Database, Data Engineering, Data Analytics, Open Source.
using HDD, it is recommended to have throughput >150MB/s, IOPS >500. Recommended: CPU to volumes ratio should not exceed 4. That’s to say, if there is 16vCPU, the number of volumes should not exceed 4. Recommended: Homogenous cluster (same machine specs to avoid bottlenecks). CN Nodes (shared data)