---> uname -a: Linux 5edc0f647867 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% /w/workspace/dry_go-mod-core-contracts_PR-300 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-300@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 655 129 0 1052 1075 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) 09/24/20 _x86_64_ (4 CPU) 21:04:13 LINUX RESTART (4 CPU) 21:05:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:06:01 64.50 16.73 47.77 0.00 5160.07 5079.85 0.00 21:07:01 2.46 0.00 2.46 0.00 0.00 52.89 0.00 21:08:01 0.33 0.00 0.33 0.00 0.00 4.75 0.00 21:09:01 0.28 0.00 0.28 0.00 0.00 2.96 0.00 21:10:01 0.20 0.00 0.20 0.00 0.00 2.63 0.00 21:11:01 0.38 0.00 0.38 0.00 0.00 5.30 0.00 21:12:01 0.28 0.02 0.27 0.00 0.13 3.10 0.00 21:13:01 0.60 0.00 0.60 0.00 0.00 6.66 0.00 21:14:01 0.58 0.00 0.58 0.00 0.00 7.31 0.00 21:15:01 0.15 0.00 0.15 0.00 0.00 1.75 0.00 21:16:01 0.28 0.00 0.28 0.00 0.00 4.01 0.00 21:17:01 0.18 0.00 0.18 0.00 0.00 2.83 0.00 21:18:01 0.20 0.00 0.20 0.00 0.00 2.16 0.00 21:19:01 92.91 53.98 38.93 0.00 6217.04 6273.82 0.00 Average: 11.61 5.04 6.57 0.00 807.93 813.22 0.00 21:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:06:01 159312 0 574788 30.55 2620 1144836 1101992 37.61 421964 1139560 120 21:07:01 161072 0 573024 30.45 2620 1144840 1096728 37.43 422872 1137380 12 21:08:01 162704 0 571384 30.37 2620 1144848 1080280 36.87 422484 1136088 8 21:09:01 160892 0 573196 30.46 2620 1144848 1080280 36.87 426580 1133964 16 21:10:01 161472 0 572612 30.43 2620 1144852 1080280 36.87 431864 1128808 8 21:11:01 160920 0 573156 30.46 2620 1144860 1080352 36.87 432272 1128808 8 21:12:01 161380 0 572692 30.44 2620 1144864 1080280 36.87 431772 1128808 12 21:13:01 161092 0 572968 30.45 2620 1144876 1080280 36.87 427896 1132816 8 21:14:01 161148 0 572908 30.45 2620 1144880 1080280 36.87 427900 1132816 16 21:15:01 160952 0 573096 30.46 2620 1144888 1080280 36.87 421896 1138704 20 21:16:01 160396 0 573652 30.49 2620 1144888 1080412 36.87 422612 1138704 16 21:17:01 160180 0 573864 30.50 2620 1144892 1080500 36.88 422908 1138704 8 21:18:01 160452 0 573584 30.48 2620 1144900 1080508 36.88 420568 1140752 8 21:19:01 191128 0 618212 32.86 2620 1069596 1191912 40.68 434604 1061560 32 Average: 163079 0 576367 30.63 2620 1139491 1091026 37.23 426299 1129819 21 21:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:06:01 eth0 311.88 244.99 1042.59 99.83 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 5.06 3.87 1.01 11.34 0.00 0.00 0.00 0.00 21:07:01 eth0 1.90 0.97 1.09 0.78 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.17 0.02 0.01 0.00 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 eth0 0.27 0.08 0.02 0.01 0.00 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 0.30 0.23 0.15 0.07 0.00 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 eth0 7.45 0.08 0.68 0.01 0.00 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 eth0 6.68 0.68 1.18 0.46 0.00 0.00 0.00 0.00 21:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 eth0 3.05 0.85 0.95 0.61 0.00 0.00 0.00 0.00 21:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 eth0 0.60 0.32 0.28 0.20 0.00 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 88.86 68.16 742.51 10.72 0.00 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 vethca0e5cf 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.80 22.37 126.81 7.95 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: vethca0e5cf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.36 0.27 0.07 0.80 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) 09/24/20 _x86_64_ (4 CPU) 21:04:13 