Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Franc Carter
reporting data access patterns. Paolo Inviata dal mio Windows Phone -- Da: Mike Trienis mike.trie...@orcsol.com Inviato: ‎11/‎02/‎2015 05:59 A: user@spark.apache.org Oggetto: Datastore HDFS vs Cassandra Hi, I am considering implement Apache Spark on top

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Franc Carter
franc.car...@rozettatech.com Datum: Mittwoch, 11. Februar 2015 10:03 An: Paolo Platter paolo.plat...@agilelab.it Cc: Mike Trienis mike.trie...@orcsol.com, user@spark.apache.org user@spark.apache.org Betreff: Re: Datastore HDFS vs Cassandra One additional comment I would make is that you should

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Christian Betz
@spark.apache.orgmailto:user@spark.apache.org Betreff: Re: Datastore HDFS vs Cassandra One additional comment I would make is that you should be careful with Updates in Cassandra, it does support them but large amounts of Updates (i.e changing existing keys) tends to cause fragmentation. If you are (mostly) adding new

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Mike Trienis
. Februar 2015 10:03 An: Paolo Platter paolo.plat...@agilelab.it Cc: Mike Trienis mike.trie...@orcsol.com, user@spark.apache.org user@spark.apache.org Betreff: Re: Datastore HDFS vs Cassandra One additional comment I would make is that you should be careful with Updates in Cassandra, it does

R: Datastore HDFS vs Cassandra

2015-02-10 Thread Paolo Platter
Trienismailto:mike.trie...@orcsol.com Inviato: ‎11/‎02/‎2015 05:59 A: user@spark.apache.orgmailto:user@spark.apache.org Oggetto: Datastore HDFS vs Cassandra Hi, I am considering implement Apache Spark on top of Cassandra database after listing to related talk and reading through the slides from