Design Pattern - Tag Cloud / Inverted Index

2009-12-27 Thread August Zajonc
Just getting up to speed with Cassandra and the terminology and concepts. Lots of fun. Apologies for a beginner question. Focusing on how the data will be used is very helpful in coming up with a model. I have a question about a design pattern I expect is relatively common. It's the tag pattern

Re: Design Pattern - Tag Cloud / Inverted Index

2009-12-27 Thread Jeff Zhang
I think this is a typical paradigm that's suit for many-to-many relationship Jeff Zhang On Sun, Dec 27, 2009 at 12:52 AM, August Zajonc augu...@augustz.com wrote: Just getting up to speed with Cassandra and the terminology and concepts. Lots of fun. Apologies for a beginner question.

Re: Design Pattern - Tag Cloud / Inverted Index

2009-12-27 Thread Mark Robson
2009/12/27 August Zajonc augu...@augustz.com Looking at the data model a simple solution is two column families, one containing items as the row-key with tags as columns, and a second with tags as the row-key with items as columns. This gives me fast access at the cost of 2x the writes

Re: bug when node down-up??

2009-12-27 Thread Ramzi Rabah
I believe this is the same problem as https://issues.apache.org/jira/browse/CASSANDRA-651 On Sun, Dec 27, 2009 at 7:38 AM, mail.list.steel.men...@gmail.com wrote: HI,guys: I probably found a bug, it’s seemed on-line cluster can’t resistant rebooting of single node, although it suppose to

Re: Design Pattern - Tag Cloud / Inverted Index

2009-12-27 Thread August Zajonc
On Sun, Dec 27, 2009 at 11:38 AM, Mark Robson mar...@gmail.com wrote: 2009/12/27 August Zajonc augu...@augustz.com Looking at the data model a simple solution is two column families, one containing items as the row-key with tags as columns, and a second with tags as the row-key with items as

RE: bug when node down-up??

2009-12-27 Thread mail.list.steel.mental
Yes, it's seems IS the same problem, does it's has no any fix yet? -END-- -Original Message- From: Ramzi Rabah [mailto:rra...@playdom.com] Sent: Monday, December 28, 2009 12:43 AM To: cassandra-user@incubator.apache.org Subject: Re: bug when node down-up?? I believe

Re: bug when node down-up??

2009-12-27 Thread Jonathan Ellis
you can click follow on the jira issue to be notified of changes in its status On Sun, Dec 27, 2009 at 8:15 PM, mail.list.steel.men...@gmail.com wrote: Yes, it's seems IS the same problem, does it's has no any fix yet? -END-- -Original Message- From: Ramzi Rabah