---> uname -a: Linux 9b0dc3470df3 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-265 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-265@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 639 112 0 1085 1093 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) 08/13/20 _x86_64_ (4 CPU) 07:02:27 LINUX RESTART 07:03:01 tps rtps wtps bread/s bwrtn/s 07:04:01 66.46 19.09 47.36 5262.39 4917.33 07:05:01 1.67 0.00 1.67 0.00 33.02 07:06:01 0.28 0.00 0.28 0.00 3.88 07:07:01 0.25 0.00 0.25 0.00 2.70 07:08:01 40.04 39.50 0.53 3904.91 12.57 Average: 21.74 11.72 10.02 1833.95 994.16 07:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:04:01 170360 1711196 90.95 2620 1155132 1111608 37.94 428844 1121200 120 07:05:01 171140 1710416 90.90 2620 1155136 1111508 37.93 429220 1120316 12 07:06:01 175204 1706352 90.69 2620 1155144 1073356 36.63 427676 1119016 8 07:07:01 172996 1708560 90.81 2620 1155144 1073404 36.63 430020 1118632 8 07:08:01 94624 1786932 94.97 2620 1227660 1074964 36.69 422484 1200336 48 Average: 156865 1724691 91.66 2620 1169643 1088968 37.16 427649 1135900 39 07:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:04:01 eth0 475.63 289.13 1034.99 102.13 0.00 0.00 0.00 07:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 docker0 4.26 3.13 0.85 9.74 0.00 0.00 0.00 07:05:01 eth0 2.56 1.00 2.27 0.23 0.00 0.00 0.00 07:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 eth0 1.07 0.38 0.34 0.24 0.00 0.00 0.00 07:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 eth0 0.52 0.30 0.27 0.14 0.00 0.00 0.00 07:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 eth0 7.59 4.68 7.89 2.69 0.00 0.00 0.00 07:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 97.50 59.11 209.21 21.09 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.63 0.17 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) 08/13/20 _x86_64_ (4 CPU) 07:02:27 LINUX RESTART 07:03:01 CPU %user %nice %system %iowait %steal %idle 07:04:01 all 12.16 0.00 3.11 2.30 0.01 82.43 07:04:01 0 11.46 0.00 4.40 6.88 0.00 77.27 07:04:01 1 12.39 0.00 2.96 0.15 0.00 84.49 07:04:01 2 11.78 0.00 2.90 1.47 0.00 83.85 07:04:01 3 13.01 0.00 2.13 0.69 0.02 84.16 07:05:01 all 0.18 0.00 0.04 0.00 0.00 99.78 07:05:01 0 0.05 0.00 0.03 0.00 0.00 99.92 07:05:01 1 0.07 0.00 0.05 0.00 0.00 99.88 07:05:01 2 0.53 0.00 0.03 0.00 0.00 99.43 07:05:01 3 0.07 0.00 0.03 0.00 0.00 99.90 07:06:01 all 0.27 0.00 0.03 0.00 0.00 99.70 07:06:01 0 0.45 0.00 0.03 0.00 0.00 99.52 07:06:01 1 0.05 0.00 0.03 0.00 0.00 99.92 07:06:01 2 0.52 0.00 0.02 0.00 0.00 99.47 07:06:01 3 0.07 0.00 0.03 0.00 0.00 99.90 07:07:01 all 0.16 0.00 0.02 0.00 0.00 99.82 07:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:07:01 1 0.03 0.00 0.03 0.00 0.00 99.93 07:07:01 2 0.53 0.00 0.02 0.00 0.00 99.45 07:07:01 3 0.05 0.00 0.05 0.00 0.00 99.90 07:08:01 all 0.92 0.00 0.28 1.03 0.00 97.77 07:08:01 0 1.47 0.00 0.30 0.57 0.00 97.67 07:08:01 1 0.58 0.00 0.32 1.77 0.00 97.33 07:08:01 2 1.37 0.00 0.37 1.78 0.02 96.47 07:08:01 3 0.25 0.00 0.13 0.00 0.00 99.62 Average: all 2.73 0.00 0.69 0.66 0.00 95.91 Average: 0 2.68 0.00 0.95 1.48 0.00 94.88 Average: 1 2.62 0.00 0.68 0.38 0.00 96.32 Average: 2 2.94 0.00 0.66 0.65 0.00 95.75 Average: 3 2.68 0.00 0.47 0.14 0.00 96.71