Re: Anyone using hadoop/MapReduce integration currently?

2010-05-27 Thread gabriele renzi
On Tue, May 25, 2010 at 6:35 PM, Jeremy Hanna jeremy.hanna1...@gmail.com wrote: What is the use case? we end up with messed up data in the database, we run a mapreduce job to find irregular data from time to time. Why are you using Cassandra versus using data stored in HDFS or HBase? as of

Re: Anyone using hadoop/MapReduce integration currently?

2010-05-27 Thread Jeremy Hanna
Is there anything holding you back from using it (if you would like to use it but currently cannot)? It would be nice if the output of the mapreduce job was a MutationOutputFormat in which we could write insert/delete, but I recall there is something on jira already albeit not sure if it

Re: Anyone using hadoop/MapReduce integration currently?

2010-05-26 Thread 朱蓝天
2010/5/26 Utku Can Topçu u...@topcu.gen.tr Hi Jeremy, Why are you using Cassandra versus using data stored in HDFS or HBase? - I'm thinking of using it for realtime streaming of user data. While streaming the requests, I'm also using Lucandra for indexing the data in realtime. It's a

Re: Anyone using hadoop/MapReduce integration currently?

2010-05-25 Thread Utku Can Topçu
Hi Jeremy, Why are you using Cassandra versus using data stored in HDFS or HBase? - I'm thinking of using it for realtime streaming of user data. While streaming the requests, I'm also using Lucandra for indexing the data in realtime. It's a better option when you compare it with HBase or the