---> uname -a: Linux 67586fbaacf8 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% /w/workspace/dry_go-mod-core-contracts_PR-260@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-260 ---> free -m: total used free shared buff/cache available Mem: 1837 637 119 0 1080 1094 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) 08/03/20 _x86_64_ (4 CPU) 15:43:20 LINUX RESTART 15:44:01 tps rtps wtps bread/s bwrtn/s 15:45:01 31.98 11.11 20.88 4472.19 2117.35 15:46:01 1.63 0.00 1.63 0.00 31.54 15:47:01 0.30 0.00 0.30 0.00 3.66 15:48:01 0.27 0.00 0.27 0.00 2.98 15:49:01 0.17 0.00 0.17 0.00 2.12 Average: 6.87 2.22 4.65 894.65 431.63 15:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:45:01 178460 1703096 90.52 2620 1144004 1114504 38.04 387012 1155092 20 15:46:01 184824 1696732 90.18 2620 1144008 1069788 36.51 385736 1150996 8 15:47:01 184700 1696856 90.18 2620 1144016 1069836 36.51 386056 1150996 8 15:48:01 182804 1698752 90.28 2620 1144016 1069872 36.51 388200 1150396 8 15:49:01 183652 1697904 90.24 2620 1144024 1069764 36.51 393440 1144472 12 Average: 182888 1698668 90.28 2620 1144014 1078753 36.82 388089 1150390 11 15:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:45:01 eth0 125.92 90.43 454.13 50.05 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 7.33 5.46 1.00 9.25 0.00 0.00 0.00 15:46:01 eth0 3.90 1.82 2.95 0.12 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 0.98 0.40 0.32 0.17 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 eth0 0.40 0.37 0.26 0.23 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 15:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 26.29 18.64 91.57 10.13 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.47 1.09 0.20 1.85 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) 08/03/20 _x86_64_ (4 CPU) 15:43:20 LINUX RESTART 15:44:01 CPU %user %nice %system %iowait %steal %idle 15:45:01 all 3.09 0.00 1.74 0.95 0.01 94.21 15:45:01 0 3.04 0.00 1.91 0.12 0.02 94.92 15:45:01 1 3.05 0.00 1.57 0.77 0.00 94.61 15:45:01 2 3.31 0.00 1.62 2.79 0.00 92.28 15:45:01 3 2.97 0.00 1.88 0.10 0.00 95.06 15:46:01 all 0.15 0.00 0.05 0.00 0.00 99.80 15:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:46:01 1 0.07 0.00 0.05 0.00 0.02 99.87 15:46:01 2 0.45 0.00 0.05 0.00 0.00 99.50 15:46:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:47:01 all 0.13 0.00 0.03 0.00 0.00 99.84 15:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:47:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:47:01 2 0.43 0.00 0.03 0.00 0.00 99.53 15:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:48:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:48:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:48:01 1 0.02 0.00 0.02 0.00 0.00 99.97 15:48:01 2 0.53 0.00 0.02 0.00 0.00 99.45 15:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:49:01 all 0.17 0.00 0.03 0.00 0.00 99.80 15:49:01 0 0.07 0.00 0.02 0.00 0.00 99.92 15:49:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:49:01 2 0.53 0.00 0.03 0.00 0.00 99.43 15:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.74 0.00 0.37 0.19 0.00 98.70 Average: 0 0.63 0.00 0.40 0.02 0.00 98.94 Average: 1 0.64 0.00 0.35 0.15 0.00 98.85 Average: 2 1.05 0.00 0.35 0.56 0.00 98.04 Average: 3 0.61 0.00 0.39 0.02 0.00 98.97