> Also, Cassandra is great for writes but not as optimized for reads. 

From cassandra 1.0 read throughout on a par with writes 
http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-performance

You milage may vary depending on the workload. 

Cheers
 
-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 20/09/2012, at 3:08 AM, Michael Kjellman <mkjell...@barracuda.com> wrote:

> If I were you I would look into ElasticSearch unless you are okay updating 
> the search cache very infrequently.
> 
> I tried Solandra vs ElasticSearch in our use case and there was no contest.
> 
> Also, Cassandra is great for writes but not as optimized for reads. Honestly, 
> it all depends on your use case and what brand of Lucine depends on it.
> 
> I would benchmark it and see what sticks.
> 
> On Sep 19, 2012, at 5:28 AM, "Roshni Rajagopal" 
> <roshni_rajago...@hotmail.com<mailto:roshni_rajago...@hotmail.com>> wrote:
> 
> Hi,
> 
> Im new to Solr, and I hear that Solr is a great tool for improving search 
> performance
> Im unsure whether Solr or DSE Search is a must for all cassandra deployments
> 
> 1. For performance - I thought cassandra had great read & write performance. 
> When should solr be used ?
> Taking the following use cases for cassandra from the datastax FAQ page, in 
> which cases would Solr be useful, and whether for all?
> 
> *   Time series data management
> *   High-velocity device data ingestion and analysis
> *   Media streaming (e.g., music, movies)
> *   Social media input and analysis
> *   Online web retail (e.g., shopping carts, user transactions)
> *   Web log management / analysis
> *   Web click-stream analysis
> *   Real-time data analytics
> *   Online gaming (e.g., real-time messaging)
> *   Write-intensive transaction systems
> *   Buyer event analytics
> *   Risk analysis and management
> 
> 2. what changes to cassandra data modeling does Solr bring? We have some 
> guidelines & best practices around cassandra data modeling.
> Is Solr so powerful, that it does not matter how data is modelled in 
> cassandra? Are there different best practices for cassandra data modeling 
> when Solr is in the picture?
> Is this something we should keep in mind while modeling for cassandra today- 
> that it should be  good to be used via Solr in future?
> 
> 3. Does Solr come with any drawbacks like its not real time ?
> 
> I can & should read the manual, but it will be great if someone can explain 
> at a high level.
> 
> Thank you!
> 
> 
> Regards,
> Roshni
> 
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