---> uname -a: Linux a3a936fd67b5 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: 2933.436 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-211 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-211@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 596 70 0 1170 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) 02/07/20 _x86_64_ (4 CPU) 18:45:49 LINUX RESTART 18:47:01 tps rtps wtps bread/s bwrtn/s 18:48:02 4.41 0.00 4.41 0.00 142.58 18:49:01 0.29 0.00 0.29 0.00 3.67 18:50:01 0.78 0.00 0.78 0.00 8.76 18:51:01 0.62 0.00 0.62 0.00 7.93 18:52:01 0.65 0.00 0.65 0.00 8.34 18:53:01 0.72 0.00 0.72 0.00 8.94 18:54:01 64.21 50.27 13.93 3587.15 7823.42 Average: 10.27 7.20 3.06 513.82 1146.41 18:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:48:02 116852 1765452 93.79 2620 1239104 919188 31.36 413952 1193428 8 18:49:01 117260 1765044 93.77 2620 1239112 913020 31.15 413832 1193128 8 18:50:01 117644 1764660 93.75 2620 1239120 913020 31.15 413724 1193132 8 18:51:01 116860 1765444 93.79 2620 1239120 913212 31.16 414976 1193128 8 18:52:01 117424 1764880 93.76 2620 1239124 913104 31.15 414396 1193128 8 18:53:01 117824 1764480 93.74 2620 1239132 913020 31.15 413992 1193124 8 18:54:01 78092 1804212 95.85 2620 1222608 1124996 38.38 438240 1190012 36992 Average: 111708 1770596 94.07 2620 1236760 944223 32.22 417587 1192726 5291 18:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:48:02 eth0 0.55 0.47 0.36 0.07 0.00 0.00 0.00 18:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 eth0 0.24 0.08 0.01 0.01 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 eth0 0.80 0.08 0.08 0.01 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 eth0 0.88 0.77 0.53 0.41 0.00 0.00 0.00 18:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 0.35 0.23 0.15 0.07 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 eth0 92.97 73.51 2115.26 9.75 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 13.73 10.78 303.15 1.48 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) 02/07/20 _x86_64_ (4 CPU) 18:45:49 LINUX RESTART 18:47:01 CPU %user %nice %system %iowait %steal %idle 18:48:02 all 0.14 0.00 0.05 0.00 0.10 99.71 18:48:02 0 0.07 0.00 0.05 0.00 0.05 99.83 18:48:02 1 0.25 0.00 0.05 0.00 0.08 99.62 18:48:02 2 0.18 0.00 0.05 0.00 0.12 99.65 18:48:02 3 0.07 0.00 0.07 0.00 0.13 99.73 18:49:01 all 0.18 0.00 0.06 0.00 0.02 99.75 18:49:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:49:01 1 0.19 0.00 0.05 0.00 0.02 99.75 18:49:01 2 0.07 0.00 0.05 0.00 0.03 99.85 18:49:01 3 0.39 0.00 0.07 0.00 0.02 99.53 18:50:01 all 0.16 0.00 0.05 0.00 0.03 99.76 18:50:01 0 0.02 0.00 0.02 0.00 0.02 99.95 18:50:01 1 0.05 0.00 0.03 0.00 0.05 99.87 18:50:01 2 0.08 0.00 0.07 0.00 0.03 99.82 18:50:01 3 0.50 0.00 0.03 0.00 0.03 99.43 18:51:01 all 0.18 0.00 0.04 0.00 0.04 99.73 18:51:01 0 0.07 0.00 0.03 0.00 0.02 99.88 18:51:01 1 0.05 0.00 0.05 0.00 0.02 99.88 18:51:01 2 0.25 0.00 0.07 0.00 0.10 99.58 18:51:01 3 0.35 0.00 0.05 0.00 0.05 99.55 18:52:01 all 0.14 0.00 0.05 0.00 0.10 99.70 18:52:01 0 0.03 0.00 0.05 0.00 0.15 99.77 18:52:01 1 0.12 0.00 0.07 0.00 0.15 99.67 18:52:01 2 0.03 0.00 0.02 0.00 0.05 99.90 18:52:01 3 0.37 0.00 0.07 0.00 0.08 99.48 18:53:01 all 0.17 0.00 0.05 0.00 0.06 99.73 18:53:01 0 0.05 0.00 0.03 0.00 0.07 99.85 18:53:01 1 0.52 0.00 0.05 0.00 0.08 99.35 18:53:01 2 0.08 0.00 0.07 0.00 0.03 99.82 18:53:01 3 0.05 0.00 0.03 0.00 0.03 99.88 18:54:01 all 2.94 0.00 1.77 1.14 0.60 93.56 18:54:01 0 2.85 0.00 2.11 0.39 0.59 94.07 18:54:01 1 3.13 0.00 1.56 1.11 0.52 93.69 18:54:01 2 3.17 0.00 1.89 2.08 0.65 92.21 18:54:01 3 2.60 0.00 1.54 0.95 0.62 94.29 Average: all 0.56 0.00 0.29 0.16 0.14 98.85 Average: 0 0.45 0.00 0.33 0.05 0.13 99.04 Average: 1 0.61 0.00 0.27 0.16 0.13 98.83 Average: 2 0.55 0.00 0.32 0.30 0.15 98.69 Average: 3 0.62 0.00 0.27 0.14 0.14 98.84