---> uname -a: Linux f2e07a5b2023 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: 2933.396 BogoMIPS: 5866.79 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 646 142 0 1048 1084 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) 13:29:24 LINUX RESTART (4 CPU) 13:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:31:01 60.74 15.30 45.44 0.00 5083.46 4906.16 0.00 13:32:01 1.70 0.00 1.70 0.00 0.00 34.24 0.00 13:33:01 0.28 0.00 0.28 0.00 0.00 3.48 0.00 13:34:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 13:35:01 0.25 0.00 0.25 0.00 0.00 3.17 0.00 Average: 12.49 3.02 9.46 0.00 1003.54 977.31 0.00 13:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:31:01 171612 0 564552 30.00 2620 1142772 1122676 38.31 418384 1130768 120 13:32:01 177212 0 558948 29.71 2620 1142776 1084804 37.02 417616 1126820 8 13:33:01 177044 0 559108 29.72 2620 1142784 1080812 36.89 418012 1126724 8 13:34:01 173264 0 562888 29.92 2620 1142784 1080860 36.89 422180 1126076 8 13:35:01 174892 0 561256 29.83 2620 1142788 1080656 36.88 430400 1116716 8 Average: 174805 0 561350 29.83 2620 1142781 1089962 37.20 421318 1125421 30 13:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:31:01 eth0 398.32 249.35 881.33 96.37 0.00 0.00 0.00 0.00 13:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:31:01 docker0 4.94 3.83 0.95 10.60 0.00 0.00 0.00 0.00 13:32:01 eth0 1.20 0.52 2.80 0.05 0.00 0.00 0.00 0.00 13:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:33:01 eth0 0.98 0.38 0.32 0.20 0.00 0.00 0.00 0.00 13:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:34:01 eth0 0.45 0.30 0.27 0.20 0.00 0.00 0.00 0.00 13:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:35:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 79.18 49.48 174.67 19.12 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 0.98 0.76 0.19 2.09 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) 13:29:24 LINUX RESTART (4 CPU) 13:30:02 CPU %user %nice %system %iowait %steal %idle 13:31:01 all 9.29 0.00 2.73 1.86 0.00 86.12 13:31:01 0 8.54 0.00 3.35 0.24 0.00 87.86 13:31:01 1 8.35 0.00 2.94 4.24 0.00 84.47 13:31:01 2 9.73 0.00 2.36 2.72 0.02 85.17 13:31:01 3 10.52 0.00 2.25 0.26 0.00 86.98 13:32:01 all 0.16 0.00 0.04 0.00 0.00 99.80 13:32:01 0 0.07 0.00 0.03 0.00 0.00 99.90 13:32:01 1 0.47 0.00 0.03 0.00 0.00 99.50 13:32:01 2 0.10 0.00 0.07 0.00 0.00 99.83 13:32:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:33:01 all 0.17 0.00 0.02 0.00 0.00 99.81 13:33:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:33:01 1 0.55 0.00 0.00 0.00 0.00 99.45 13:33:01 2 0.07 0.00 0.03 0.00 0.00 99.90 13:33:01 3 0.05 0.00 0.02 0.00 0.00 99.93 13:34:01 all 0.15 0.00 0.02 0.00 0.00 99.82 13:34:01 0 0.02 0.00 0.03 0.00 0.00 99.95 13:34:01 1 0.52 0.00 0.02 0.00 0.02 99.45 13:34:01 2 0.07 0.00 0.03 0.00 0.00 99.90 13:34:01 3 0.00 0.00 0.02 0.00 0.00 99.98 13:35:01 all 0.16 0.00 0.03 0.00 0.00 99.80 13:35:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:35:01 1 0.07 0.00 0.08 0.00 0.00 99.85 13:35:01 2 0.55 0.00 0.03 0.00 0.00 99.42 13:35:01 3 0.02 0.00 0.00 0.00 0.00 99.98 Average: all 1.96 0.00 0.56 0.37 0.00 97.12 Average: 0 1.70 0.00 0.68 0.05 0.00 97.57 Average: 1 1.96 0.00 0.61 0.83 0.00 96.59 Average: 2 2.07 0.00 0.50 0.54 0.00 96.89 Average: 3 2.08 0.00 0.45 0.05 0.00 97.41