Why do we need Cassandra?

Why use Apache Cassandra – modernise your cloud Time-series data: Cassandra excels at storing time-series data, where old data does not need to be updated. Globally-distributed data: Geographically distributed data where a local Cassandra cluster can store data and then reach consistency at later points.

Should I learn MongoDB or Cassandra?

Conclusion: The decision between the two depends on how you will query. If it is mostly by the primary index, Cassandra will do the job. If you need a flexible model with efficient secondary indexes, MongoDB would be a better solution.

Is Cassandra hard to learn?

Cassandra isn’t too bad. You have to learn to build tables as if you were building around materialized views. The people making cassandra try to make it as easy as possible to learn. The hard part is designing how you want to distribute your data and what tables to build.

Why is Cassandra so popular?

Cassandra has become so popular because of its outstanding technical features. Given below are some of the features of Cassandra: Elastic scalability − Cassandra is highly scalable; it allows to add more hardware to accommodate more customers and more data as per requirement.

Do I need Cassandra?

It makes sense to use Cassandra when you have a huge amount of data, a huge number of queries but very little variety of queries. Cassandra basically works by partitioning and replicating. If all your queries will be based on the same partition key, Cassandra is your best bet.

What are the disadvantages of Cassandra?

Here are Cassandra’s downsides:

• It doesn’t support ACID and relational data properties.
• Because it handles large amounts of data and many requests, transactions slow down, meaning you get latency issues.
• Data is modeled around queries and not structure, resulting in the same information stored multiple times.

Is Cassandra a girl?

Cassandra, also spelt Kassandra, is a given name of Greek origin. It is the feminine form of Cassander. In Greek mythology, Cassandra was the daughter of King Priam and Queen Hecuba of Troy….Cassandra (name)

Can Cassandra lose data?

2 Answers. If a node crashed right before updating the commit log on disk, then yes, you could lose up to ten seconds of data.

Can Cassandra be romanced?

Romance with Cassandra in Dragon Age Inquisition Dragon Age: Inquisition Guide. Who may enter a love relationship with Cassandra? You can romance with Cassandra only if you play as a male, regardless of your race.