---> uname -a: Linux 7a01fc826a30 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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: 2933.442 BogoMIPS: 5866.88 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 7.0G 43.0G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279 ---> free -m: total used free shared buff/cache available Mem: 1837 634 126 0 1076 1095 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/07/20 _x86_64_ (4 CPU) 14:11:31 LINUX RESTART (4 CPU) 14:12:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:13:01 89.90 39.75 50.14 0.00 7436.66 5025.30 0.00 14:14:01 1.62 0.00 1.62 0.00 0.00 31.82 0.00 14:15:01 0.40 0.00 0.40 0.00 0.00 5.85 0.00 14:16:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 14:17:01 0.35 0.18 0.17 0.00 12.79 2.02 0.00 14:18:01 0.67 0.00 0.67 0.00 0.00 14.89 0.00 14:19:01 0.43 0.02 0.42 0.00 0.13 6.65 0.00 Average: 13.38 5.71 7.67 0.00 1064.73 727.39 0.00 14:12:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:13:01 166068 0 554580 29.47 2620 1158288 1129620 38.55 384056 1170048 120 14:14:01 172148 0 548496 29.15 2620 1158292 1082916 36.96 382408 1166404 24 14:15:01 171436 0 549200 29.19 2620 1158300 1083144 36.97 383764 1166396 20 14:16:01 171008 0 549628 29.21 2620 1158300 1083156 36.97 383852 1166392 16 14:17:01 165408 0 554724 29.48 2620 1158804 1095200 37.38 392936 1162324 136 14:18:01 163636 0 556488 29.58 2620 1158812 1095328 37.38 394868 1162316 16 14:19:01 163572 0 556544 29.58 2620 1158820 1095232 37.38 412268 1145172 12 Average: 167611 0 552809 29.38 2620 1158517 1094942 37.37 390593 1162722 49 14:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:13:01 eth0 521.99 311.05 1065.56 102.00 0.00 0.00 0.00 0.00 14:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:13:01 docker0 4.28 2.75 0.89 10.39 0.00 0.00 0.00 0.00 14:14:01 eth0 0.75 0.08 0.06 0.02 0.00 0.00 0.00 0.00 14:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:15:01 eth0 1.35 0.85 0.68 0.23 0.00 0.00 0.00 0.00 14:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:16:01 eth0 0.77 0.52 0.32 0.21 0.00 0.00 0.00 0.00 14:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:01 eth0 4.40 2.60 3.95 1.70 0.00 0.00 0.00 0.00 14:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 eth0 3.38 1.85 2.81 1.52 0.00 0.00 0.00 0.00 14:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 eth0 1.38 0.78 1.11 0.49 0.00 0.00 0.00 0.00 14:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 76.32 45.41 153.57 15.17 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.61 0.39 0.13 1.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/07/20 _x86_64_ (4 CPU) 14:11:31 LINUX RESTART (4 CPU) 14:12:01 CPU %user %nice %system %iowait %steal %idle 14:13:01 all 15.12 0.00 4.63 4.31 0.02 75.92 14:13:01 0 16.08 0.00 5.00 1.31 0.02 77.60 14:13:01 1 12.87 0.00 4.87 6.17 0.02 76.07 14:13:01 2 14.25 0.00 4.94 7.57 0.02 73.23 14:13:01 3 17.30 0.00 3.72 2.17 0.02 76.79 14:14:01 all 0.16 0.00 0.03 0.00 0.00 99.81 14:14:01 0 0.05 0.00 0.03 0.00 0.00 99.92 14:14:01 1 0.47 0.00 0.03 0.00 0.00 99.50 14:14:01 2 0.07 0.00 0.03 0.00 0.00 99.90 14:14:01 3 0.05 0.00 0.03 0.00 0.00 99.92 14:15:01 all 0.18 0.00 0.03 0.00 0.00 99.79 14:15:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:15:01 1 0.57 0.00 0.02 0.00 0.00 99.42 14:15:01 2 0.07 0.00 0.07 0.00 0.00 99.87 14:15:01 3 0.05 0.00 0.03 0.00 0.00 99.92 14:16:01 all 0.15 0.00 0.02 0.00 0.00 99.82 14:16:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:16:01 1 0.55 0.00 0.03 0.00 0.02 99.40 14:16:01 2 0.03 0.00 0.03 0.00 0.00 99.93 14:16:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:17:01 all 0.24 0.00 0.05 0.00 0.00 99.71 14:17:01 0 0.15 0.00 0.05 0.00 0.00 99.80 14:17:01 1 0.60 0.00 0.05 0.00 0.00 99.35 14:17:01 2 0.15 0.00 0.05 0.00 0.00 99.80 14:17:01 3 0.05 0.00 0.05 0.02 0.00 99.88 14:18:01 all 0.19 0.00 0.05 0.00 0.00 99.77 14:18:01 0 0.05 0.00 0.07 0.00 0.00 99.88 14:18:01 1 0.07 0.00 0.05 0.00 0.00 99.88 14:18:01 2 0.57 0.00 0.03 0.00 0.00 99.40 14:18:01 3 0.07 0.00 0.03 0.00 0.00 99.90 14:19:01 all 0.17 0.00 0.06 0.00 0.00 99.77 14:19:01 0 0.03 0.00 0.05 0.00 0.00 99.92 14:19:01 1 0.18 0.00 0.03 0.00 0.00 99.78 14:19:01 2 0.43 0.00 0.05 0.00 0.00 99.52 14:19:01 3 0.05 0.00 0.10 0.00 0.00 99.85 Average: all 2.30 0.00 0.69 0.61 0.00 96.39 Average: 0 2.33 0.00 0.74 0.19 0.00 96.74 Average: 1 2.18 0.00 0.72 0.88 0.00 96.21 Average: 2 2.22 0.00 0.74 1.08 0.00 95.96 Average: 3 2.49 0.00 0.56 0.31 0.00 96.63