---> uname -a: Linux da7ee75cc328 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@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279 ---> free -m: total used free shared buff/cache available Mem: 1837 666 133 0 1038 1064 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) 09/07/20 _x86_64_ (4 CPU) 13:36:44 LINUX RESTART (4 CPU) 13:38:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:39:01 3.20 0.02 3.18 0.00 0.53 110.69 0.00 13:40:01 0.40 0.00 0.40 0.00 0.00 5.30 0.00 13:41:01 0.27 0.00 0.27 0.00 0.00 3.78 0.00 13:42:01 0.25 0.00 0.25 0.00 0.00 2.56 0.00 Average: 1.03 0.00 1.02 0.00 0.13 30.59 0.00 13:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:39:01 164044 0 583464 31.01 2620 1131428 1071188 36.56 418088 1139960 32 13:40:01 163956 0 583604 31.02 2620 1131376 1071188 36.56 418212 1139664 8 13:41:01 161968 0 585584 31.12 2620 1131384 1071432 36.57 421116 1139132 8 13:42:01 162864 0 584688 31.07 2620 1131384 1071252 36.56 427256 1132000 8 Average: 163208 0 584335 31.06 2620 1131393 1071265 36.56 421168 1137689 14 13:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:39:01 eth0 0.35 0.12 0.02 0.05 0.00 0.00 0.00 0.00 13:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 eth0 1.02 0.08 0.10 0.01 0.00 0.00 0.00 0.00 13:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:41:01 eth0 1.18 1.08 0.87 0.43 0.00 0.00 0.00 0.00 13:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 13:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.66 0.34 0.25 0.12 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 0.00 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) 09/07/20 _x86_64_ (4 CPU) 13:36:44 LINUX RESTART (4 CPU) 13:38:01 CPU %user %nice %system %iowait %steal %idle 13:39:01 all 0.16 0.00 0.05 0.00 0.00 99.78 13:39:01 0 0.02 0.00 0.05 0.00 0.00 99.93 13:39:01 1 0.12 0.00 0.05 0.00 0.00 99.83 13:39:01 2 0.05 0.00 0.07 0.00 0.00 99.88 13:39:01 3 0.47 0.00 0.05 0.00 0.00 99.48 13:40:01 all 0.15 0.00 0.03 0.00 0.00 99.82 13:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 13:40:01 1 0.45 0.00 0.02 0.00 0.00 99.53 13:40:01 2 0.07 0.00 0.05 0.00 0.00 99.88 13:40:01 3 0.07 0.00 0.02 0.00 0.00 99.92 13:41:01 all 0.16 0.00 0.04 0.00 0.00 99.80 13:41:01 0 0.05 0.00 0.05 0.00 0.02 99.88 13:41:01 1 0.48 0.00 0.05 0.00 0.00 99.47 13:41:01 2 0.05 0.00 0.03 0.00 0.00 99.92 13:41:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:42:01 all 0.12 0.00 0.04 0.00 0.00 99.84 13:42:01 0 0.03 0.00 0.07 0.00 0.00 99.90 13:42:01 1 0.40 0.00 0.05 0.00 0.00 99.55 13:42:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:42:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.15 0.00 0.04 0.00 0.00 99.81 Average: 0 0.03 0.00 0.05 0.00 0.00 99.91 Average: 1 0.36 0.00 0.04 0.00 0.00 99.60 Average: 2 0.05 0.00 0.04 0.00 0.00 99.91 Average: 3 0.15 0.00 0.03 0.00 0.00 99.81