---> uname -a: Linux 80001d7a8478 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@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 801 111 0 924 965 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) 08/27/20 _x86_64_ (4 CPU) 11:11:38 LINUX RESTART 11:13:01 tps rtps wtps bread/s bwrtn/s 11:14:01 32.39 11.18 21.21 4386.51 2136.90 11:15:01 1.61 0.00 1.61 0.00 30.83 11:16:02 0.30 0.00 0.30 0.00 3.49 11:17:01 0.24 0.00 0.24 0.00 2.87 11:18:01 0.32 0.00 0.32 0.00 4.40 11:19:02 2.24 0.18 2.06 106.65 904.13 11:20:01 257.15 161.29 95.86 7071.31 31899.16 11:21:01 215.21 76.61 138.60 4034.57 30331.80 11:22:02 107.08 58.69 48.39 4637.11 13972.18 Average: 68.27 34.05 34.22 2245.18 8782.46 11:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:14:01 159440 1722116 91.53 2620 1158820 1162100 39.66 415332 1145288 120 11:15:01 172340 1709216 90.84 2620 1158824 1073856 36.65 410668 1139116 8 11:16:02 169668 1711888 90.98 2620 1158856 1074160 36.66 413520 1138544 12 11:17:01 171164 1710392 90.90 2620 1158832 1073920 36.65 414628 1136052 16 11:18:01 168860 1712696 91.03 2620 1158840 1074172 36.66 417020 1136052 16 11:19:02 73364 1808192 96.10 2620 1215656 1281188 43.72 482800 1159216 1808 11:20:01 148712 1732844 92.10 2620 1066668 1389476 47.42 569636 966396 48 11:21:01 82740 1798816 95.60 2092 1008444 1297176 44.27 692696 817884 70220 11:22:02 68640 1812916 96.35 1492 987968 1614204 55.09 709880 814972 53968 Average: 134992 1746564 92.83 2436 1119212 1226695 41.86 502909 1050391 14024 11:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:14:01 eth0 67.00 59.41 450.15 47.34 0.00 0.00 0.00 11:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 docker0 4.78 3.35 0.87 10.05 0.00 0.00 0.00 11:15:01 eth0 0.76 0.08 0.06 0.01 0.00 0.00 0.00 11:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:02 eth0 0.78 0.33 0.28 0.20 0.00 0.00 0.00 11:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 eth0 0.54 0.08 0.06 0.01 0.00 0.00 0.00 11:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 eth0 0.57 0.47 0.39 0.26 0.00 0.00 0.00 11:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:02 eth0 66.66 41.13 1651.47 4.62 0.00 0.00 0.00 11:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 veth2be8f57 0.00 0.10 0.00 0.01 0.00 0.00 0.00 11:20:01 eth0 431.07 291.40 5087.04 117.97 0.00 0.00 0.00 11:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 11:20:01 docker0 19.67 18.40 2.11 134.16 0.00 0.00 0.00 11:21:01 eth0 161.04 104.69 3395.29 64.12 0.00 0.00 0.00 11:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 veth6cacf46 18.09 30.50 1.14 198.29 0.00 0.00 0.00 11:21:01 docker0 18.09 30.37 0.89 198.28 0.00 0.00 0.00 11:22:02 eth0 131.13 96.44 2337.75 70.10 0.00 0.00 0.00 11:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:02 docker0 2.33 1.86 0.48 0.55 0.00 0.00 0.00 Average: eth0 59.22 40.74 1126.57 22.63 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.43 5.60 0.38 36.80 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) 08/27/20 _x86_64_ (4 CPU) 11:11:38 LINUX RESTART 11:13:01 CPU %user %nice %system %iowait %steal %idle 11:14:01 all 2.41 0.00 1.72 0.75 13.55 81.57 11:14:01 0 2.02 0.00 1.52 1.22 14.59 80.66 11:14:01 1 2.42 0.00 1.96 0.87 13.38 81.37 11:14:01 2 2.48 0.00 1.89 0.26 12.67 82.71 11:14:01 3 2.73 0.00 1.52 0.67 13.53 81.55 11:15:01 all 0.07 0.00 0.07 0.00 1.75 98.12 11:15:01 0 0.13 0.00 0.05 0.00 2.19 97.63 11:15:01 1 0.02 0.00 0.08 0.00 1.29 98.61 11:15:01 2 0.00 0.00 0.07 0.00 1.32 98.62 11:15:01 3 0.08 0.00 0.08 0.00 2.19 97.64 11:16:02 all 0.07 0.00 0.02 0.00 1.95 97.96 11:16:02 0 0.16 0.00 0.03 0.00 1.92 97.88 11:16:02 1 0.03 0.00 0.02 0.00 2.73 97.22 11:16:02 2 0.03 0.00 0.02 0.00 1.82 98.13 11:16:02 3 0.05 0.00 0.03 0.00 1.30 98.62 11:17:01 all 0.05 0.00 0.04 0.00 1.58 98.33 11:17:01 0 0.07 0.00 0.03 0.00 0.59 99.31 11:17:01 1 0.02 0.00 0.03 0.00 2.41 97.55 11:17:01 2 0.10 0.00 0.03 0.00 1.32 98.54 11:17:01 3 0.03 0.00 0.05 0.00 1.98 97.93 11:18:01 all 0.06 0.00 0.04 0.00 1.46 98.45 11:18:01 0 0.02 0.00 0.02 0.00 0.76 99.21 11:18:01 1 0.16 0.00 0.07 0.00 2.93 96.84 11:18:01 2 0.03 0.00 0.02 0.00 0.78 99.17 11:18:01 3 0.02 0.00 0.03 0.00 1.37 98.59 11:19:02 all 0.96 0.00 0.43 0.03 5.66 92.92 11:19:02 0 0.48 0.00 0.43 0.00 5.81 93.27 11:19:02 1 0.98 0.00 0.61 0.08 4.70 93.62 11:19:02 2 0.61 0.00 0.27 0.00 5.61 93.50 11:19:02 3 1.75 0.00 0.41 0.03 6.52 91.27 11:20:01 all 4.21 0.00 3.83 2.08 28.79 61.09 11:20:01 0 4.42 0.00 2.90 1.30 30.04 61.34 11:20:01 1 4.08 0.00 3.82 1.05 27.90 63.15 11:20:01 2 4.41 0.00 4.83 3.27 29.22 58.28 11:20:01 3 3.93 0.00 3.84 2.74 27.94 61.55 11:21:01 all 6.24 0.00 4.76 1.55 26.73 60.72 11:21:01 0 5.07 0.00 4.20 0.52 27.45 62.76 11:21:01 1 9.96 0.00 5.25 2.53 26.43 55.82 11:21:01 2 4.41 0.00 3.87 1.86 26.69 63.17 11:21:01 3 5.59 0.00 5.73 1.31 26.35 61.02 11:22:02 all 3.21 0.00 3.50 2.05 22.67 68.58 11:22:02 0 3.54 0.00 3.45 1.69 25.13 66.19 11:22:02 1 2.97 0.00 4.29 0.61 21.79 70.33 11:22:02 2 3.56 0.00 3.29 4.56 23.65 64.94 11:22:02 3 2.73 0.00 2.97 1.33 20.03 72.93 Average: all 1.98 0.00 1.65 0.75 11.91 83.71 Average: 0 1.84 0.00 1.46 0.55 12.55 83.59 Average: 1 2.35 0.00 1.84 0.59 11.79 83.43 Average: 2 1.79 0.00 1.64 1.15 11.80 83.61 Average: 3 1.92 0.00 1.67 0.70 11.50 84.21