---> uname -a: Linux fb82d4fc5ab1 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/dry_go-mod-core-contracts_PR-203 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-203@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 578 68 0 1191 1156 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) 01/30/20 _x86_64_ (4 CPU) 15:07:02 LINUX RESTART 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 24.66 6.68 17.98 1728.04 2010.77 15:10:02 0.32 0.00 0.32 0.00 4.04 15:11:01 0.27 0.00 0.27 0.00 3.54 15:12:01 0.43 0.00 0.43 0.00 5.21 15:13:01 0.62 0.00 0.62 0.00 6.04 15:14:01 0.67 0.00 0.67 0.00 7.89 15:15:01 0.25 0.00 0.25 0.00 2.70 15:16:01 0.43 0.00 0.43 0.00 6.88 15:17:01 0.60 0.00 0.60 0.00 5.74 15:18:01 0.70 0.00 0.70 0.00 7.91 15:19:01 1.91 1.26 0.65 76.42 9.35 Average: 2.81 0.72 2.09 164.52 188.74 15:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 103308 1778996 94.51 2620 1258700 975668 33.29 419528 1199724 20 15:10:02 113516 1768788 93.97 2620 1258708 897956 30.64 411180 1199380 8 15:11:01 113452 1768852 93.97 2620 1258712 898120 30.64 411780 1199376 8 15:12:01 115320 1766984 93.87 2620 1258712 897796 30.63 409928 1199376 8 15:13:01 114612 1767692 93.91 2620 1258720 897880 30.64 410404 1199376 8 15:14:01 115004 1767300 93.89 2620 1258724 897796 30.63 409976 1199376 8 15:15:01 126744 1755560 93.27 2620 1258728 897820 30.63 398664 1199276 8 15:16:01 125552 1756752 93.33 2620 1258736 898012 30.64 399816 1199276 8 15:17:01 126668 1755636 93.27 2620 1258744 897796 30.63 398584 1199276 8 15:18:01 134384 1747920 92.86 2620 1258748 897856 30.63 390892 1199240 8 15:19:01 118644 1763660 93.70 2620 1261152 912204 31.12 397664 1200792 20 Average: 118837 1763467 93.69 2620 1258944 906264 30.92 405311 1199497 10 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:09:01 eth0 65.58 58.60 425.92 42.20 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 docker0 3.16 2.28 0.62 7.73 0.00 0.00 0.00 15:10:02 eth0 1.85 1.13 3.50 0.08 0.00 0.00 0.00 15:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 eth0 1.18 0.52 0.57 0.39 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 eth0 0.27 0.17 0.15 0.07 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 eth0 0.10 0.05 0.01 0.00 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 1.10 0.18 0.13 0.01 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 eth0 0.80 0.42 0.28 0.18 0.00 0.00 0.00 15:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 eth0 0.40 0.08 0.02 0.04 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 0.55 0.17 0.10 0.07 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 4.26 2.70 4.32 1.35 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.94 5.84 39.66 4.05 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.29 