---> uname -a: Linux 3880b8a957c7 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 773 105 0 958 996 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) 07/03/20 _x86_64_ (4 CPU) 02:34:25 LINUX RESTART 02:35:01 tps rtps wtps bread/s bwrtn/s 02:36:01 56.38 13.77 42.61 4789.61 4777.47 02:37:01 1.57 0.00 1.57 0.00 28.64 02:38:01 0.47 0.00 0.47 0.00 6.78 02:39:01 0.23 0.00 0.23 0.00 2.83 02:40:02 277.88 167.08 110.80 7295.45 41659.14 02:41:01 264.91 121.39 143.52 8216.45 39945.52 Average: 99.91 50.25 49.66 3373.23 14351.96 02:35:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:36:01 164168 1717388 91.27 2620 1157080 1114572 38.04 420732 1135776 20 02:37:01 169492 1712064 90.99 2620 1157084 1079024 36.83 419872 1131908 16 02:38:01 168600 1712956 91.04 2620 1157092 1079296 36.83 421208 1131912 8 02:39:01 167236 1714320 91.11 2620 1157092 1079336 36.84 423008 1131320 8 02:40:02 151472 1730084 91.95 2596 1026400 1521888 51.94 588240 927760 75564 02:41:01 79356 1802200 95.78 1492 995072 1535240 52.39 674620 830012 87136 Average: 150054 1731502 92.03 2428 1108303 1234893 42.14 491280 1048115 27125 02:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:36:01 eth0 394.32 232.03 786.56 84.01 0.00 0.00 0.00 02:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:36:01 docker0 3.68 3.11 0.74 8.75 0.00 0.00 0.00 02:37:01 eth0 0.67 0.07 0.06 0.01 0.00 0.00 0.00 02:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:38:01 eth0 1.25 0.55 0.69 0.19 0.00 0.00 0.00 02:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:39:01 eth0 0.43 0.37 0.26 0.23 0.00 0.00 0.00 02:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:02 eth0 262.83 183.92 7060.28 26.49 0.00 0.00 0.00 02:40:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:02 docker0 12.45 12.11 1.02 118.39 0.00 0.00 0.00 02:41:01 eth0 210.83 145.55 2606.31 85.60 0.00 0.00 0.00 02:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:41:01 docker0 23.76 26.70 1.45 175.13 0.00 0.00 0.00 Average: eth0 144.96 93.67 1743.21 32.62 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.61 6.94 0.53 50.09 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) 07/03/20 _x86_64_ (4 CPU) 02:34:25 LINUX RESTART 02:35:01 CPU %user %nice %system %iowait %steal %idle 02:36:01 all 8.28 0.00 3.34 2.19 0.01 86.17 02:36:01 0 8.70 0.00 3.83 1.86 0.00 85.60 02:36:01 1 8.48 0.00 3.23 0.08 0.02 88.19 02:36:01 2 8.12 0.00 3.12 1.86 0.02 86.89 02:36:01 3 7.83 0.00 3.20 4.98 0.00 83.99 02:37:01 all 0.10 0.00 0.04 0.00 0.00 99.87 02:37:01 0 0.02 0.00 0.05 0.00 0.00 99.93 02:37:01 1 0.08 0.00 0.05 0.00 0.00 99.87 02:37:01 2 0.27 0.00 0.03 0.00 0.00 99.70 02:37:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:38:01 all 0.15 0.00 0.04 0.00 0.00 99.82 02:38:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:38:01 1 0.05 0.00 0.03 0.00 0.00 99.92 02:38:01 2 0.47 0.00 0.03 0.00 0.00 99.50 02:38:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:39:01 all 0.14 0.00 0.04 0.00 0.00 99.82 02:39:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:39:01 1 0.05 0.00 0.05 0.00 0.00 99.90 02:39:01 2 0.50 0.00 0.03 0.00 0.00 99.47 02:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:40:02 all 10.47 0.00 5.93 2.02 0.03 81.55 02:40:02 0 9.94 0.00 6.50 2.20 0.03 81.32 02:40:02 1 11.15 0.00 5.77 1.95 0.05 81.08 02:40:02 2 10.07 0.00 5.27 2.79 0.02 81.85 02:40:02 3 10.73 0.00 6.18 1.15 0.03 81.91 02:41:01 all 12.32 0.00 8.13 4.24 0.05 75.26 02:41:01 0 10.45 0.00 7.44 3.86 0.03 78.22 02:41:01 1 16.78 0.00 8.79 4.87 0.05 69.51 02:41:01 2 10.80 0.00 8.53 5.73 0.05 74.90 02:41:01 3 11.24 0.00 7.76 2.52 0.05 78.44 Average: all 5.20 0.00 2.89 1.39 0.02 90.51 Average: 0 4.82 0.00 2.95 1.30 0.01 90.92 Average: 1 6.04 0.00 2.95 1.13 0.02 89.86 Average: 2 5.00 0.00 2.80 1.71 0.01 90.48 Average: 3 4.93 0.00 2.84 1.43 0.01 90.79