---> uname -a: Linux d9c5836009a8 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-275 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-275@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 625 134 0 1077 1104 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) 09/03/20 _x86_64_ (4 CPU) 14:26:21 LINUX RESTART (4 CPU) 14:27:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:28:01 64.95 15.53 49.42 0.00 5020.33 5061.34 0.00 14:29:01 1.76 0.00 1.76 0.00 0.00 34.20 0.00 14:30:01 0.15 0.00 0.15 0.00 0.00 2.28 0.00 14:31:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 14:32:01 0.20 0.00 0.20 0.00 0.00 2.63 0.00 14:33:01 1.07 0.30 0.77 0.00 18.78 18.07 0.00 14:34:01 0.17 0.02 0.15 0.00 0.13 1.90 0.00 Average: 9.67 2.23 7.44 0.00 710.22 722.23 0.00 14:27:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:28:01 163488 0 549360 29.20 2620 1166088 1125256 38.40 384632 1172368 120 14:29:01 169852 0 542992 28.86 2620 1166092 1074212 36.66 382596 1168476 20 14:30:01 169232 0 543604 28.89 2620 1166100 1074416 36.67 383848 1168476 20 14:31:01 167560 0 545276 28.98 2620 1166100 1074460 36.67 385852 1167900 20 14:32:01 168284 0 544548 28.94 2620 1166104 1074212 36.66 393432 1159836 12 14:33:01 163652 0 548496 29.15 2620 1166788 1086484 37.08 397636 1160272 8 14:34:01 163612 0 548532 29.15 2620 1166792 1086804 37.09 397612 1160272 16 Average: 166526 0 546115 29.02 2620 1166295 1085121 37.03 389373 1165371 31 14:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:28:01 eth0 327.15 172.07 807.39 89.00 0.00 0.00 0.00 0.00 14:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:28:01 docker0 4.21 3.20 0.89 10.44 0.00 0.00 0.00 0.00 14:29:01 eth0 0.77 0.10 0.07 0.05 0.00 0.00 0.00 0.00 14:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 eth0 0.97 0.50 0.39 0.18 0.00 0.00 0.00 0.00 14:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 eth0 0.57 0.32 0.28 0.23 0.00 0.00 0.00 0.00 14:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 14:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 eth0 7.24 4.06 6.35 2.94 0.00 0.00 0.00 0.00 14:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:34:01 eth0 1.48 0.85 1.15 0.60 0.00 0.00 0.00 0.00 14:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 47.70 25.10 114.97 13.12 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 0.59 0.45 0.12 1.47 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) 09/03/20 _x86_64_ (4 CPU) 14:26:21 LINUX RESTART (4 CPU) 14:27:01 CPU %user %nice %system %iowait %steal %idle 14:28:01 all 11.56 0.00 3.94 2.48 0.37 81.65 14:28:01 0 10.95 0.00 4.05 1.93 0.29 82.78 14:28:01 1 11.16 0.00 3.49 1.57 0.44 83.33 14:28:01 2 11.71 0.00 3.86 1.95 0.38 82.11 14:28:01 3 12.44 0.00 4.37 4.46 0.36 78.37 14:29:01 all 0.16 0.00 0.05 0.00 0.03 99.76 14:29:01 0 0.02 0.00 0.02 0.00 0.03 99.93 14:29:01 1 0.48 0.00 0.05 0.00 0.02 99.45 14:29:01 2 0.03 0.00 0.07 0.00 0.03 99.87 14:29:01 3 0.12 0.00 0.08 0.00 0.02 99.78 14:30:01 all 0.16 0.00 0.03 0.00 0.01 99.79 14:30:01 0 0.05 0.00 0.03 0.00 0.00 99.92 14:30:01 1 0.47 0.00 0.02 0.00 0.02 99.50 14:30:01 2 0.07 0.00 0.03 0.00 0.02 99.88 14:30:01 3 0.07 0.00 0.05 0.00 0.02 99.87 14:31:01 all 0.15 0.00 0.04 0.00 0.01 99.79 14:31:01 0 0.05 0.00 0.05 0.00 0.03 99.87 14:31:01 1 0.52 0.00 0.05 0.00 0.00 99.43 14:31:01 2 0.02 0.00 0.02 0.00 0.00 99.97 14:31:01 3 0.03 0.00 0.05 0.00 0.02 99.90 14:32:01 all 0.10 0.00 0.05 0.00 0.02 99.83 14:32:01 0 0.03 0.00 0.02 0.00 0.02 99.93 14:32:01 1 0.30 0.00 0.03 0.00 0.02 99.65 14:32:01 2 0.03 0.00 0.12 0.00 0.03 99.82 14:32:01 3 0.05 0.00 0.02 0.00 0.02 99.92 14:33:01 all 0.20 0.00 0.08 0.00 0.02 99.69 14:33:01 0 0.12 0.00 0.05 0.00 0.02 99.82 14:33:01 1 0.17 0.00 0.13 0.02 0.02 99.67 14:33:01 2 0.38 0.00 0.07 0.00 0.02 99.53 14:33:01 3 0.15 0.00 0.08 0.00 0.02 99.75 14:34:01 all 0.18 0.00 0.06 0.00 0.01 99.75 14:34:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:34:01 1 0.12 0.00 0.13 0.00 0.02 99.73 14:34:01 2 0.53 0.00 0.03 0.00 0.00 99.43 14:34:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 1.76 0.00 0.60 0.35 0.07 97.24 Average: 0 1.57 0.00 0.59 0.27 0.05 97.51 Average: 1 1.86 0.00 0.55 0.22 0.07 97.30 Average: 2 1.79 0.00 0.59 0.27 0.07 97.28 Average: 3 1.80 0.00 0.66 0.62 0.06 96.86