LINUX RESTART (4 CPU) 21:05:02 CPU %user %nice %system %iowait %steal %idle 21:06:01 all 9.45 0.00 3.80 1.96 0.07 84.72 21:06:01 0 9.77 0.00 4.26 0.81 0.05 85.11 21:06:01 1 9.30 0.00 3.29 1.53 0.07 85.81 21:06:01 2 8.68 0.00 3.32 0.68 0.09 87.23 21:06:01 3 10.07 0.00 4.32 4.81 0.07 80.74 21:07:01 all 0.19 0.00 0.05 0.00 0.00 99.75 21:07:01 0 0.07 0.00 0.03 0.00 0.02 99.88 21:07:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:07:01 2 0.58 0.00 0.07 0.00 0.00 99.35 21:07:01 3 0.05 0.00 0.07 0.00 0.00 99.88 21:08:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:08:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:08:01 2 0.57 0.00 0.07 0.00 0.00 99.37 21:08:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:09:01 all 0.13 0.00 0.03 0.00 0.00 99.83 21:09:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:09:01 1 0.13 0.00 0.05 0.00 0.02 99.80 21:09:01 2 0.35 0.00 0.05 0.00 0.00 99.60 21:09:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:10:01 all 0.04 0.00 0.05 0.00 0.00 99.91 21:10:01 0 0.07 0.00 0.02 0.00 0.00 99.92 21:10:01 1 0.03 0.00 0.08 0.00 0.00 99.88 21:10:01 2 0.05 0.00 0.05 0.00 0.02 99.88 21:10:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:11:01 all 0.11 0.00 0.04 0.00 0.00 99.85 21:11:01 0 0.30 0.00 0.05 0.00 0.00 99.65 21:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 21:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:11:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:12:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:12:01 0 0.52 0.00 0.03 0.00 0.00 99.45 21:12:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:12:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:12:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:13:01 all 0.16 0.00 0.03 0.00 0.00 99.80 21:13:01 0 0.53 0.00 0.02 0.00 0.00 99.45 21:13:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:13:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:13:01 3 0.03 0.00 0.05 0.00 0.02 99.90 21:14:01 all 0.16 0.00 0.02 0.00 0.00 99.81 21:14:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:14:01 1 0.05 0.00 0.02 0.00 0.00 99.93 21:14:01 2 0.52 0.00 0.03 0.00 0.00 99.45 21:14:01 3 0.07 0.00 0.03 0.00 0.00 99.90 21:15:01 all 0.15 0.00 0.04 0.00 0.00 99.80 21:15:01 0 0.02 0.00 0.02 0.00 0.02 99.95 21:15:01 1 0.03 0.00 0.05 0.00 0.00 99.92 21:15:01 2 0.53 0.00 0.02 0.00 0.00 99.45 21:15:01 3 0.03 0.00 0.07 0.00 0.00 99.90 21:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:16:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:16:01 1 0.10 0.00 0.05 0.00 0.02 99.83 21:16:01 2 0.52 0.00 0.03 0.00 0.00 99.45 21:16:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:16:01 CPU %user %nice %system %iowait %steal %idle 21:17:01 all 0.18 0.00 0.04 0.00 0.01 99.77 21:17:01 0 0.03 0.00 0.00 0.00 0.02 99.95 21:17:01 1 0.08 0.00 0.07 0.00 0.00 99.85 21:17:01 2 0.55 0.00 0.05 0.00 0.02 99.38 21:17:01 3 0.05 0.00 0.03 0.00 0.02 99.90 21:18:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:18:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:18:01 1 0.07 0.00 0.05 0.00 0.00 99.88 21:18:01 2 0.50 0.00 0.03 0.00 0.00 99.47 21:18:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:19:01 all 3.13 0.00 2.15 1.16 0.02 93.53 21:19:01 0 2.41 0.00 2.13 0.23 0.00 95.23 21:19:01 1 2.48 0.00 1.81 0.13 0.03 95.55 21:19:01 2 5.13 0.00 2.75 4.21 0.02 87.89 21:19:01 3 2.51 0.00 1.93 0.08 0.02 95.46 Average: all 1.01 0.00 0.45 0.22 0.01 98.31 Average: 0 0.97 0.00 0.47 0.07 0.01 98.48 Average: 1 0.88 0.00 0.40 0.12 0.01 98.59 Average: 2 1.28 0.00 0.46 0.35 0.01 97.90 Average: 3 0.91 0.00 0.47 0.34 0.01 98.27