---> uname -a: Linux e636090de206 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-217 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-217@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 643 67 0 1127 1089 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) 02/25/20 _x86_64_ (4 CPU) 17:44:02 LINUX RESTART 17:45:02 tps rtps wtps bread/s bwrtn/s 17:46:01 10.72 0.00 10.72 0.00 1722.94 17:47:01 2.66 0.00 2.66 0.00 90.89 17:48:01 4.45 0.00 4.45 0.00 47.73 17:49:01 0.23 0.00 0.23 0.00 2.93 17:50:01 0.23 0.00 0.23 0.00 3.76 17:51:01 0.38 0.00 0.38 0.00 4.88 17:52:01 1.53 1.23 0.30 74.07 3.63 Average: 2.87 0.18 2.69 10.61 264.70 17:45:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:46:01 113480 1768824 93.97 2620 1227388 899624 30.69 436272 1174796 16 17:47:01 113264 1769040 93.98 2620 1227392 899956 30.71 436868 1174496 12 17:48:01 74200 1808104 96.06 2620 1227408 893472 30.48 475528 1174456 8 17:49:01 76808 1805496 95.92 2620 1227408 892048 30.44 473224 1174456 8 17:50:01 75020 1807284 96.01 2620 1227420 892492 30.45 475168 1174456 8 17:51:01 76772 1805532 95.92 2620 1227424 892180 30.44 473512 1174456 8 17:52:01 79292 1803012 95.79 2620 1214304 906556 30.93 474924 1163392 128 Average: 86977 1795327 95.38 2620 1225535 896618 30.59 463642 1172930 27 17:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:46:01 eth0 0.49 0.30 0.36 0.03 0.00 0.00 0.00 17:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 eth0 0.62 0.43 0.34 0.03 0.00 0.00 0.00 17:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 eth0 96.94 60.62 63.18 77.91 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 eth0 0.28 0.08 0.03 0.01 0.00 0.00 0.00 17:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 eth0 3.50 3.46 0.59 13.42 0.00 0.00 0.00 17:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 17:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 eth0 9.41 8.21 4.43 11.61 0.00 0.00 0.00 17:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 15.94 10.48 9.87 14.75 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) 02/25/20 _x86_64_ (4 CPU) 17:44:02 LINUX RESTART 17:45:02 CPU %user %nice %system %iowait %steal %idle 17:46:01 all 0.19 0.00 0.10 0.00 0.00 99.70 17:46:01 0 0.19 0.00 0.15 0.00 0.00 99.66 17:46:01 1 0.05 0.00 0.07 0.00 0.00 99.88 17:46:01 2 0.41 0.00 0.03 0.00 0.00 99.56 17:46:01 3 0.12 0.00 0.14 0.00 0.00 99.75 17:47:01 all 0.20 0.00 0.05 0.00 0.00 99.75 17:47:01 0 0.08 0.00 0.03 0.00 0.00 99.88 17:47:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:47:01 2 0.58 0.00 0.05 0.00 0.00 99.37 17:47:01 3 0.08 0.00 0.08 0.00 0.00 99.83 17:48:01 all 1.12 0.00 0.41 0.02 0.00 98.45 17:48:01 0 1.15 0.00 0.49 0.00 0.00 98.36 17:48:01 1 1.05 0.00 0.32 0.02 0.00 98.61 17:48:01 2 1.07 0.00 0.37 0.02 0.00 98.55 17:48:01 3 1.20 0.00 0.45 0.02 0.02 98.31 17:49:01 all 0.06 0.00 0.05 0.00 0.00 99.89 17:49:01 0 0.03 0.00 0.07 0.00 0.00 99.90 17:49:01 1 0.10 0.00 0.08 0.00 0.00 99.82 17:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:50:01 all 0.10 0.00 0.06 0.00 0.00 99.84 17:50:01 0 0.08 0.00 0.05 0.00 0.00 99.87 17:50:01 1 0.13 0.00 0.07 0.00 0.00 99.80 17:50:01 2 0.08 0.00 0.05 0.00 0.02 99.85 17:50:01 3 0.12 0.00 0.07 0.00 0.00 99.82 17:51:01 all 0.05 0.00 0.04 0.00 0.00 99.91 17:51:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:51:01 1 0.05 0.00 0.05 0.02 0.00 99.88 17:51:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:51:01 3 0.07 0.00 0.03 0.00 0.00 99.90 17:52:01 all 0.31 0.00 0.29 0.01 0.00 99.38 17:52:01 0 0.55 0.00 0.40 0.02 0.00 99.03 17:52:01 1 0.23 0.00 0.23 0.00 0.02 99.52 17:52:01 2 0.17 0.00 0.15 0.00 0.00 99.68 17:52:01 3 0.30 0.00 0.37 0.02 0.00 99.32 Average: all 0.29 0.00 0.14 0.00 0.00 99.56 Average: 0 0.30 0.00 0.17 0.00 0.00 99.52 Average: 1 0.24 0.00 0.12 0.00 0.00 99.63 Average: 2 0.35 0.00 0.10 0.00 0.00 99.55 Average: 3 0.28 0.00 0.17 0.00 0.00 99.55