---> uname -a: Linux be020ce971a0 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 616 108 0 1112 1115 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) 07/31/20 _x86_64_ (4 CPU) 23:20:32 LINUX RESTART 23:21:02 tps rtps wtps bread/s bwrtn/s 23:22:01 68.33 22.60 45.73 5818.86 4910.78 23:23:01 1.67 0.00 1.67 0.00 34.29 23:24:01 0.22 0.00 0.22 0.00 3.16 Average: 23.16 7.45 15.71 1918.62 1631.76 23:21:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:22:01 158072 1723484 91.60 2620 1190952 1110468 37.90 408248 1153996 120 23:23:01 163744 1717812 91.30 2620 1190960 1071052 36.55 404184 1153140 20 23:24:01 162356 1719200 91.37 2620 1190968 1071336 36.56 405600 1153136 8 Average: 161391 1720165 91.42 2620 1190960 1084285 37.00 406011 1153424 49 23:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:22:01 eth0 517.66 314.32 1055.13 102.33 0.00 0.00 0.00 23:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 docker0 4.50 3.78 0.85 9.41 0.00 0.00 0.00 23:23:01 eth0 0.72 0.08 0.06 0.02 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 eth0 3.25 1.98 2.33 0.28 0.00 0.00 0.00 23:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 172.01 104.33 348.70 33.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.48 1.24 0.28 3.10 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) 07/31/20 _x86_64_ (4 CPU) 23:20:32 LINUX RESTART 23:21:02 CPU %user %nice %system %iowait %steal %idle 23:22:01 all 12.80 0.00 3.93 2.28 0.02 80.97 23:22:01 0 12.28 0.00 4.54 0.53 0.02 82.64 23:22:01 1 11.79 0.00 3.72 3.72 0.03 80.74 23:22:01 2 12.74 0.00 3.68 2.15 0.02 81.42 23:22:01 3 14.40 0.00 3.79 2.75 0.02 79.06 23:23:01 all 0.14 0.00 0.04 0.00 0.00 99.83 23:23:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:23:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:23:01 2 0.05 0.00 0.02 0.00 0.00 99.93 23:23:01 3 0.38 0.00 0.07 0.00 0.00 99.55 23:24:01 all 0.17 0.00 0.03 0.00 0.00 99.79 23:24:01 0 0.00 0.00 0.03 0.00 0.00 99.97 23:24:01 1 0.08 0.00 0.07 0.00 0.00 99.85 23:24:01 2 0.28 0.00 0.02 0.00 0.00 99.70 23:24:01 3 0.32 0.00 0.03 0.00 0.00 99.65 Average: all 4.31 0.00 1.31 0.75 0.01 93.62 Average: 0 4.04 0.00 1.51 0.17 0.01 94.27 Average: 1 3.93 0.00 1.25 1.22 0.01 93.59 Average: 2 4.30 0.00 1.22 0.70 0.01 93.77 Average: 3 4.96 0.00 1.28 0.90 0.01 92.85