00 0.02 0.00 0.18 99.77 03:27:01 3 0.03 0.00 0.02 0.00 0.45 99.50 03:28:02 all 0.11 0.00 0.07 0.00 0.40 99.42 03:28:02 0 0.32 0.00 0.12 0.00 0.30 99.27 03:28:02 1 0.05 0.00 0.05 0.00 0.55 99.35 03:28:02 2 0.03 0.00 0.05 0.00 0.46 99.45 03:28:02 3 0.03 0.00 0.03 0.00 0.32 99.62 03:29:01 all 0.14 0.00 0.05 0.00 0.30 99.51 03:29:01 0 0.02 0.00 0.03 0.00 0.15 99.80 03:29:01 1 0.07 0.00 0.08 0.00 0.22 99.63 03:29:01 2 0.35 0.00 0.07 0.00 0.54 99.04 03:29:01 3 0.12 0.00 0.07 0.00 0.25 99.56 03:30:01 all 3.07 0.00 1.70 2.17 7.86 85.20 03:30:01 0 2.78 0.00 1.23 2.27 7.89 85.84 03:30:01 1 2.47 0.00 1.69 1.43 7.63 86.79 03:30:01 2 4.03 0.00 2.30 1.49 7.77 84.41 03:30:01 3 3.00 0.00 1.60 3.48 8.18 83.74 Average: all 2.66 0.00 1.57 1.59 4.13 90.03 Average: 0 2.48 0.00 1.52 1.67 4.35 89.98 Average: 1 2.67 0.00 1.56 1.97 4.08 89.72 Average: 2 3.01 0.00 1.78 1.03 4.05 90.13 Average: 3 2.49 0.00 1.44 1.71 4.05 90.31