---> uname -a: Linux 3109303c8afc 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-244 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-244@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 647 117 0 1073 1085 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) 06/19/20 _x86_64_ (4 CPU) 07:27:58 LINUX RESTART 07:29:01 tps rtps wtps bread/s bwrtn/s 07:30:01 2.41 0.00 2.41 0.00 54.47 07:31:01 0.29 0.00 0.29 0.00 4.13 07:32:01 0.43 0.00 0.43 0.00 6.25 Average: 1.05 0.00 1.05 0.00 21.72 07:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 183196 1698360 90.26 2620 1139340 1092216 37.28 417308 1121116 12 07:31:01 181308 1700248 90.36 2620 1139344 1088368 37.14 420856 1120364 8 07:32:01 180588 1700968 90.40 2620 1139352 1088392 37.14 420912 1120368 8 Average: 181697 1699859 90.34 2620 1139345 1089659 37.19 419692 1120616 9 07:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:30:01 eth0 0.68 0.13 0.06 0.03 0.00 0.00 0.00 07:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:31:01 eth0 3.71 1.81 3.11 0.30 0.00 0.00 0.00 07:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 eth0 0.80 0.23 0.31 0.19 0.00 0.00 0.00 07:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.72 0.72 1.15 0.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 06/19/20 _x86_64_ (4 CPU) 07:27:58 LINUX RESTART 07:29:01 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 0.18 0.00 0.04 0.00 0.00 99.77 07:30:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:30:01 1 0.57 0.00 0.03 0.00 0.00 99.40 07:30:01 2 0.08 0.00 0.08 0.00 0.02 99.82 07:30:01 3 0.05 0.00 0.03 0.00 0.00 99.92 07:31:01 all 0.16 0.00 0.04 0.00 0.01 99.80 07:31:01 0 0.02 0.00 0.05 0.00 0.00 99.93 07:31:01 1 0.51 0.00 0.05 0.00 0.00 99.44 07:31:01 2 0.05 0.00 0.05 0.00 0.02 99.88 07:31:01 3 0.05 0.00 0.02 0.00 0.02 99.92 07:32:01 all 0.15 0.00 0.03 0.00 0.00 99.81 07:32:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:32:01 1 0.48 0.00 0.03 0.00 0.02 99.47 07:32:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.16 0.00 0.04 0.00 0.01 99.79 Average: 0 0.03 0.00 0.03 0.00 0.00 99.94 Average: 1 0.52 0.00 0.04 0.00 0.01 99.44 Average: 2 0.06 0.00 0.06 0.00 0.01 99.87 Average: 3 0.04 0.00 0.03 0.00 0.01 99.92