---> uname -a: Linux 5075b33a9593 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 120 0 1053 1068 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) 07/03/20 _x86_64_ (4 CPU) 02:03:44 LINUX RESTART 02:04:01 tps rtps wtps bread/s bwrtn/s 02:05:01 173.03 80.49 92.54 10151.66 40343.62 02:06:01 1.87 0.00 1.87 0.00 39.94 02:07:01 0.37 0.00 0.37 0.00 5.83 02:08:01 0.28 0.00 0.28 0.00 3.35 02:09:01 139.07 85.13 53.94 6839.10 19921.93 Average: 62.93 33.13 29.81 3398.83 12065.62 02:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:05:01 163696 1717860 91.30 2620 1132704 1119328 38.20 448400 1109284 120 02:06:01 170008 1711548 90.96 2620 1132708 1070700 36.54 444888 1107280 20 02:07:01 169368 1712188 91.00 2620 1132716 1070980 36.55 446212 1107268 8 02:08:01 166972 1714584 91.13 2620 1132716 1071108 36.55 448588 1107020 16 02:09:01 96212 1785344 94.89 2620 1125124 1267932 43.27 469148 1113980 24 Average: 153251 1728305 91.86 2620 1131194 1120010 38.22 451447 1108966 38 02:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:05:01 eth0 499.73 304.13 1050.80 101.14 0.00 0.00 0.00 02:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 docker0 5.09 3.50 0.85 8.84 0.00 0.00 0.00 02:06:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 02:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:07:01 eth0 2.60 1.33 1.81 0.23 0.00 0.00 0.00 02:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:08:01 eth0 0.57 0.50 0.31 0.24 0.00 0.00 0.00 02:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:09:01 eth0 102.70 67.24 2334.19 11.46 0.00 0.00 0.00 02:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 121.30 74.68 677.50 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 1.02 0.70 0.17 1.77 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) 02:03:44 LINUX RESTART 02:04:01 CPU %user %nice %system %iowait %steal %idle 02:05:01 all 15.07 0.00 6.52 11.30 0.02 67.10 02:05:01 0 13.71 0.00 7.58 10.05 0.02 68.65 02:05:01 1 16.83 0.00 5.47 10.12 0.02 67.56 02:05:01 2 13.85 0.00 6.44 10.85 0.02 68.85 02:05:01 3 15.88 0.00 6.60 14.18 0.02 63.32 02:06:01 all 0.17 0.00 0.02 0.00 0.00 99.81 02:06:01 0 0.18 0.00 0.02 0.00 0.00 99.80 02:06:01 1 0.38 0.00 0.03 0.00 0.00 99.58 02:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 02:06:01 3 0.05 0.00 0.03 0.00 0.00 99.92 02:07:01 all 0.17 0.00 0.03 0.00 0.00 99.80 02:07:01 0 0.55 0.00 0.03 0.00 0.00 99.42 02:07:01 1 0.02 0.00 0.02 0.00 0.00 99.97 02:07:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:07:01 3 0.07 0.00 0.03 0.00 0.00 99.90 02:08:01 all 0.16 0.00 0.03 0.00 0.00 99.81 02:08:01 0 0.52 0.00 0.02 0.00 0.00 99.47 02:08:01 1 0.07 0.00 0.03 0.00 0.00 99.90 02:08:01 2 0.02 0.00 0.03 0.00 0.00 99.95 02:08:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:09:01 all 4.96 0.00 2.50 2.23 0.01 90.30 02:09:01 0 5.34 0.00 2.38 2.21 0.00 90.08 02:09:01 1 5.15 0.00 2.71 2.56 0.02 89.56 02:09:01 2 4.76 0.00 2.51 3.03 0.00 89.69 02:09:01 3 4.59 0.00 2.44 1.09 0.02 91.86 Average: all 4.08 0.00 1.81 2.69 0.01 91.41 Average: 0 4.04 0.00 1.99 2.44 0.00 91.52 Average: 1 4.47 0.00 1.64 2.52 0.01 91.36 Average: 2 3.73 0.00 1.80 2.77 0.00 91.70 Average: 3 4.10 0.00 1.82 3.03 0.01 91.04