cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sandeep Kalidindi <deepu.kalidi...@gmail.com>
Subject Re: how does cassandra compare with mongodb?
Date Thu, 13 May 2010 17:43:12 GMT
Any idea about how far the 0.7 release is ??

Cheers,
Deepu.

On Thu, May 13, 2010 at 10:52 PM, Vijay <vijay2win@gmail.com> wrote:

> "Cassandra requires the schema to be defined before the database starts,
> MongoDB can have any schema at run-time just like a normal database."
>
> This is changing in 0.7
>
> Regards,
> </VJ>
>
>
>
>
> On Wed, May 12, 2010 at 7:25 PM, Jonathan Shook <jshook@gmail.com> wrote:
>
>> You can choose to have keys ordered by using an
>> OrderPreservingPartioner with the trade-off that key ranges can get
>> denser on certain nodes than others.
>>
>> On Wed, May 12, 2010 at 7:48 PM, philip andrew <philip142au@gmail.com>
>> wrote:
>> >
>> > Hi,
>> > From my understanding, Cassandra entities are indexed on only one key,
>> so
>> > this can be a problem if you are searching for example by two values
>> such as
>> > if you are storing an entity with a x,y then wish to search for entities
>> in
>> > a box ie x>5 and x<10 and y>5 and y<10. MongoDB can do this, Cassandra
>> > cannot due to only indexing on one key.
>> > Cassandra can scale automatically just by adding nodes, almost infinite
>> > storage easily, MongoDB requires database administration to add nodes,
>> > setting up replication or allowing sharding, but not too complex.
>> > MongoDB requires you to create sharded keys if you want to scale
>> > horizontally, Cassandra just works automatically for scale horizontally.
>> > Cassandra requires the schema to be defined before the database starts,
>> > MongoDB can have any schema at run-time just like a normal database.
>> > In the end I choose MongoDB as I require more indexes than Cassandra
>> > provides, although I really like Cassandras ability to store almost
>> infinite
>> > amount of data just by adding nodes.
>> > Thanks, Phil
>> >
>> > On Thu, May 13, 2010 at 5:57 AM, S Ahmed <sahmed1020@gmail.com> wrote:
>> >>
>> >> I tried searching mail-archive, but the search feature is a bit wacky
>> (or
>> >> more probably I don't know how to use it).
>> >> What are the key differences between Cassandra and Mongodb?
>> >> Is there a particular use case where each solution shines?
>> >
>>
>
>

Mime
View raw message