---> uname -a: Linux 12744c98b488 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: 2933.442 BogoMIPS: 5866.88 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253 ---> free -m: total used free shared buff/cache available Mem: 1837 633 131 0 1072 1098 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) 07/29/20 _x86_64_ (4 CPU) 10:09:28 LINUX RESTART 10:10:01 tps rtps wtps bread/s bwrtn/s 10:11:01 75.02 27.63 47.39 6439.01 4917.98 10:12:01 1.97 0.00 1.97 0.00 47.15 10:13:01 0.20 0.00 0.20 0.00 2.28 10:14:01 0.28 0.00 0.28 0.00 3.20 10:15:01 0.45 0.18 0.27 13.46 4.88 10:16:01 0.70 0.00 0.70 0.00 13.11 10:17:01 44.33 44.06 0.27 3708.11 3.66 Average: 17.57 10.27 7.30 1452.01 713.55 10:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:11:01 178720 1702836 90.50 2620 1147352 1121416 38.27 432808 1109128 120 10:12:01 184576 1696980 90.19 2620 1147540 1079716 36.85 430476 1106532 12 10:13:01 183868 1697688 90.23 2620 1147548 1079924 36.86 432148 1105760 8 10:14:01 182132 1699424 90.32 2620 1147548 1079972 36.86 434284 1105168 16 10:15:01 178648 1702908 90.51 2620 1148060 1092104 37.27 439608 1103176 120 10:16:01 177868 1703688 90.55 2620 1148068 1092404 37.28 440888 1102700 16 10:17:01 77264 1804292 95.89 2620 1229396 1116500 38.10 458488 1186072 84 Average: 166154 1715402 91.17 2620 1159359 1094577 37.36 438386 1116934 54 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:11:01 eth0 518.54 313.17 1037.28 103.56 0.00 0.00 0.00 10:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 docker0 5.48 3.60 0.88 9.24 0.00 0.00 0.00 10:12:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 10:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 eth0 1.42 0.32 0.35 0.20 0.00 0.00 0.00 10:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 eth0 0.97 0.55 0.57 0.36 0.00 0.00 0.00 10:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 eth0 7.06 4.00 6.15 2.87 0.00 0.00 0.00 10:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 eth0 1.88 1.08 1.45 0.81 0.00 0.00 0.00 10:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 eth0 6.16 3.51 5.72 2.30 0.00 0.00 0.00 10:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 76.72 46.12 150.30 15.74 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.78 0.51 0.13 1.32 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) 07/29/20 _x86_64_ (4 CPU) 10:09:28 LINUX RESTART 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:11:01 all 12.74 0.00 4.11 2.61 0.01 80.53 10:11:01 0 13.20 0.00 3.97 3.91 0.02 78.91 10:11:01 1 13.50 0.00 4.06 1.52 0.02 80.90 10:11:01 2 13.77 0.00 3.82 4.54 0.00 77.87 10:11:01 3 10.49 0.00 4.58 0.47 0.02 84.44 10:12:01 all 0.16 0.00 0.02 0.00 0.00 99.82 10:12:01 0 0.03 0.00 0.02 0.00 0.00 99.95 10:12:01 1 0.03 0.00 0.03 0.00 0.00 99.93 10:12:01 2 0.03 0.00 0.03 0.00 0.00 99.93 10:12:01 3 0.52 0.00 0.03 0.00 0.00 99.45 10:13:01 all 0.08 0.00 0.04 0.00 0.00 99.87 10:13:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:13:01 1 0.07 0.00 0.05 0.00 0.00 99.88 10:13:01 2 0.00 0.00 0.02 0.00 0.00 99.98 10:13:01 3 0.25 0.00 0.05 0.00 0.00 99.70 10:14:01 all 0.03 0.00 0.02 0.00 0.00 99.95 10:14:01 0 0.02 0.00 0.03 0.00 0.00 99.95 10:14:01 1 0.03 0.00 0.05 0.00 0.00 99.92 10:14:01 2 0.02 0.00 0.02 0.00 0.00 99.97 10:14:01 3 0.03 0.00 0.00 0.00 0.00 99.97 10:15:01 all 0.23 0.00 0.08 0.00 0.00 99.68 10:15:01 0 0.08 0.00 0.07 0.00 0.00 99.85 10:15:01 1 0.13 0.00 0.07 0.02 0.00 99.78 10:15:01 2 0.18 0.00 0.07 0.02 0.00 99.73 10:15:01 3 0.55 0.00 0.10 0.00 0.00 99.35 10:16:01 all 0.17 0.00 0.07 0.00 0.00 99.75 10:16:01 0 0.03 0.00 0.07 0.00 0.00 99.90 10:16:01 1 0.07 0.00 0.13 0.00 0.00 99.80 10:16:01 2 0.07 0.00 0.07 0.00 0.00 99.87 10:16:01 3 0.52 0.00 0.03 0.00 0.00 99.45 10:17:01 all 0.63 0.00 0.23 1.01 0.00 98.13 10:17:01 0 0.23 0.00 0.12 0.03 0.00 99.62 10:17:01 1 0.87 0.00 0.33 0.78 0.00 98.02 10:17:01 2 0.08 0.00 0.08 0.00 0.00 99.83 10:17:01 3 1.32 0.00 0.38 3.20 0.00 95.10 Average: all 2.00 0.00 0.65 0.52 0.00 96.83 Average: 0 1.94 0.00 0.61 0.56 0.00 96.89 Average: 1 2.09 0.00 0.67 0.33 0.00 96.90 Average: 2 2.02 0.00 0.58 0.65 0.00 96.75 Average: 3 1.95 0.00 0.74 0.52 0.00 96.79