---> uname -a: Linux 9c521147119a 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 776 102 0 958 993 Swap: 1023 3 1020 ---> 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 16: eth0@if17: 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) 07/20/20 _x86_64_ (4 CPU) 21:12:13 LINUX RESTART 21:13:01 tps rtps wtps bread/s bwrtn/s 21:14:01 15.72 3.83 11.89 990.91 864.33 21:15:01 0.33 0.00 0.33 0.00 5.00 21:16:01 0.28 0.00 0.28 0.00 3.51 21:17:01 0.23 0.00 0.23 0.00 2.83 21:18:02 367.58 191.91 175.67 8232.17 57832.29 Average: 77.07 39.27 37.80 1849.93 11779.94 21:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:14:01 166380 1715176 91.16 2620 1153480 1107024 37.78 429808 1124960 16 21:15:01 170744 1710812 90.93 2620 1153484 1089048 37.17 427688 1122992 16 21:16:01 170604 1710952 90.93 2620 1153492 1080728 36.88 428840 1122424 12 21:17:01 170104 1711452 90.96 2620 1153492 1080872 36.89 429508 1122424 8 21:18:02 65928 1815628 96.50 2408 1036028 1523016 51.98 612484 916412 53632 Average: 148752 1732804 92.09 2578 1129995 1176138 40.14 465666 1081842 10737 21:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:14:01 eth0 34.22 29.08 31.98 34.76 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 6.11 4.06 0.92 9.18 0.00 0.00 0.00 21:15:01 eth0 1.13 0.55 0.56 0.36 0.00 0.00 0.00 21:15:01 lo 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 21:16:01 eth0 0.48 0.02 0.05 0.03 0.00 0.00 0.00 21:16:01 lo 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 21:17:01 eth0 0.50 0.32 0.27 0.20 0.00 0.00 0.00 21:17:01 lo 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 21:18:02 eth0 285.52 191.54 7065.34 29.70 0.00 0.00 0.00 21:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:02 docker0 13.55 12.87 1.09 119.17 0.00 0.00 0.00 Average: eth0 64.56 44.42 1424.34 13.03 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.94 3.39 0.40 25.75 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) 07/20/20 _x86_64_ (4 CPU) 21:12:13 LINUX RESTART 21:13:01 CPU %user %nice %system %iowait %steal %idle 21:14:01 all 1.49 0.00 0.79 0.55 0.00 97.17 21:14:01 0 1.37 0.00 0.90 1.08 0.00 96.65 21:14:01 1 1.59 0.00 0.74 0.57 0.00 97.11 21:14:01 2 1.33 0.00 0.77 0.17 0.00 97.73 21:14:01 3 1.67 0.00 0.77 0.37 0.00 97.20 21:15:01 all 0.04 0.00 0.04 0.00 0.00 99.92 21:15:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:15:01 1 0.07 0.00 0.07 0.00 0.00 99.87 21:15:01 2 0.03 0.00 0.03 0.00 0.02 99.92 21:15:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:16:01 all 0.06 0.00 0.03 0.00 0.00 99.91 21:16:01 0 0.00 0.00 0.02 0.00 0.00 99.98 21:16:01 1 0.18 0.00 0.05 0.00 0.02 99.75 21:16:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:16:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:17:01 all 0.15 0.00 0.03 0.00 0.00 99.81 21:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:17:01 1 0.52 0.00 0.02 0.00 0.00 99.47 21:17:01 2 0.03 0.00 0.05 0.00 0.00 99.92 21:17:01 3 0.03 0.00 0.03 0.00 0.02 99.92 21:18:02 all 15.46 0.00 9.35 3.30 0.13 71.75 21:18:02 0 14.79 0.00 9.23 3.04 0.14 72.81 21:18:02 1 16.89 0.00 8.80 1.63 0.17 72.52 21:18:02 2 15.05 0.00 9.29 5.12 0.12 70.42 21:18:02 3 15.13 0.00 10.11 3.42 0.10 71.24 Average: all 3.40 0.00 2.02 0.76 0.03 93.79 Average: 0 3.20 0.00 2.01 0.82 0.03 93.95 Average: 1 3.81 0.00 1.91 0.44 0.04 93.80 Average: 2 3.25 0.00 2.00 1.04 0.03 93.68 Average: 3 3.33 0.00 2.16 0.75 0.02 93.73