---> uname -a: Linux 356772e9d534 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-277 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-277@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 664 138 0 1034 1066 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) 09/04/20 _x86_64_ (4 CPU) 16:32:25 LINUX RESTART (4 CPU) 16:33:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:34:01 75.55 30.03 45.52 0.00 7235.82 4913.75 0.00 16:35:01 1.63 0.00 1.63 0.00 0.00 32.11 0.00 16:36:01 0.23 0.00 0.23 0.00 0.00 2.20 0.00 16:37:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 16:38:01 0.20 0.00 0.20 0.00 0.00 2.76 0.00 Average: 15.58 6.01 9.57 0.00 1447.79 991.25 0.00 16:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:34:01 153736 0 588576 31.28 2620 1136624 1122080 38.29 439984 1126916 120 16:35:01 159780 0 582500 30.96 2620 1136656 1083132 36.97 438012 1124204 16 16:36:01 158644 0 583628 31.02 2620 1136664 1083376 36.97 439088 1124136 20 16:37:01 157496 0 584776 31.08 2620 1136664 1083376 36.97 440988 1123576 20 16:38:01 158564 0 583700 31.02 2620 1136672 1083196 36.97 447020 1116596 20 Average: 157644 0 584636 31.07 2620 1136656 1091032 37.23 441018 1123086 39 16:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:34:01 eth0 494.11 268.77 1064.10 102.37 0.00 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 4.24 3.08 0.88 10.28 0.00 0.00 0.00 0.00 16:35:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 eth0 0.87 0.43 0.33 0.21 0.00 0.00 0.00 0.00 16:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 eth0 0.58 0.35 0.29 0.20 0.00 0.00 0.00 0.00 16:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 16:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 99.34 53.97 213.05 20.57 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 0.85 0.62 0.18 2.06 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) 09/04/20 _x86_64_ (4 CPU) 16:32:25 LINUX RESTART (4 CPU) 16:33:01 CPU %user %nice %system %iowait %steal %idle 16:34:01 all 12.97 0.00 4.55 2.63 0.01 79.84 16:34:01 0 12.41 0.00 5.53 2.40 0.02 79.64 16:34:01 1 12.37 0.00 4.43 3.02 0.02 80.17 16:34:01 2 14.43 0.00 3.96 2.36 0.00 79.25 16:34:01 3 12.65 0.00 4.28 2.72 0.02 80.32 16:35:01 all 0.15 0.00 0.05 0.00 0.00 99.80 16:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:35:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:35:01 2 0.05 0.00 0.07 0.00 0.02 99.87 16:35:01 3 0.47 0.00 0.03 0.00 0.00 99.50 16:36:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:36:01 0 0.07 0.00 0.03 0.02 0.00 99.88 16:36:01 1 0.07 0.00 0.03 0.00 0.00 99.90 16:36:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:36:01 3 0.48 0.00 0.00 0.00 0.00 99.52 16:37:01 all 0.14 0.00 0.04 0.00 0.00 99.82 16:37:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:37:01 1 0.03 0.00 0.07 0.00 0.02 99.88 16:37:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:37:01 3 0.47 0.00 0.03 0.00 0.00 99.50 16:38:01 all 0.16 0.00 0.05 0.00 0.00 99.79 16:38:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:38:01 1 0.55 0.00 0.03 0.00 0.00 99.42 16:38:01 2 0.07 0.00 0.12 0.00 0.00 99.82 16:38:01 3 0.00 0.00 0.02 0.00 0.00 99.98 Average: all 2.70 0.00 0.94 0.52 0.00 95.84 Average: 0 2.49 0.00 1.12 0.48 0.00 95.90 Average: 1 2.59 0.00 0.92 0.60 0.01 95.89 Average: 2 2.91 0.00 0.84 0.47 0.00 95.77 Average: 3 2.80 0.00 0.87 0.54 0.00 95.79