Re: Indexes and hard disk

2011-02-14 Thread Javier Canillas
h space > and divides equally among all the nodes. The tokens (keys) are then > distributed equally accross N replica nodes. > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Indexes-and-hard-disk-tp6018234p6019297.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com. >

Re: Indexes and hard disk

2011-02-12 Thread Filip Nguyen
On 12.2.2011 16:15, Bill de hÓra wrote: (under the hood, a 0.7 index is a 'private' CF). Thanks for answer, that sounds very clever and neat!

Re: Indexes and hard disk

2011-02-12 Thread mcasandra
(keys) are then distributed equally accross N replica nodes. -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Indexes-and-hard-disk-tp6018234p6019297.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

Re: Indexes and hard disk

2011-02-12 Thread Dave Revell
Indexes have another important advantage over multiple denormalized column families. If you make the copies yourself, eventually the copies will diverge from the base "true" column family due to routine occasional failures. You'll probably want to find and fix these inconsistencies. If you're usin

Re: Indexes and hard disk

2011-02-12 Thread Bill de hÓra
On Sat, 2011-02-12 at 14:03 +0100, Filip Nguyen wrote: > Why the secondary indexes are even present in Cassandra? I thought the > point is that development in Cassandra is query driven, that when you > want to search and fetch for example by birth date you should create > new ColumnFamilly...

Re: Indexes and hard disk

2011-02-12 Thread Javier Canillas
ormation about > it. > > Are there any kind of hard disk in particular recommended by Cassandra? We > generally get only 500GB hard disks on our virtual machines. But I read that > it's better to have 2TB HDD. > -- > View this message in context: > http://cassandra-u

Re: Indexes and hard disk

2011-02-12 Thread Filip Nguyen
On 12.2.2011 13:56, Bill de hÓra wrote: On Fri, 2011-02-11 at 23:24 -0800, mcasandra wrote: Are indexes supported in Cassandra? If yes then what kind? Also, if it's supported then please point me to the place that give more information about it. Secondary Indexes:

Re: Indexes and hard disk

2011-02-12 Thread Bill de hÓra
On Fri, 2011-02-11 at 23:24 -0800, mcasandra wrote: > Are indexes supported in Cassandra? If yes then what kind? Also, if it's > supported then please point me to the place that give more information about > it. Secondary Indexes:

Indexes and hard disk

2011-02-11 Thread mcasandra
But I read that it's better to have 2TB HDD. -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Indexes-and-hard-disk-tp6018234p6018234.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.