Cassandra Reviews

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SrManage9ce2
Real User
Sr Manager, Engineering, Reporting & Analytics, Big data at a tech company with 1,001-5,000 employees
May 16 2017

What is most valuable?

I really appreciate the high availability, automated replication, linear scalability, and automated region fail-over.

How has it helped my organization?

We've used Apache Cassandra for solutions that we sell to our customers. It's used as our cloud based backend store as... more»

What needs improvement?

Out-of-the-box monitoring, troubleshooting, and maintenance are involved. There are several utilities/interfaces... more»

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

We use the open source version, so it's free. Costing needs to take into account home grown maintenance and support, as... more»

Which other solutions did I evaluate??

This is a new cloud based enterprise product, so there weren't previous solutions.

What other advice do I have??

If you plan to use the open source version, make sure you hire a Cassandra expert or train yourself in the internals of... more»
PrincipalSWEng532
Real User
Principal Software Engineer at a tech company with 10,001+ employees
Oct 10 2016

What is most valuable?

* Log-structured storage * CQL (Cassandra Structure Language) * Ease of installation * The node setup

How has it helped my organization?

This product is used as the storage facility for a very-high-throughput application, where a lot of NoSQL data is being... more»

What needs improvement?

The clustering needs to be better; it is getting there.

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

Pricing and licensing depends on what you are doing: If you are using it for major production work, I recommend that... more»

Which other solutions did I evaluate??

The other solutions that I have used have been the SQL engines but for this project, Cassandra was determined to be the... more»

What other advice do I have??

Learn how many nodes you are going to need and set up the right level of replication.

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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.

Which other solutions did I evaluate??

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?

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. • Valuable Features: 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. • Room for Improvement: Maybe they can improve their performance in data fetching from a high volume of data sets.  • Use of Solution: One to three years. • Other Solutions...

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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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