---> uname -a: Linux 02a6625827e3 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: 2933.396 BogoMIPS: 5866.79 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 795 119 0 922 978 Swap: 1023 2 1021 ---> 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) 09/16/20 _x86_64_ (4 CPU) 03:22:32 LINUX RESTART (4 CPU) 03:23:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:24:02 137.79 51.34 86.45 0.00 7756.95 40120.69 0.00 03:25:01 1.59 0.00 1.59 0.00 0.00 32.11 0.00 03:26:01 0.52 0.00 0.52 0.00 0.00 8.43 0.00 03:27:01 0.30 0.00 0.30 0.00 0.00 4.06 0.00 03:28:01 0.30 0.00 0.30 0.00 0.00 5.01 0.00 03:29:01 58.52 20.30 38.22 0.00 1415.35 19017.24 0.00 03:30:01 349.35 174.03 175.32 0.00 10097.34 46009.34 0.00 Average: 78.55 35.20 43.36 0.00 2760.53 15069.45 0.00 03:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:24:02 169084 0 575328 30.58 2620 1134524 1101404 37.59 401108 1150640 120 03:25:01 171092 0 573132 30.46 2620 1134712 1092868 37.30 402064 1148164 12 03:26:01 171472 0 572740 30.44 2620 1134724 1087728 37.12 403708 1146040 8 03:27:01 172768 0 571444 30.37 2620 1134724 1072464 36.60 404132 1145048 20 03:28:01 172392 0 571816 30.39 2620 1134728 1072308 36.60 410592 1139088 12 03:29:01 147548 0 650396 34.57 2620 1080992 1270644 43.36 452792 1086736 104968 03:30:01 209752 0 772980 41.08 1608 897216 1416204 48.33 643180 745480 40 Average: 173444 0 612548 32.56 2475 1093089 1159089 39.56 445368 1080171 15026 03:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:24:02 eth0 410.90 268.72 1054.67 97.94 0.00 0.00 0.00 0.00 03:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:02 docker0 5.34 3.78 0.99 10.92 0.00 0.00 0.00 0.00 03:25:01 eth0 7.08 3.56 5.38 0.44 0.00 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 1.23 0.33 0.33 0.17 0.00 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 0.60 0.38 0.28 0.24 0.00 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 eth0 0.55 0.08 0.06 0.01 0.00 0.00 0.00 0.00 03:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 eth0 415.45 378.72 3779.52 28.53 0.00 0.00 0.00 0.00 03:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 eth0 485.70 428.33 3582.44 103.27 0.00 0.00 0.00 0.00 03:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 vetha81ee33 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 docker0 48.35 53.28 3.05 321.62 0.00 0.00 0.00 0.00 Average: eth0 189.28 154.71 1206.43 33.03 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: vetha81ee33 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.69 8.17 0.58 47.64 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) 03:22:32 LINUX RESTART (4 CPU) 03:23:01 CPU %user %nice %system %iowait %steal %idle 03:24:02 all 14.19 0.00 6.34 5.04 0.01 74.42 03:24:02 0 14.11 0.00 7.06 5.91 0.02 72.90 03:24:02 1 14.21 0.00 5.72 4.79 0.00 75.28 03:24:02 2 14.69 0.00 6.80 6.08 0.00 72.44 03:24:02 3 13.73 0.00 5.80 3.37 0.02 77.08 03:25:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:25:01 0 0.08 0.00 0.05 0.00 0.00 99.86 03:25:01 1 0.12 0.00 0.05 0.00 0.00 99.83 03:25:01 2 0.10 0.00 0.03 0.00 0.00 99.86 03:25:01 3 0.41 0.00 0.07 0.00 0.00 99.53 03:26:01 all 0.14 0.00 0.03 0.00 0.00 99.83 03:26:01 0 0.03 0.00 0.00 0.00 0.00 99.97 03:26:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:26:01 2 0.03 0.00 0.03 0.00 0.00 99.93 03:26:01 3 0.47 0.00 0.05 0.00 0.00 99.48 03:27:01 all 0.14 0.00 0.02 0.00 0.00 99.83 03:27:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:27:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:27:01 2 0.03 0.00 0.03 0.00 0.02 99.92 03:27:01 3 0.47 0.00 0.02 0.00 0.00 99.52 03:28:01 all 0.05 0.00 0.04 0.00 0.00 99.92 03:28:01 0 0.02 0.00 0.05 0.00 0.00 99.93 03:28:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:28:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:28:01 3 0.08 0.00 0.05 0.00 0.00 99.87 03:29:01 all 4.34 0.00 2.41 0.26 0.00 92.99 03:29:01 0 4.45 0.00 2.51 0.03 0.00 93.01 03:29:01 1 3.97 0.00 2.45 0.08 0.02 93.48 03:29:01 2 4.55 0.00 2.18 0.74 0.00 92.54 03:29:01 3 4.38 0.00 2.49 0.20 0.00 92.93 03:30:01 all 13.13 0.00 7.78 4.39 0.04 74.67 03:30:01 0 11.06 0.00 8.26 3.98 0.05 76.66 03:30:01 1 12.43 0.00 7.17 4.62 0.03 75.74 03:30:01 2 12.18 0.00 7.04 5.99 0.03 74.76 03:30:01 3 16.84 0.00 8.65 2.97 0.03 71.50 Average: all 4.57 0.00 2.37 1.38 0.01 91.67 Average: 0 4.23 0.00 2.55 1.41 0.01 91.80 Average: 1 4.39 0.00 2.20 1.35 0.01 92.06 Average: 2 4.50 0.00 2.30 1.82 0.01 91.37 Average: 3 5.17 0.00 2.43 0.93 0.01 91.47