IBM solidDB Reviews

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Senior System Engineer at a comms service provider with 1,001-5,000 employees
Aug 23 2017

What do you think of IBM solidDB?

Valuable Features Memory cache DB and carrier grade high availability, best fit to Telco demands. • Improvements to My Organization Before we had our own in-house developed DB, now we can focus on our solutions and take a real-time DB as good as a working black box. • Room for Improvement Data replication and data distribution between multiple nodes definitely have room for improvement here. • Use of Solution 15 years. • Stability Issues The core solidDB product is very stable, which is hard to say for the data replication part. • Scalability Issues SolidDB is at the moment only scalable on two nodes and is very stable. • Customer Service and Technical Support Tech support is on a really high level. It is nice to work with those guys. • Previous...


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What is IBM solidDB?

IBM solidDB is a relational database server that combines the high performance of in-memory tables with the nearly unlimited capacity of disk-based tables.

Pure in-memory databases are fast, but strictly limited by the size of memory. Pure disk-based databases allow nearly unlimited amounts of storage, but their performance is dominated by disk access. Even if the computer has enough memory to store the entire database in memory buffers, database servers that are designed for disk-based tables can be slow because the data structures that are optimal for disk-based tables are far from being optimal for in-memory tables. The solidDB solution is to provide a single hybrid database server that contains two optimized engines inside it:

  • The main-memory engine (MME) is optimized for in-memory access.
  • The disk-based engine (DBE) is optimized for disk-based access.

Both engines coexist inside the same server process, and a single SQL statement can access data from both engines.

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