---> uname -a: Linux bc7c7f178825 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: 2933.438 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 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 673 134 0 1029 1057 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/09/20 _x86_64_ (4 CPU) 10:14:59 LINUX RESTART (4 CPU) 10:16:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:17:01 29.78 10.57 19.21 0.00 4395.01 2098.88 0.00 10:18:01 0.37 0.00 0.37 0.00 0.00 6.30 0.00 10:19:01 0.25 0.00 0.25 0.00 0.00 2.85 0.00 10:20:01 0.28 0.00 0.28 0.00 0.00 3.20 0.00 10:21:01 0.37 0.00 0.37 0.00 0.00 5.93 0.00 10:22:01 0.20 0.02 0.18 0.00 0.13 2.20 0.00 10:23:01 0.32 0.00 0.32 0.00 0.00 3.68 0.00 Average: 4.51 1.51 3.00 0.00 628.12 303.40 0.00 10:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:17:01 167356 0 591000 31.41 2620 1120580 1115312 38.06 422348 1131580 24 10:18:01 172300 0 586052 31.15 2620 1120584 1082580 36.95 422620 1127312 8 10:19:01 171808 0 586536 31.17 2620 1120592 1082664 36.95 423248 1127312 8 10:20:01 170132 0 588212 31.26 2620 1120592 1082784 36.95 427900 1124824 8 10:21:01 170456 0 587884 31.24 2620 1120596 1082676 36.95 430412 1121700 16 10:22:01 169876 0 588452 31.27 2620 1120608 1082812 36.95 431016 1121700 16 10:23:01 170884 0 587440 31.22 2620 1120612 1082644 36.95 430132 1121700 12 Average: 170402 0 587939 31.25 2620 1120595 1087353 37.11 426811 1125161 13 10:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:17:01 eth0 70.07 57.68 341.73 42.25 0.00 0.00 0.00 0.00 10:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 docker0 4.81 2.98 0.92 10.59 0.00 0.00 0.00 0.00 10:18:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 eth0 3.70 2.25 2.94 0.15 0.00 0.00 0.00 0.00 10:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 eth0 0.72 0.37 0.28 0.20 0.00 0.00 0.00 0.00 10:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 eth0 0.72 0.22 0.19 0.07 0.00 0.00 0.00 0.00 10:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 eth0 0.88 0.63 0.53 0.40 0.00 0.00 0.00 0.00 10:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:23:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 10:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 10.90 8.76 49.40 6.16 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 0.69 0.43 0.13 1.51 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) 09/09/20 _x86_64_ (4 CPU) 10:14:59 LINUX RESTART (4 CPU) 10:16:01 CPU %user %nice %system %iowait %steal %idle 10:17:01 all 2.25 0.00 1.50 0.89 0.00 95.36 10:17:01 0 1.62 0.00 1.52 2.24 0.00 94.62 10:17:01 1 2.59 0.00 1.59 0.60 0.00 95.21 10:17:01 2 2.54 0.00 1.67 0.17 0.02 95.60 10:17:01 3 2.22 0.00 1.22 0.54 0.00 96.02 10:18:01 all 0.10 0.00 0.04 0.00 0.00 99.86 10:18:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:18:01 1 0.03 0.00 0.02 0.00 0.00 99.95 10:18:01 2 0.25 0.00 0.03 0.00 0.00 99.72 10:18:01 3 0.07 0.00 0.07 0.00 0.00 99.87 10:19:01 all 0.17 0.00 0.04 0.00 0.00 99.79 10:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 10:19:01 1 0.05 0.00 0.05 0.00 0.02 99.88 10:19:01 2 0.52 0.00 0.02 0.00 0.00 99.47 10:19:01 3 0.07 0.00 0.03 0.00 0.00 99.90 10:20:01 all 0.17 0.00 0.05 0.00 0.00 99.79 10:20:01 0 0.02 0.00 0.00 0.00 0.00 99.98 10:20:01 1 0.05 0.00 0.07 0.00 0.00 99.88 10:20:01 2 0.57 0.00 0.05 0.00 0.00 99.38 10:20:01 3 0.03 0.00 0.07 0.00 0.00 99.90 10:21:01 all 0.14 0.00 0.07 0.00 0.00 99.78 10:21:01 0 0.45 0.00 0.05 0.00 0.00 99.50 10:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 10:21:01 2 0.03 0.00 0.03 0.00 0.00 99.93 10:21:01 3 0.03 0.00 0.17 0.00 0.00 99.80 10:22:01 all 0.04 0.00 0.05 0.00 0.00 99.91 10:22:01 0 0.03 0.00 0.03 0.00 0.00 99.93 10:22:01 1 0.05 0.00 0.07 0.00 0.00 99.88 10:22:01 2 0.05 0.00 0.02 0.00 0.00 99.93 10:22:01 3 0.03 0.00 0.07 0.00 0.00 99.90 10:23:01 all 0.06 0.00 0.04 0.00 0.00 99.90 10:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:23:01 1 0.02 0.00 0.05 0.00 0.00 99.93 10:23:01 2 0.18 0.00 0.05 0.00 0.00 99.77 10:23:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 0.42 0.00 0.25 0.13 0.00 99.20 Average: 0 0.32 0.00 0.25 0.32 0.00 99.12 Average: 1 0.41 0.00 0.27 0.09 0.00 99.24 Average: 2 0.59 0.00 0.27 0.02 0.00 99.12 Average: 3 0.35 0.00 0.24 0.08 0.00 99.33