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From Prem Yadav <>
Subject Cassandra use cases/Strengths/Weakness
Date Fri, 04 Jul 2014 14:37:57 GMT
I have seen this in a lot of replies that Cassandra is not designed for
this and that. I don't want to sound rude, i just need some info about this
so that i can compare it to technologies like hbase, mongo,
elasticsearch, solr,

1) what is Cassandra designed for. Heave writes yes. So is Hbase. Or
What is the use case(s) that suit Cassandra.

2) What kind of queries are best suited for Cassandra.
I ask this Because I have seen people asking about queries and getting
replies that its not suited for Cassandra. For ex: queries where large
number of rows are requested and timeout happens. Or range queries or
aggregate queries.

3) Where does Cassandra excel compared to other technologies?

I have been working on Casandra for some time. I know how it works and I
like it very much.
We are moving towards building a big cluster. But at this point, I am not
sure if its a right decision.

A lot of people including me like Cassandra in my company. But it has more
to do with the CQL and not the internals or the use cases. Until now, there
have been small PoCs and people enjoyed it. But a large scale project, we
are not so sure.

Please guide us.
Please note that the drawbacks of other technologies do not interest me,
its the strengths/weaknesses of Cassandra I am interested in.

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