Re: is upgradesstables required (or recommended) upon update column family ?

2012-07-28 Thread Radim Kolar
is upgradesstables required upon update column family with compression_options (or compaction_strategy) ? for compaction strategy no, not use about other one.

Re: is upgradesstables required (or recommended) upon update column family ?

2012-07-28 Thread Sylvain Lebresne
On Thu, Jul 26, 2012 at 6:00 PM, Илья Шипицин chipits...@gmail.com wrote: is upgradesstables required upon update column family with compression_options (or compaction_strategy) ? It is not required, no. If you change compression_options, the new settings will only apply to newly created

Re: Questions regarding DataStax AMI

2012-07-28 Thread Tamar Fraenkel
Thanks! This worked fine! *Tamar Fraenkel * Senior Software Engineer, TOK Media [image: Inline image 1] ta...@tok-media.com Tel: +972 2 6409736 Mob: +972 54 8356490 Fax: +972 2 5612956 On Sat, Jul 28, 2012 at 7:10 AM, Joaquin Casares joaq...@datastax.comwrote: Oh you're right, sorry

Re: Creating counter columns in cassandra

2012-07-28 Thread Amila Paranawithana
Thanks Tamar and all.. :) Since I want to do queries like SELECT * FROM counters WHERE CounterColumnName1; I want to index my counter columns, and I use the following code. But I get the following error Exception in thread main me.prettyprint.hector.api.exceptions.HInvalidRequestException:

Re: RF on per column family basis ?

2012-07-28 Thread Pierre-Yves Ritschard
On Sat, Jul 28, 2012 at 10:46 PM, Ertio Lew ertio...@gmail.com wrote: Is it possible to set Replication Factor on per column family basis so that I can avoid replicating large text data or other not-so-important data in CFs with low RF? I use hector API. Replication factor is keyspace bound,

Re: RF on per column family basis ?

2012-07-28 Thread Ertio Lew
I heard that it is* not highly recommended* to create more than a single keyspace for an application or on a single cluster !? Moreover I fail to understand that why Cassandra puts this limitation to set RF on keyspace when, I guess, it makes more sense to do this on per CF basis !?