---> uname -a: Linux b323e971671e 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 7.0G 43.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 650 136 0 1050 1081 Swap: 1023 0 1023 ---> 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) 09/07/20 _x86_64_ (4 CPU) 13:48:21 LINUX RESTART (4 CPU) 13:49:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 59.51 14.95 44.56 0.00 5007.08 4871.68 0.00 13:51:01 1.67 0.00 1.67 0.00 0.00 32.41 0.00 13:52:01 0.37 0.00 0.37 0.00 0.00 5.46 0.00 13:53:01 0.18 0.00 0.18 0.00 0.00 2.02 0.00 13:54:01 79.51 49.01 30.50 0.00 5493.63 5589.35 0.00 Average: 28.16 12.79 15.36 0.00 2091.36 2091.85 0.00 13:49:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 169036 0 576628 30.65 2620 1133272 1132408 38.65 406096 1146292 120 13:51:01 174504 0 571156 30.36 2620 1133276 1080096 36.86 406132 1141968 8 13:52:01 174524 0 571128 30.35 2620 1133284 1080296 36.87 408636 1140496 8 13:53:01 172552 0 573100 30.46 2620 1133284 1080344 36.87 410592 1139916 8 13:54:01 103696 0 649812 34.54 2620 1125428 1277592 43.60 453800 1120168 8740 Average: 158862 0 588365 31.27 2620 1131709 1130147 38.57 417051 1137768 1777 13:49:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 eth0 199.24 130.07 574.93 70.96 0.00 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 docker0 3.86 3.06 0.86 10.56 0.00 0.00 0.00 0.00 13:51:01 eth0 0.72 0.05 0.06 0.00 0.00 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 eth0 2.51 1.00 2.27 0.21 0.00 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 eth0 0.62 0.30 0.29 0.23 0.00 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 eth0 89.77 73.27 741.38 10.81 0.00 0.00 0.00 0.00 13:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 58.12 40.66 262.87 16.27 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: docker0 0.76 0.60 0.17 2.09 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) 09/07/20 _x86_64_ (4 CPU) 13:48:21 LINUX RESTART (4 CPU) 13:49:02 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 6.07 0.00 2.46 2.28 0.02 89.17 13:50:01 0 5.94 0.00 2.91 2.66 0.02 88.47 13:50:01 1 6.19 0.00 1.89 1.12 0.02 90.78 13:50:01 2 6.79 0.00 2.21 4.08 0.02 86.90 13:50:01 3 5.34 0.00 2.85 1.24 0.02 90.55 13:51:01 all 0.14 0.00 0.04 0.00 0.00 99.82 13:51:01 0 0.43 0.00 0.05 0.00 0.00 99.52 13:51:01 1 0.02 0.00 0.02 0.00 0.00 99.97 13:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:51:01 3 0.08 0.00 0.07 0.00 0.02 99.83 13:52:01 all 0.17 0.00 0.04 0.00 0.00 99.80 13:52:01 0 0.55 0.00 0.02 0.00 0.00 99.43 13:52:01 1 0.03 0.00 0.05 0.00 0.00 99.92 13:52:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:52:01 3 0.05 0.00 0.05 0.00 0.00 99.90 13:53:01 all 0.13 0.00 0.03 0.00 0.00 99.85 13:53:01 0 0.45 0.00 0.03 0.00 0.00 99.52 13:53:01 1 0.02 0.00 0.02 0.00 0.00 99.97 13:53:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 13:54:01 all 2.82 0.00 1.92 1.03 0.01 94.22 13:54:01 0 2.39 0.00 2.49 0.12 0.02 94.98 13:54:01 1 2.21 0.00 1.69 0.03 0.00 96.07 13:54:01 2 3.90 0.00 2.07 2.21 0.02 91.80 13:54:01 3 2.80 0.00 1.42 1.76 0.00 94.02 Average: all 1.85 0.00 0.89 0.65 0.01 96.60 Average: 0 1.94 0.00 1.09 0.55 0.01 96.42 Average: 1 1.67 0.00 0.73 0.23 0.00 97.37 Average: 2 2.13 0.00 0.86 1.25 0.01 95.75 Average: 3 1.64 0.00 0.88 0.60 0.01 96.88