IBM solidDB Archived Reviews (More than two years old)

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

What is most valuable?

Memory cache DB and carrier grade high availability, best fit to Telco demands.

How has it helped 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.

What needs improvement?

Data replication and data distribution between multiple nodes definitely have room for improvement here.

What's my experience with pricing, setup cost, and licensing?

Since we use solidDB as an OEM product for Telco purposes, the licensing model is adapted to Telco's needs.

Which solution did I use previously and why did I switch?

As I already said before, we had our own in-house developed DB and it takes a lot of effort to develop and maintenance it. Our focus was not to develop databases, so we… more»

What other advice do I have?

If you need local DB cache with extreme speed, then go for it, if you need something to work as a distributed cloud database, then solidDB would not be the right decision… more»

Which other solutions did I evaluate?

Years ago, we also tried different solutions (Oracle's TimesTen, Open Source PostgreSQL, and IBM Informix), but none of them came even close to solidDB's speed.

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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IBM solidDB customers


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