0.21 0.06 0.70 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) 01/30/20 _x86_64_ (4 CPU) 15:07:02 LINUX RESTART 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 2.81 0.00 1.84 0.22 6.04 89.10 15:09:01 0 3.41 0.00 2.10 0.45 6.22 87.82 15:09:01 1 2.04 0.00 1.60 0.21 6.22 89.93 15:09:01 2 3.64 0.00 2.07 0.08 6.13 88.08 15:09:01 3 2.15 0.00 1.59 0.15 5.59 90.52 15:10:02 all 0.14 0.00 0.10 0.00 0.41 99.36 15:10:02 0 0.25 0.00 0.07 0.00 0.45 99.24 15:10:02 1 0.12 0.00 0.12 0.00 0.60 99.17 15:10:02 2 0.13 0.00 0.15 0.00 0.33 99.38 15:10:02 3 0.07 0.00 0.08 0.00 0.25 99.60 15:11:01 all 0.10 0.00 0.04 0.00 0.52 99.33 15:11:01 0 0.20 0.00 0.03 0.00 0.52 99.24 15:11:01 1 0.07 0.00 0.05 0.00 0.73 99.16 15:11:01 2 0.03 0.00 0.05 0.00 0.54 99.38 15:11:01 3 0.08 0.00 0.03 0.00 0.32 99.56 15:12:01 all 0.10 0.00 0.05 0.00 0.30 99.55 15:12:01 0 0.22 0.00 0.03 0.00 0.18 99.57 15:12:01 1 0.10 0.00 0.08 0.00 0.70 99.12 15:12:01 2 0.05 0.00 0.03 0.00 0.15 99.77 15:12:01 3 0.03 0.00 0.03 0.00 0.15 99.78 15:13:01 all 0.13 0.00 0.05 0.00 0.23 99.59 15:13:01 0 0.35 0.00 0.03 0.00 0.20 99.42 15:13:01 1 0.08 0.00 0.07 0.00 0.30 99.55 15:13:01 2 0.07 0.00 0.05 0.00 0.28 99.60 15:13:01 3 0.05 0.00 0.03 0.00 0.15 99.77 15:14:01 all 0.17 0.00 0.05 0.00 0.12 99.67 15:14:01 0 0.40 0.00 0.02 0.00 0.15 99.43 15:14:01 1 0.13 0.00 0.07 0.00 0.18 99.62 15:14:01 2 0.05 0.00 0.03 0.00 0.07 99.85 15:14:01 3 0.08 0.00 0.05 0.00 0.08 99.78 15:15:01 all 0.15 0.00 0.05 0.00 0.14 99.66 15:15:01 0 0.38 0.00 0.05 0.00 0.12 99.45 15:15:01 1 0.12 0.00 0.08 0.00 0.23 99.57 15:15:01 2 0.05 0.00 0.03 0.00 0.05 99.87 15:15:01 3 0.03 0.00 0.05 0.00 0.18 99.73 15:16:01 all 0.15 0.00 0.05 0.00 0.18 99.62 15:16:01 0 0.35 0.00 0.02 0.00 0.27 99.37 15:16:01 1 0.08 0.00 0.08 0.00 0.28 99.55 15:16:01 2 0.07 0.00 0.07 0.00 0.05 99.82 15:16:01 3 0.12 0.00 0.07 0.00 0.08 99.73 15:17:01 all 0.15 0.00 0.06 0.00 0.22 99.57 15:17:01 0 0.08 0.00 0.03 0.00 0.18 99.70 15:17:01 1 0.10 0.00 0.08 0.00 0.25 99.57 15:17:01 2 0.32 0.00 0.05 0.00 0.13 99.50 15:17:01 3 0.08 0.00 0.07 0.00 0.33 99.52 15:18:01 all 0.13 0.00 0.04 0.00 0.23 99.60 15:18:01 0 0.05 0.00 0.03 0.00 0.30 99.62 15:18:01 1 0.05 0.00 0.03 0.00 0.20 99.72 15:18:01 2 0.42 0.00 0.05 0.00 0.22 99.32 15:18:01 3 0.02 0.00 0.03 0.00 0.23 99.72 15:19:01 all 0.31 0.00 0.30 0.02 0.47 98.90 15:19:01 0 0.37 0.00 0.40 0.05 0.77 98.42 15:19:01 1 0.25 0.00 0.25 0.00 0.37 99.13 15:19:01 2 0.45 0.00 0.33 0.00 0.33 98.88 15:19:01 3 0.18 0.00 0.22 0.02 0.40 99.18 Average: all 0.40 0.00 0.24 0.02 0.81 98.53 Average: 0 0.55 0.00 0.26 0.05 0.85 98.29 Average: 1 0.29 0.00 0.23 0.02 0.93 98.53 Average: 2 0.48 0.00 0.27 0.01 0.75 98.50 Average: 3 0.27 0.00 0.21 0.02 0.71 98.80