---> uname -a: Linux 7bd58c98cb6d 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/dry_go-mod-core-contracts_PR-197 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-197@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 612 65 0 1160 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) 01/14/20 _x86_64_ (4 CPU) 03:32:14 LINUX RESTART 03:33:01 tps rtps wtps bread/s bwrtn/s 03:34:01 12.29 0.07 12.22 2.13 1874.69 03:35:01 2.56 0.00 2.56 0.00 90.89 03:36:01 0.72 0.00 0.72 0.00 8.41 03:37:01 0.52 0.00 0.52 0.00 6.36 03:38:02 0.37 0.00 0.37 0.00 5.00 03:39:01 0.36 0.00 0.36 0.00 4.64 03:40:01 0.28 0.00 0.28 0.00 3.23 Average: 2.45 0.01 2.44 0.31 285.44 03:33:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:34:01 114912 1767392 93.90 2620 1226280 922072 31.46 423028 1186980 20 03:35:01 115340 1766964 93.87 2620 1226288 913848 31.18 423188 1186372 8 03:36:01 114224 1768080 93.93 2620 1226296 910980 31.08 424260 1186280 8 03:37:01 114432 1767872 93.92 2620 1226296 910908 31.08 426740 1183452 8 03:38:02 114552 1767752 93.91 2620 1226304 910920 31.08 426832 1183452 12 03:39:01 115068 1767236 93.89 2620 1226308 910812 31.08 426256 1183452 12 03:40:01 120236 1762068 93.61 2620 1226312 910764 31.07 420868 1183448 12 Average: 115538 1766766 93.86 2620 1226298 912901 31.15 424453 1184777 11 03:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:34:01 eth0 1.75 1.35 1.46 0.17 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 03:35:01 eth0 0.25 0.20 0.12 0.01 0.00 0.00 0.00 03:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 eth0 1.95 0.45 0.40 0.21 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 eth0 0.63 0.37 0.28 0.20 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:02 eth0 0.22 0.15 0.08 0.07 0.00 0.00 0.00 03:38:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 eth0 0.20 0.14 0.07 0.01 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.73 0.39 0.35 0.10 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) 01/14/20 _x86_64_ (4 CPU) 03:32:14 LINUX RESTART 03:33:01 CPU %user %nice %system %iowait %steal %idle 03:34:01 all 0.25 0.00 0.12 0.00 0.00 99.62 03:34:01 0 0.12 0.00 0.10 0.00 0.00 99.78 03:34:01 1 0.55 0.00 0.05 0.00 0.00 99.40 03:34:01 2 0.12 0.00 0.20 0.00 0.00 99.68 03:34:01 3 0.25 0.00 0.15 0.00 0.00 99.60 03:35:01 all 0.19 0.00 0.07 0.00 0.00 99.75 03:35:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:35:01 1 0.10 0.00 0.07 0.00 0.00 99.83 03:35:01 2 0.05 0.00 0.05 0.00 0.00 99.90 03:35:01 3 0.53 0.00 0.12 0.00 0.00 99.35 03:36:01 all 0.18 0.00 0.06 0.00 0.00 99.75 03:36:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:36:01 1 0.27 0.00 0.08 0.00 0.00 99.65 03:36:01 2 0.05 0.00 0.07 0.00 0.00 99.88 03:36:01 3 0.40 0.00 0.03 0.00 0.00 99.57 03:37:01 all 0.12 0.00 0.06 0.00 0.00 99.82 03:37:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:37:01 1 0.32 0.00 0.05 0.00 0.00 99.63 03:37:01 2 0.05 0.00 0.08 0.00 0.00 99.87 03:37:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:38:02 all 0.17 0.00 0.05 0.00 0.00 99.78 03:38:02 0 0.05 0.00 0.07 0.00 0.00 99.88 03:38:02 1 0.53 0.00 0.03 0.00 0.00 99.43 03:38:02 2 0.05 0.00 0.08 0.00 0.02 99.85 03:38:02 3 0.03 0.00 0.03 0.00 0.00 99.93 03:39:01 all 0.12 0.00 0.05 0.00 0.00 99.83 03:39:01 0 0.08 0.00 0.05 0.00 0.00 99.86 03:39:01 1 0.25 0.00 0.03 0.00 0.00 99.71 03:39:01 2 0.08 0.00 0.08 0.00 0.00 99.83 03:39:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:40:01 all 0.15 0.00 0.07 0.00 0.00 99.78 03:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:40:01 1 0.48 0.00 0.08 0.00 0.00 99.43 03:40:01 2 0.07 0.00 0.10 0.00 0.00 99.83 03:40:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 0.17 0.00 0.07 0.00 0.00 99.76 Average: 0 0.06 0.00 0.05 0.00 0.00 99.89 Average: 1 0.36 0.00 0.06 0.00 0.00 99.58 Average: 2 0.07 0.00 0.10 0.00 0.00 99.84 Average: 3 0.20 0.00 0.07 0.00 0.00 99.74