Oracle Coherence Review

Grid calculations decreased response times in B2B operations. It provides high availability, integrates with WebLogic and offers distributed calculation.

What is most valuable?

High availability, distributed calculation features, and WebLogic integration are the most valuable features to me.

How has it helped my organization?

It decreased response times in B2B operations thanks to the grid calculations.

What needs improvement?

IDEs support and hot deployment have room for improvement.

For how long have I used the solution?

I have used Oracle Coherence for four years.

What do I think about the stability of the solution?

I did not encounter any stability issues.

What do I think about the scalability of the solution?

The scalability issue I encountered was that it costs a lot!

How are customer service and technical support?

The technical support was excellent.

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

I did not use a different solution before Oracle Coherence. My company was using Memcached before I started working there, but I always used Coherence.

How was the initial setup?

Initial setup was complex because we integrated GAR files in EAR files. We were one of the first customers who were building the cluster, along with the business logic, and deploying everything together in a single operation. We got a complete step-by-step to cover our needs from the post-sales engineering team.

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

The product is the best, but it's absurdly expensive because licensing is according to the number of CPUs. The only advice I can give is to purchase specific hardware with a few CPUs that are as fast as possible, and with a lot of memory.

Which other solutions did I evaluate?

We evaluated Memcached, Redis, and Infinispan.

What other advice do I have?

Learn distributed computing first. It's not worth using only as a key-value cache. If interrupted business operations is an important consideration, think about deploying the grid along with an application in WebLogic instead of building a separate and independent cluster.

Which version of this solution are you currently using?

**Disclosure: I am a real user, and this review is based on my own experience and opinions.
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