---> uname -a: Linux 763765db9e0f 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-250@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-250 ---> free -m: total used free shared buff/cache available Mem: 1837 633 116 0 1086 1097 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) 07/06/20 _x86_64_ (4 CPU) 21:36:04 LINUX RESTART 21:37:02 tps rtps wtps bread/s bwrtn/s 21:38:01 7.89 1.47 6.42 46.33 173.03 21:39:01 0.63 0.00 0.63 0.00 15.09 21:40:01 0.35 0.00 0.35 0.00 3.95 21:41:02 0.25 0.00 0.25 0.00 3.36 Average: 2.26 0.36 1.89 11.44 48.35 21:37:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:38:01 168384 1713172 91.05 2620 1153892 1116044 38.09 402512 1149624 20 21:39:01 174968 1706588 90.70 2620 1153896 1069936 36.51 401300 1145116 12 21:40:01 174108 1707448 90.75 2620 1153904 1070204 36.52 402576 1145116 16 21:41:02 173816 1707740 90.76 2620 1153904 1070084 36.52 406864 1141328 16 Average: 172819 1708737 90.82 2620 1153899 1081567 36.91 403313 1145296 16 21:37:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:38:01 eth0 17.05 12.65 9.73 25.54 0.00 0.00 0.00 21:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:38:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 21:39:01 eth0 1.00 0.08 0.11 0.01 0.00 0.00 0.00 21:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 eth0 0.92 0.68 0.53 0.40 0.00 0.00 0.00 21:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:41:02 eth0 0.22 0.13 0.12 0.04 0.00 0.00 0.00 21:41:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:41:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.75 3.35 2.59 6.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 07/06/20 _x86_64_ (4 CPU) 21:36:04 LINUX RESTART 21:37:02 CPU %user %nice %system %iowait %steal %idle 21:38:01 all 0.62 0.00 0.17 0.14 0.00 99.08 21:38:01 0 0.56 0.00 0.17 0.49 0.00 98.78 21:38:01 1 1.14 0.00 0.07 0.05 0.00 98.75 21:38:01 2 0.34 0.00 0.24 0.00 0.00 99.42 21:38:01 3 0.44 0.00 0.17 0.00 0.00 99.39 21:39:01 all 0.05 0.00 0.03 0.00 0.00 99.92 21:39:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:39:01 1 0.13 0.00 0.07 0.00 0.00 99.80 21:39:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:40:01 all 0.17 0.00 0.03 0.00 0.00 99.80 21:40:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:40:01 1 0.55 0.00 0.02 0.00 0.00 99.43 21:40:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:40:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:41:02 all 0.15 0.00 0.03 0.00 0.00 99.82 21:41:02 0 0.03 0.00 0.03 0.00 0.00 99.93 21:41:02 1 0.52 0.00 0.03 0.00 0.00 99.45 21:41:02 2 0.03 0.00 0.02 0.00 0.00 99.95 21:41:02 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.24 0.00 0.07 0.03 0.00 99.65 Average: 0 0.17 0.00 0.07 0.12 0.00 99.64 Average: 1 0.58 0.00 0.05 0.01 0.00 99.36 Average: 2 0.10 0.00 0.08 0.00 0.00 99.82 Average: 3 0.13 0.00 0.07 0.00 0.00 99.80