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Cassandra

Score9 out of 10

95 Reviews and Ratings

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What is Cassandra?

Cassandra is a no-SQL database from Apache.

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Who Buys & Uses Apache Cassandra

Cassandra Reviews

What users are saying about Cassandra.
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review of cassandra

Incentivized
Anson AbrahamView profile
Data Lord in Engineering at PlaceIQ (51-200 employees employees)

Pros

  • Masterless
  • Schema-less
  • Multiple datacenter usage w/ little or no data loss

Cons

  • Rebuild/repair of objects (tables) in the keyspaces, allow to ignore keyspaces to repair.
  • Monitoring tool form opscenter support for Cassandra 3.x (or some other open source tool)
  • UI browser type to view data (rather than csql)

Alternatives Considered

HBASE and MongoDB

Other Software Used

Aerospike Database, MongoDB, Redis, Couchbase Server

One of the Best NoSQL Databases!

Incentivized
Priti Asai / ThakkarView profile
Lead Software Engineer in Engineering at macys.com (1001-5000 employees employees)

Pros

  • Continuous data availability is extremely powerful feature of Cassandra.
  • Overall cost effective and low maintenance database platform.
  • High performance and low tolerance no SQL database.

Cons

  • Moving data from and to Cassandra to any relational database platform can be improved.
  • Database event logging can be handled more efficiently.

Return on Investment

  • Cost effective
  • Lower administration effort
  • Continuous data availability

Alternatives Considered

MongoDB

Other Software Used

SQL Server Integration Services, Teradata Database, ZappySys

Cassandra at scale

Incentivized
Glen KimView profile
Senior Software Engineer in Information Technology at USAA (10,001+ employees employees)

Pros

  • Availability
  • Fast performance
  • Horizontal scalability
  • Memory first
  • Partition based

Cons

  • Dealing with tombstone
  • Maintenance/upgrade
  • Compaction and repair

Return on Investment

  • High availability, which makes us use the tool
  • Partition key distribution mechanism is well defined
  • Horizontal scalability when needed for high volume days
  • Complex tombstone management

Other Software Used

Couchbase Data Platform, Azure SQL Database

Usability

Pretty good software

Incentivized
Feng CaiView profile
DB2 UDB DBA in Information Technology at CVS Caremark (10,001+ employees employees)

Pros

  • Runs on commodity hardware
  • Build in fault tolerance
  • Can grow horizontally

Cons

  • It is a bit difficult for people that come from the SQL world.
  • Managing anti-entropy repair is still a bit of a challenge.
  • Better security patches.

Return on Investment

  • Nothing beats free
  • People need to be retrained
  • Support model is a bit different

Cassandra - a tunable NoSQL datastore

Incentivized
Dhruba Jyoti NagView profile
Associate in Information Technology at Cognizant (10,001+ employees employees)

Pros

  • Write speed. Cassandra is very fast while writing data due to its unique architecture.
  • Tunable consistency - During data replication, consistency can be tuned for a particular data set to be available during an outage.
  • CQL - cassandra query language is a subset of SQL and eases the transition from a more traditional database.

Cons

  • Aggregation functions are not very efficient.
  • Ad-hoc queries do not perform well. Queries which were visualized while designing the databases only perform well.
  • Performance is unpredictable.

Return on Investment

  • Low learning curve
  • Scalable with high performance
  • highly fault tolerant during outage

Other Software Used

Apache Kafka