---> uname -a: Linux c382e33a98f5 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: 2933.436 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-286 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-286@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 617 147 0 1072 1113 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) 09/11/20 _x86_64_ (4 CPU) 22:09:32 LINUX RESTART (4 CPU) 22:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:11:01 107.28 46.69 60.59 0.00 7653.68 9292.98 0.00 22:12:01 2.68 0.00 2.68 0.00 0.00 97.62 0.00 22:13:01 0.42 0.02 0.40 0.00 0.53 7.11 0.00 22:14:01 0.40 0.00 0.40 0.00 0.00 6.81 0.00 22:15:01 0.27 0.00 0.27 0.00 0.00 4.81 0.00 Average: 21.94 9.22 12.71 0.00 1511.25 1858.15 0.00 22:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:11:01 174208 0 535512 28.46 2620 1169216 1102048 37.61 368816 1177476 120 22:12:01 176096 0 533380 28.35 2620 1169460 1097164 37.44 369628 1175476 28 22:13:01 177380 0 532144 28.28 2620 1169412 1085856 37.06 369040 1174920 16 22:14:01 176336 0 533188 28.34 2620 1169412 1085856 37.06 370748 1174328 12 22:15:01 176652 0 532868 28.32 2620 1169416 1084852 37.02 385464 1159668 8 Average: 176134 0 533418 28.35 2620 1169383 1091155 37.24 372739 1172374 37 22:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:11:01 eth0 504.01 308.72 1082.17 108.01 0.00 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 4.60 3.22 0.95 11.10 0.00 0.00 0.00 0.00 22:12:01 eth0 1.73 0.45 0.39 0.21 0.00 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 1.57 0.38 0.48 0.20 0.00 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 2.01 0.53 0.64 0.36 0.00 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 1.00 0.57 0.54 0.40 0.00 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 100.78 61.34 214.07 21.56 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 0.91 0.63 0.19 2.19 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) 09/11/20 _x86_64_ (4 CPU) 22:09:32 LINUX RESTART (4 CPU) 22:10:02 CPU %user %nice %system %iowait %steal %idle 22:11:01 all 13.31 0.00 6.28 4.23 0.09 76.09 22:11:01 0 12.17 0.00 7.81 2.77 0.09 77.17 22:11:01 1 14.44 0.00 5.04 3.17 0.07 77.28 22:11:01 2 13.31 0.00 6.46 8.72 0.12 71.39 22:11:01 3 13.31 0.00 5.83 2.23 0.10 78.53 22:12:01 all 0.17 0.00 0.04 0.00 0.01 99.78 22:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:12:01 1 0.07 0.00 0.05 0.00 0.02 99.87 22:12:01 2 0.57 0.00 0.03 0.00 0.00 99.40 22:12:01 3 0.03 0.00 0.05 0.00 0.02 99.90 22:13:01 all 0.16 0.00 0.03 0.00 0.01 99.80 22:13:01 0 0.03 0.00 0.03 0.00 0.02 99.92 22:13:01 1 0.10 0.00 0.07 0.00 0.00 99.83 22:13:01 2 0.50 0.00 0.02 0.00 0.02 99.47 22:13:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:14:01 all 0.15 0.00 0.04 0.00 0.01 99.80 22:14:01 0 0.02 0.00 0.00 0.00 0.00 99.98 22:14:01 1 0.05 0.00 0.07 0.00 0.02 99.87 22:14:01 2 0.52 0.00 0.05 0.00 0.00 99.43 22:14:01 3 0.02 0.00 0.03 0.00 0.02 99.93 22:15:01 all 0.17 0.00 0.04 0.00 0.01 99.78 22:15:01 0 0.03 0.00 0.07 0.00 0.00 99.90 22:15:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:15:01 2 0.53 0.00 0.02 0.00 0.00 99.45 22:15:01 3 0.07 0.00 0.05 0.00 0.03 99.85 Average: all 2.72 0.00 1.25 0.82 0.03 95.18 Average: 0 2.38 0.00 1.54 0.54 0.02 95.52 Average: 1 2.86 0.00 1.02 0.62 0.02 95.48 Average: 2 3.02 0.00 1.28 1.70 0.03 93.97 Average: 3 2.62 0.00 1.17 0.43 0.03 95.75