Cassandra Reviews

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Sendil S
Real User
Java Architect at a tech vendor with 51-200 employees
Sep 06 2017

What is most valuable?

* Simple ring architecture * Replication using peer-to-peer protocol rather than leader selection * Linear scalability (99%) * Configurable consistency

How has it helped my organization?

Ability to achieve write speeds 10k tps: Compared to existing, it is 300% percent higher.

What needs improvement?

Row-level locking is not available; might be very helpful in update use cases.

If you previously used a different solution, which one did you use and why did you switch?

The earlier solution used Couchbase, which has leader selection. At times, when leader selection takes time, then we would lose the transactions. This got resolved with the… more»
Ravi Gangwar
Consultant
Database Developer at a tech services company with 10,001+ employees
Jan 18 2018

What do you think of Cassandra?

What is our primary use case?

I designed a product catalog data model in Cassandra according to their features and properties, loading millions of data and performing the required queries over it.  Now, I am getting much better performance than relational databases.

What is most valuable?

Here are some features which have been really helpful in my organisation: High Avaialability No downtime Better performance Greater scalability. HA is one of the great features of Cassandra with no downtime, e.g., you can achieve continuous data without a single downtime because of node to node ring architecture.

What needs improvement?

Maybe they can improve their performance in data fetching from a high volume of data sets. 

For how long have I used the solution?

One to three years. …

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What is Cassandra?

A scalable multi-master database with no single points of failure. Scalability & high availability without compromising performance.

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