When comparing Apache Cassandra vs ConcourseDB, the Slant community recommends Apache Cassandra for most people. In the question“What are the best NoSQL Distributed Databases?” Apache Cassandra is ranked 3rd while ConcourseDB is ranked 4th. The most important reason people chose Apache Cassandra is:
Once setup database is set up, it becomes highly available without any downtime.
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Pros
Pro Highly available cluster
Once setup database is set up, it becomes highly available without any downtime.
Pro Highly scalable
Cassandra is very scalable and achieves the highest throughput for the maximum number of nodes compared to other alternatives. Unfortunately this also brings rather high write and read latencies.
Pro Familiar to developers used to SQL
The query language that Cassandra uses (CQL) is similar to SQL even though it's a NoSQL database.
Pro Rapid writing and lightning-fast reading
After measuring the read/write performance values on one server, you can simply calculate how many more servers you should add to the cluster to reach the required performance levels, and scale easily.
Pro Built-in version control
Concourse tracks versions of your data by default. This way you can easily edit data without being afraid of losing anything since Concourse can easily revert to a previous state.
Pro Fully ACID compliant
ConcourseDB is known to have a very holistic approach to robustness and data integrity which is reflected by it being fully ACID compliant.
ConcourseDB has always been strict about making sure data is valid before allowing it into the database, and there is no way for a client to bypass those checks.
Pro Can easily query data from any point in the past
Because of its powerful version control capabilities, Concourse can easily and painlessly query and get data from any point in the past.
Cons
Con No JOINS
Cassandra has no support for JOINS.
Con Not very popular
Since ConcourseDB is not a very popular solution among developers, it may be hard to find libraries or SDKs to easily integrate it into any platform with which you are developing.