---> uname -a: Linux d99afb81cef9 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-215 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-215@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 612 67 0 1158 1121 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) 02/13/20 _x86_64_ (4 CPU) 15:20:52 LINUX RESTART 15:22:01 tps rtps wtps bread/s bwrtn/s 15:23:01 10.17 0.00 10.17 0.00 1720.63 15:24:01 0.27 0.00 0.27 0.00 3.33 15:25:01 0.25 0.00 0.25 0.00 3.01 15:26:01 0.57 0.00 0.57 0.00 7.66 15:27:01 0.82 0.00 0.82 0.00 9.81 15:28:01 0.58 0.00 0.58 0.00 6.26 15:29:01 77.54 48.85 28.69 3432.30 11853.61 Average: 12.89 6.98 5.91 490.39 1943.70 15:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:23:01 112212 1770092 94.04 2620 1225144 914676 31.21 437876 1173876 8 15:24:01 114376 1767928 93.92 2620 1225148 894008 30.50 436644 1173560 8 15:25:01 113880 1768424 93.95 2620 1225156 894068 30.51 437120 1173560 8 15:26:01 114020 1768284 93.94 2620 1225208 894056 30.50 437248 1173568 16 15:27:01 114432 1767872 93.92 2620 1225164 893996 30.50 436632 1173560 8 15:28:01 115072 1767232 93.89 2620 1225168 893900 30.50 436244 1173556 8 15:29:01 165336 1716968 91.22 2620 1134708 991984 33.85 413208 1120704 83368 Average: 121333 1760971 93.55 2620 1212242 910955 31.08 433567 1166055 11918 15:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:23:01 eth0 1.32 0.30 0.33 0.20 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 eth0 1.55 0.37 0.36 0.20 0.00 0.00 0.00 15:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 eth0 1.83 0.68 0.65 0.40 0.00 0.00 0.00 15:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 eth0 0.77 0.42 0.28 0.21 0.00 0.00 0.00 15:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 eth0 0.63 0.32 0.18 0.08 0.00 0.00 0.00 15:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 eth0 0.33 0.08 0.02 0.01 0.00 0.00 0.00 15:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 eth0 85.23 72.49 2113.09 10.00 0.00 0.00 0.00 15:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 13.10 10.67 302.17 1.59 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) 02/13/20 _x86_64_ (4 CPU) 15:20:52 LINUX RESTART 15:22:01 CPU %user %nice %system %iowait %steal %idle 15:23:01 all 0.09 0.00 0.10 0.00 0.00 99.80 15:23:01 0 0.08 0.00 0.07 0.00 0.00 99.85 15:23:01 1 0.10 0.00 0.13 0.00 0.00 99.77 15:23:01 2 0.08 0.00 0.17 0.00 0.00 99.75 15:23:01 3 0.10 0.00 0.08 0.00 0.00 99.82 15:24:01 all 0.19 0.00 0.06 0.00 0.00 99.75 15:24:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:24:01 1 0.13 0.00 0.10 0.00 0.02 99.75 15:24:01 2 0.08 0.00 0.05 0.00 0.00 99.87 15:24:01 3 0.50 0.00 0.03 0.00 0.00 99.47 15:25:01 all 0.19 0.00 0.07 0.00 0.00 99.74 15:25:01 0 0.07 0.00 0.07 0.00 0.02 99.85 15:25:01 1 0.08 0.00 0.07 0.00 0.00 99.85 15:25:01 2 0.05 0.00 0.10 0.00 0.02 99.83 15:25:01 3 0.57 0.00 0.05 0.00 0.00 99.38 15:26:01 all 0.20 0.00 0.06 0.00 0.00 99.75 15:26:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:26:01 1 0.13 0.00 0.08 0.00 0.00 99.78 15:26:01 2 0.08 0.00 0.05 0.00 0.00 99.87 15:26:01 3 0.52 0.00 0.05 0.00 0.00 99.43 15:27:01 all 0.09 0.00 0.08 0.00 0.00 99.83 15:27:01 0 0.07 0.00 0.07 0.00 0.00 99.87 15:27:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:27:01 2 0.07 0.00 0.08 0.00 0.00 99.85 15:27:01 3 0.17 0.00 0.12 0.00 0.00 99.72 15:28:01 all 0.10 0.00 0.05 0.00 0.00 99.84 15:28:01 0 0.07 0.00 0.07 0.00 0.00 99.87 15:28:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:28:01 2 0.23 0.00 0.08 0.00 0.00 99.68 15:28:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:29:01 all 4.09 0.00 2.38 1.28 0.01 92.25 15:29:01 0 3.40 0.00 2.39 1.12 0.02 93.07 15:29:01 1 4.39 0.00 2.36 1.47 0.02 91.76 15:29:01 2 4.52 0.00 2.29 1.41 0.00 91.79 15:29:01 3 4.06 0.00 2.48 1.09 0.02 92.36 Average: all 0.71 0.00 0.40 0.18 0.00 98.71 Average: 0 0.54 0.00 0.39 0.16 0.00 98.90 Average: 1 0.71 0.00 0.40 0.21 0.00 98.68 Average: 2 0.73 0.00 0.40 0.20 0.00 98.67 Average: 3 0.85 0.00 0.41 0.15 0.00 98.59