---> uname -a: Linux e90cea2d4ebc 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-238 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-238@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 598 75 0 1164 1135 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) 04/10/20 _x86_64_ (4 CPU) 19:28:41 LINUX RESTART 19:29:01 tps rtps wtps bread/s bwrtn/s 19:30:01 90.83 29.72 61.11 4664.69 25148.08 19:31:01 3.53 0.00 3.53 0.00 113.46 19:32:01 0.27 0.00 0.27 0.00 3.90 19:33:01 0.28 0.00 0.28 0.00 3.12 Average: 23.74 7.43 16.30 1166.66 6319.76 19:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:01 119300 1763004 93.66 2620 1231160 933008 31.83 430596 1171292 16 19:31:01 128752 1753552 93.16 2620 1231192 894592 30.52 424396 1171132 8 19:32:01 127536 1754768 93.22 2620 1231260 894836 30.53 425488 1171132 24 19:33:01 127748 1754556 93.21 2620 1231204 894788 30.53 425308 1171120 20 Average: 125834 1756470 93.31 2620 1231204 904306 30.85 426447 1171169 17 19:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:30:01 eth0 417.38 262.28 1013.20 91.81 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 3.31 2.13 0.71 8.61 0.00 0.00 0.00 19:31:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 1.48 0.48 0.34 0.18 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 1.13 0.53 0.56 0.39 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 105.25 65.87 253.65 23.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.53 0.18 2.15 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) 04/10/20 _x86_64_ (4 CPU) 19:28:41 LINUX RESTART 19:29:01 CPU %user %nice %system %iowait %steal %idle 19:30:01 all 12.47 0.00 4.54 3.02 0.02 79.95 19:30:01 0 10.77 0.00 5.01 2.98 0.02 81.22 19:30:01 1 13.23 0.00 4.15 3.27 0.02 79.33 19:30:01 2 12.84 0.00 4.82 2.42 0.02 79.92 19:30:01 3 13.07 0.00 4.16 3.40 0.02 79.35 19:31:01 all 0.18 0.00 0.05 0.00 0.00 99.76 19:31:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:31:01 1 0.12 0.00 0.08 0.00 0.00 99.80 19:31:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:31:01 3 0.52 0.00 0.05 0.00 0.00 99.43 19:32:01 all 0.20 0.00 0.04 0.00 0.00 99.76 19:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:32:01 1 0.10 0.00 0.05 0.00 0.02 99.83 19:32:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:32:01 3 0.62 0.00 0.05 0.00 0.00 99.33 19:33:01 all 0.13 0.00 0.04 0.00 0.00 99.83 19:33:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:33:01 1 0.10 0.00 0.05 0.00 0.00 99.85 19:33:01 2 0.07 0.00 0.03 0.00 0.02 99.88 19:33:01 3 0.28 0.00 0.05 0.00 0.00 99.67 Average: all 3.23 0.00 1.16 0.75 0.01 94.86 Average: 0 2.70 0.00 1.27 0.74 0.00 95.29 Average: 1 3.37 0.00 1.08 0.81 0.01 94.73 Average: 2 3.24 0.00 1.23 0.60 0.01 94.93 Average: 3 3.60 0.00 1.07 0.84 0.00 94.48