Re: The Difference Between Cassandra and HBase

2010-04-26 Thread Masood Mortazavi
On Sat, Apr 24, 2010 at 10:20 AM, dir dir wrote: > In general what is the difference between Cassandra and HBase?? > > Thanks. > Others have already said it ... Cassandra has a peer architecture, with all peers being essentially equivalent (minus the concept of a "seed,"

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Joseph Stein
ld >> >> -Original Message- >> From: Joe Stump >> Date: Sun, 25 Apr 2010 13:04:50 >> To: >> Subject: Re: The Difference Between Cassandra and HBase >> >> >> On Apr 25, 2010, at 11:40 AM, Mark Robson wrote: >> >>> For me an i

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Joe Stump
On Apr 25, 2010, at 5:18 PM, Eric Hauser wrote: > Out of curiosity, are you planning on copying the data you store in > HBase/Hive into separate Hadoop cluster in a different data center or backing > up HDFS in some other manner? Redundancy isn't an issue within the cluster; > it's more a con

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Jeff Hodges
wireless handheld > > -Original Message- > From: Joe Stump > Date: Sun, 25 Apr 2010 13:04:50 > To: > Subject: Re: The Difference Between Cassandra and HBase > > > On Apr 25, 2010, at 11:40 AM, Mark Robson wrote: > >> For me an important difference is that Cas

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Eric Hauser
Out of curiosity, are you planning on copying the data you store in HBase/Hive into separate Hadoop cluster in a different data center or backing up HDFS in some other manner? Redundancy isn't an issue within the cluster; it's more a concern of storing all your HDFS data in one physical location.

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Lenin Gali
I second Joe. Lenin Sent from my BlackBerry® wireless handheld -Original Message- From: Joe Stump Date: Sun, 25 Apr 2010 13:04:50 To: Subject: Re: The Difference Between Cassandra and HBase On Apr 25, 2010, at 11:40 AM, Mark Robson wrote: > For me an important difference is t

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Joe Stump
On Apr 25, 2010, at 11:40 AM, Mark Robson wrote: > For me an important difference is that Cassandra is operationally much more > straightforward - there is only one type of node, and it is fully redundant > (depending what consistency level you're using). > > This seems to be an advantage in C

Re: The Difference Between Cassandra and HBase

2010-04-25 Thread Mark Robson
For me an important difference is that Cassandra is operationally much more straightforward - there is only one type of node, and it is fully redundant (depending what consistency level you're using). This seems to be an advantage in Cassandra vs most other distributed storage systems, which almos

Re: The Difference Between Cassandra and HBase

2010-04-24 Thread Jonathan Ellis
On Sat, Apr 24, 2010 at 9:29 PM, dir dir wrote: > I have already read Jonathan Ellis's Blog today > (http://spyced.blogspot.com/2009/03/why-i-like-cassandra.html) > > in this blog, Jonathan tried to explain the difference between Cassandra and > Hbase. > But I have several

Re: The Difference Between Cassandra and HBase

2010-04-24 Thread dir dir
Hi Paul, I have already read Jonathan Ellis's Blog today (http://spyced.blogspot.com/2009/03/why-i-like-cassandra.html) in this blog, Jonathan tried to explain the difference between Cassandra and Hbase. But I have several questions. In this blog Jonathan said: 1. Hbase Follows the big

Re: The Difference Between Cassandra and HBase

2010-04-24 Thread Erik Holstad
I would say that HBase is a little bit more focused on reads and Cassandra on writes. HBase has better scans and Cassandra better multi datacenter functionality. Erik

Re: The Difference Between Cassandra and HBase

2010-04-24 Thread Paul Prescod
http://ria101.wordpress.com/2010/02/24/hbase-vs-cassandra-why-we-moved/ http://spyced.blogspot.com/2009/03/why-i-like-cassandra.html On Sat, Apr 24, 2010 at 10:20 AM, dir dir wrote: > In general what is the difference between Cassandra and HBase?? > > Thanks. >

The Difference Between Cassandra and HBase

2010-04-24 Thread dir dir
In general what is the difference between Cassandra and HBase?? Thanks.