---> uname -a: Linux e1df0fbca9ee 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 7.2G 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-265 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-265@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 666 125 0 1045 1065 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) 08/10/20 _x86_64_ (4 CPU) 11:31:04 LINUX RESTART 11:32:01 tps rtps wtps bread/s bwrtn/s 11:33:01 28.70 9.99 18.71 4312.70 2065.37 11:34:01 1.47 0.00 1.47 0.00 26.06 11:35:01 0.35 0.00 0.35 0.00 5.06 11:36:01 0.30 0.00 0.30 0.00 3.71 11:37:01 0.30 0.00 0.30 0.00 5.91 Average: 6.22 2.00 4.23 862.83 421.36 11:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:33:01 165768 1715788 91.19 2620 1132120 1099712 37.53 412876 1142424 20 11:34:01 168836 1712720 91.03 2620 1132124 1070196 36.52 415456 1137908 12 11:35:01 168456 1713100 91.05 2620 1132128 1070376 36.53 416460 1137908 8 11:36:01 166972 1714584 91.13 2620 1132132 1070196 36.52 417564 1137684 20 11:37:01 166280 1715276 91.16 2620 1132136 1070376 36.53 427936 1128472 20 Average: 167262 1714294 91.11 2620 1132128 1076171 36.73 418058 1136879 16 11:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:33:01 eth0 58.61 46.95 342.16 41.02 0.00 0.00 0.00 11:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 docker0 3.88 3.16 0.82 9.74 0.00 0.00 0.00 11:34:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 11:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 eth0 2.17 1.38 1.91 0.27 0.00 0.00 0.00 11:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 eth0 0.57 0.07 0.06 0.01 0.00 0.00 0.00 11:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 eth0 0.47 0.37 0.39 0.26 0.00 0.00 0.00 11:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 12.53 9.77 68.94 8.31 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 0.63 0.16 1.95 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) 08/10/20 _x86_64_ (4 CPU) 11:31:04 LINUX RESTART 11:32:01 CPU %user %nice %system %iowait %steal %idle 11:33:01 all 2.33 0.00 1.51 0.97 0.00 95.18 11:33:01 0 2.26 0.00 1.47 1.97 0.00 94.30 11:33:01 1 2.36 0.00 1.24 1.12 0.00 95.29 11:33:01 2 2.53 0.00 1.86 0.20 0.02 95.40 11:33:01 3 2.19 0.00 1.54 0.57 0.02 95.69 11:34:01 all 0.15 0.00 0.04 0.00 0.00 99.81 11:34:01 0 0.03 0.00 0.03 0.00 0.00 99.93 11:34:01 1 0.03 0.00 0.03 0.00 0.00 99.93 11:34:01 2 0.47 0.00 0.03 0.00 0.00 99.50 11:34:01 3 0.03 0.00 0.05 0.00 0.00 99.92 11:35:01 all 0.17 0.00 0.04 0.00 0.00 99.79 11:35:01 0 0.05 0.00 0.02 0.00 0.00 99.93 11:35:01 1 0.05 0.00 0.08 0.00 0.00 99.87 11:35:01 2 0.07 0.00 0.03 0.00 0.00 99.90 11:35:01 3 0.52 0.00 0.03 0.00 0.00 99.45 11:36:01 all 0.16 0.00 0.03 0.00 0.00 99.81 11:36:01 0 0.02 0.00 0.03 0.00 0.00 99.95 11:36:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:36:01 2 0.03 0.00 0.03 0.00 0.00 99.93 11:36:01 3 0.52 0.00 0.00 0.00 0.00 99.48 11:37:01 all 0.14 0.00 0.06 0.00 0.00 99.80 11:37:01 0 0.05 0.00 0.02 0.00 0.00 99.93 11:37:01 1 0.07 0.00 0.07 0.00 0.00 99.87 11:37:01 2 0.07 0.00 0.10 0.00 0.00 99.83 11:37:01 3 0.37 0.00 0.05 0.00 0.00 99.58 Average: all 0.59 0.00 0.34 0.19 0.00 98.88 Average: 0 0.48 0.00 0.31 0.39 0.00 98.81 Average: 1 0.51 0.00 0.29 0.22 0.00 98.97 Average: 2 0.63 0.00 0.41 0.04 0.00 98.92 Average: 3 0.72 0.00 0.33 0.11 0.00 98.83