---> uname -a: Linux 4b280ae3c931 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-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 631 145 0 1060 1099 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) 09/16/20 _x86_64_ (4 CPU) 01:24:19 LINUX RESTART (4 CPU) 01:25:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:26:01 58.16 18.34 39.81 0.00 5280.00 4953.89 0.00 01:27:01 1.53 0.00 1.53 0.00 0.00 29.12 0.00 01:28:01 0.27 0.00 0.27 0.00 0.00 3.15 0.00 01:29:01 0.67 0.00 0.67 0.00 0.00 8.51 0.00 01:30:01 48.94 41.83 7.11 0.00 4261.53 2077.46 0.00 Average: 21.81 12.03 9.78 0.00 1898.47 1403.30 0.00 01:25:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:26:01 166040 0 551684 29.32 2620 1161212 1142340 38.99 417132 1137420 120 01:27:01 173720 0 544000 28.91 2620 1161216 1082044 36.93 413152 1134708 16 01:28:01 172132 0 545576 29.00 2620 1161228 1082376 36.94 414636 1134716 16 01:29:01 170004 0 547704 29.11 2620 1161228 1082496 36.94 417368 1134052 8 01:30:01 75000 0 648636 34.47 2620 1155300 1525216 52.05 465808 1159872 74776 Average: 151379 0 567520 30.16 2620 1160037 1182894 40.37 425619 1140154 14987 01:25:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:26:01 eth0 195.60 153.27 840.39 92.39 0.00 0.00 0.00 0.00 01:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 docker0 2.83 2.35 0.81 10.98 0.00 0.00 0.00 0.00 01:27:01 eth0 1.17 0.00 0.10 0.00 0.00 0.00 0.00 0.00 01:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 eth0 2.06 0.75 0.72 0.41 0.00 0.00 0.00 0.00 01:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 eth0 2.95 0.73 1.00 0.59 0.00 0.00 0.00 0.00 01:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 eth0 89.77 69.44 738.21 10.51 0.00 0.00 0.00 0.00 01:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 57.88 44.50 314.58 20.54 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 0.56 0.46 0.16 2.17 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) 09/16/20 _x86_64_ (4 CPU) 01:24:19 LINUX RESTART (4 CPU) 01:25:02 CPU %user %nice %system %iowait %steal %idle 01:26:01 all 11.36 0.00 4.13 2.14 8.45 73.91 01:26:01 0 11.90 0.00 4.35 2.06 8.59 73.10 01:26:01 1 10.77 0.00 4.07 1.61 8.45 75.10 01:26:01 2 11.53 0.00 3.90 0.54 8.44 75.60 01:26:01 3 11.24 0.00 4.21 4.36 8.35 71.84 01:27:01 all 0.10 0.00 0.09 0.00 0.35 99.47 01:27:01 0 0.15 0.00 0.12 0.00 0.22 99.52 01:27:01 1 0.07 0.00 0.12 0.00 0.45 99.37 01:27:01 2 0.10 0.00 0.05 0.00 0.38 99.47 01:27:01 3 0.07 0.00 0.08 0.00 0.33 99.52 01:28:01 all 0.09 0.00 0.04 0.00 0.21 99.66 01:28:01 0 0.05 0.00 0.03 0.00 0.20 99.72 01:28:01 1 0.07 0.00 0.07 0.00 0.37 99.50 01:28:01 2 0.03 0.00 0.02 0.00 0.08 99.87 01:28:01 3 0.22 0.00 0.03 0.00 0.18 99.57 01:29:01 all 0.11 0.00 0.05 0.00 0.26 99.58 01:29:01 0 0.03 0.00 0.03 0.00 0.33 99.60 01:29:01 1 0.35 0.00 0.05 0.00 0.30 99.30 01:29:01 2 0.03 0.00 0.07 0.00 0.07 99.83 01:29:01 3 0.03 0.00 0.05 0.00 0.35 99.57 01:30:01 all 1.83 0.00 1.22 0.90 3.32 92.73 01:30:01 0 1.45 0.00 1.33 0.38 3.48 93.36 01:30:01 1 2.24 0.00 1.21 1.11 3.40 92.04 01:30:01 2 1.52 0.00 0.95 0.12 3.22 94.20 01:30:01 3 2.13 0.00 1.41 1.98 3.18 91.31 Average: all 2.63 0.00 1.08 0.60 2.47 93.21 Average: 0 2.64 0.00 1.15 0.48 2.51 93.22 Average: 1 2.65 0.00 1.09 0.54 2.56 93.16 Average: 2 2.57 0.00 0.97 0.13 2.38 93.95 Average: 3 2.67 0.00 1.13 1.24 2.43 92.52