Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Mike Trienis
t;> Happy hacking >> >> Chris >> >> Von: Franc Carter >> Datum: Mittwoch, 11. Februar 2015 10:03 >> An: Paolo Platter >> Cc: Mike Trienis , "user@spark.apache.org" < >> user@spark.apache.org> >> Betreff: Re: Datastore HDFS v

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Franc Carter
> > Happy hacking > > Chris > > Von: Franc Carter > Datum: Mittwoch, 11. Februar 2015 10:03 > An: Paolo Platter > Cc: Mike Trienis , "user@spark.apache.org" < > user@spark.apache.org> > Betreff: Re: Datastore HDFS vs Cassandra > > > One a

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Christian Betz
:franc.car...@rozettatech.com>> Datum: Mittwoch, 11. Februar 2015 10:03 An: Paolo Platter mailto:paolo.plat...@agilelab.it>> Cc: Mike Trienis mailto:mike.trie...@orcsol.com>>, "user@spark.apache.org<mailto:user@spark.apache.org>" mailto:user@spark.apache.org>> Betreff

Re: Datastore HDFS vs Cassandra

2015-02-11 Thread Franc Carter
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 keys (e.g new records in the the time series) then Cassandra can b