Re: General questions about Cassandra

2012-02-19 Thread Alessio Cecchi
Il 18.02.2012 09:51 francesco.tangari@gmail.com ha scritto: i suppose that he should buy http://shop.oreilly.com/product/0636920010852.do , to get an idea of what cassandra can and what can't. that's my personal thinking. I'have just bought this book:

Re: General questions about Cassandra

2012-02-19 Thread francesco . tangari . inf
considering your question: My question is, can also Cassandra split a query over the cluster like MapReduce? and knowing the answer... as said Don Smith i suppose you are at first chapter of the book :) -- francesco.tangari@gmail.com Inviato con Sparrow

Re: General questions about Cassandra

2012-02-19 Thread Alessio Cecchi
Il 19/02/2012 14:51, francesco.tangari@gmail.com ha scritto: considering your question: My question is, can also Cassandra split a query over the cluster like MapReduce? and knowing the answer... as said Don Smith i suppose you are at first chapter of the book :) Yes, it is true, before

Re: General questions about Cassandra

2012-02-18 Thread francesco . tangari . inf
Solandra uses such an integration. Don From: Alessio Cecchi [ales...@skye.it (mailto:ales...@skye.it)] Sent: Friday, February 17, 2012 4:42 AM To: user@cassandra.apache.org (mailto:user@cassandra.apache.org) Subject: General questions

General questions about Cassandra

2012-02-17 Thread Alessio Cecchi
Hi, we have developed a software that store logs from mail servers in MySQL, but for huge enviroments we are developing a version that store this data in HBase. Raw logs are, once a day, first normalized, so the output is like this: username,date of login, IP Address, protocol username,date

RE: General questions about Cassandra

2012-02-17 Thread Don Smith
From: Alessio Cecchi [ales...@skye.it] Sent: Friday, February 17, 2012 4:42 AM To: user@cassandra.apache.org Subject: General questions about Cassandra Hi, we have developed a software that store logs from mail servers in MySQL, but for huge enviroments we are developing a version

Re: General questions about Cassandra

2012-02-17 Thread Chris Gerken
to selected rows in parallel on the distributed Cassandra JVMs. I believe Solandra uses such an integration. Don From: Alessio Cecchi [ales...@skye.it] Sent: Friday, February 17, 2012 4:42 AM To: user@cassandra.apache.org Subject: General questions

Re: General questions about Cassandra

2012-02-17 Thread Jeremy Hanna
MapReduce and Hadoop generally are pluggable so you can do queries over HDFS, over HBase, or over Cassandra. Cassandra has good Hadoop support as outlined here: http://wiki.apache.org/cassandra/HadoopSupport. If you're looking for a simpler solution, there is DataStax's enterprise product

Re: General questions about Cassandra

2012-02-17 Thread Chris Gerken
: General questions about Cassandra Hi, we have developed a software that store logs from mail servers in MySQL, but for huge enviroments we are developing a version that store this data in HBase. Raw logs are, once a day, first normalized, so the output is like this: username,date of login