@Hanife Shaik I agree with @Constantin Stanca. This is an HBase use case. And yes HBase is created for transactional use cases and exactly for use cases where you will scale to 10's of TBs. 30 TB to begin with is large for traditional systems but sclaing makes it even more compelling on why you should go with HBase. Scaling Oracle, MySQL or any other traditional system will bring in traditional challenges or manual sharding and increase the complexity for operations team to manage. HBase on the other hand will provide you automatic sharding, automatic failover to new nodes and scaling by simply adding new nodes and easy online maintenance.
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