Compare Cassandra vs. MongoDB

Cassandra is ranked 3rd in NoSQL Databases with 1 review while MongoDB is ranked 2nd in NoSQL Databases with 4 reviews. Cassandra is rated 8.0, while MongoDB is rated 8.0. The top reviewer of Cassandra writes "Can achieve continuous data without a single downtime because of node to node ring architecture". On the other hand, the top reviewer of MongoDB writes "Scales well and is easy to replicate but needs more stable indexes". Cassandra is most compared with InfluxDB, Cloudera Distribution for Hadoop and Couchbase, whereas MongoDB is most compared with InfluxDB, Scylla and Oracle NoSQL.
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Cassandra Logo
5,396 views|4,312 comparisons
MongoDB Logo
4,158 views|3,457 comparisons
Most Helpful Review
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Quotes From Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros
Can achieve continuous data without a single downtime because of node to node ring architecture.I am getting much better performance than relational databases.

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It's easy to add and remove things in MongoDB. You can alter the tables. MongoDB is faster at reading, slower at writings.We haven't had any issues with stability.Scalability seems good. I've never been even close to finding the limits. I've run a couple of notes of redundancy but I've never had any problems with scalability.Easier to maintain the data with its document-based storage.The installation is very stable.

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

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The transaction could use improvement. From MySQL, for example, you cannot create a transaction if you are reading and writing a document at the same time.We find it difficult to incorporate MongoDB in some projects.More stable indexes would be helpful in a future release. That's been an issue for some time. I don't know if it's been fixed now but we transitioned to it because we needed a search index to be able to search for things and if that goes or starts disappearing, we have to move away from that solution. I don't know if they fixed it, last time I had this issue was three years ago so they might have solved it.The improvements could be made to intelligence to detect disk storage and prevent MongoDB from crashing.

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Ranking
3rd
out of 14 in NoSQL Databases
Views
5,396
Comparisons
4,312
Reviews
1
Average Words per Review
164
Avg. Rating
8.0
2nd
out of 14 in NoSQL Databases
Views
4,158
Comparisons
3,457
Reviews
4
Average Words per Review
491
Avg. Rating
8.0
Top Comparisons
Compared 15% of the time.
Compared 11% of the time.
Compared 15% of the time.
Compared 15% of the time.
Compared 11% of the time.
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Apache
MongoDB
Overview
A scalable multi-master database with no single points of failure. Scalability & high availability without compromising performance.Open source database alternative to relational databases. It simplifies development and is extremely scalable.
Offer
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Sample Customers
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Facebook, MetLife, City of Chicago, Expedia, eBay, Google
Top Industries
VISITORS READING REVIEWS
Software R&D Company36%
Comms Service Provider18%
University10%
Media Company6%
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