---> uname -a: Linux 68fb50e92e65 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-283 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-283@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 651 138 0 1048 1078 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) 09/09/20 _x86_64_ (4 CPU) 14:15:38 LINUX RESTART (4 CPU) 14:16:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:17:02 177.70 91.75 85.96 0.00 11123.63 40208.74 0.00 14:18:02 3.67 0.00 3.67 0.00 0.00 124.44 0.00 14:19:01 0.54 0.00 0.54 0.00 0.00 7.89 0.00 14:20:01 0.28 0.00 0.28 0.00 0.00 3.22 0.00 14:21:01 0.20 0.00 0.20 0.00 0.00 2.70 0.00 Average: 36.74 18.49 18.25 0.00 2241.36 8129.26 0.00 14:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:17:02 164996 0 576364 30.63 2620 1137576 1105948 37.74 433756 1122276 120 14:18:02 169936 0 571208 30.36 2620 1137792 1072748 36.61 432748 1119288 16 14:19:01 170052 0 571084 30.35 2620 1137800 1072748 36.61 433640 1118424 8 14:20:01 167832 0 573304 30.47 2620 1137800 1072940 36.62 436504 1117728 8 14:21:01 169296 0 571836 30.39 2620 1137804 1072748 36.61 446736 1106452 8 Average: 168422 0 572759 30.44 2620 1137754 1079426 36.84 436677 1116834 32 14:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:17:02 eth0 327.52 214.78 1053.46 93.53 0.00 0.00 0.00 0.00 14:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:02 docker0 4.71 3.01 0.92 10.49 0.00 0.00 0.00 0.00 14:18:02 eth0 0.41 0.08 0.02 0.01 0.00 0.00 0.00 0.00 14:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 eth0 0.59 0.08 0.06 0.01 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 14:20:01 eth0 1.35 0.67 0.74 0.40 0.00 0.00 0.00 0.00 14:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:21:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 14:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 66.48 43.46 212.43 18.93 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 0.95 0.61 0.19 2.11 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) 14:15:38 LINUX RESTART (4 CPU) 14:16:01 CPU %user %nice %system %iowait %steal %idle 14:17:02 all 14.99 0.00 8.83 9.25 0.04 66.89 14:17:02 0 16.82 0.00 10.41 6.76 0.03 65.98 14:17:02 1 14.26 0.00 7.87 9.69 0.05 68.12 14:17:02 2 13.86 0.00 7.92 11.08 0.03 67.11 14:17:02 3 15.04 0.00 9.12 9.45 0.03 66.36 14:18:02 all 0.14 0.00 0.06 0.00 0.00 99.81 14:18:02 0 0.03 0.00 0.05 0.00 0.00 99.92 14:18:02 1 0.37 0.00 0.07 0.00 0.00 99.56 14:18:02 2 0.05 0.00 0.07 0.00 0.00 99.88 14:18:02 3 0.08 0.00 0.05 0.00 0.00 99.86 14:19:01 all 0.14 0.00 0.04 0.00 0.00 99.82 14:19:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:19:01 1 0.46 0.00 0.05 0.00 0.00 99.49 14:19:01 2 0.03 0.00 0.05 0.00 0.00 99.92 14:19:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:20:01 all 0.17 0.00 0.03 0.00 0.00 99.80 14:20:01 0 0.05 0.00 0.02 0.00 0.00 99.93 14:20:01 1 0.53 0.00 0.02 0.00 0.00 99.45 14:20:01 2 0.07 0.00 0.07 0.00 0.00 99.87 14:20:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:21:01 all 0.15 0.00 0.05 0.00 0.00 99.80 14:21:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:21:01 1 0.52 0.00 0.05 0.00 0.00 99.43 14:21:01 2 0.03 0.00 0.10 0.00 0.02 99.85 14:21:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 3.11 0.00 1.80 1.84 0.01 93.24 Average: 0 3.38 0.00 2.10 1.35 0.01 93.16 Average: 1 3.23 0.00 1.61 1.94 0.01 93.21 Average: 2 2.80 0.00 1.64 2.21 0.01 93.33 Average: 3 3.03 0.00 1.84 1.88 0.01 93.25