convore.json/groups/tech/when-would-you-use-non-relational-db-like-mongo-and-when-dont/messages.json

[{"user_id": 22183, "stars": [{"date_created": 1300377659.106379, "user_id": 12689}, {"date_created": 1300385117.401108, "user_id": 506}], "topic_id": 13501, "date_created": 1300335064.1071069, "message": "these two may give you a bit more ideas: http://www.thoughtworks.com/articles/nosql-comparison and http://www.readwriteweb.com/hack/2011/02/the-big-list-of-nosql-use-case.php", "group_id": 97, "id": 371514}, {"user_id": 14243, "stars": [], "topic_id": 13501, "date_created": 1300334310.9475241, "message": "I'm trying to find an excuse to try mongo but nothing comes into mind", "group_id": 97, "id": 371402}, {"user_id": 14243, "stars": [], "topic_id": 13501, "date_created": 1300334514.6746099, "message": "I gues for me is hard to unlearn the idea of relations and think in other concept", "group_id": 97, "id": 371427}, {"user_id": 14243, "stars": [], "topic_id": 13501, "date_created": 1300334658.3452151, "message": "But hey @kneath thanks for the idea :)", "group_id": 97, "id": 371459}, {"user_id": 19, "stars": [], "topic_id": 13501, "date_created": 1300334398.2079401, "message": "There's nothing wrong with building something with a new technology just to learn it", "group_id": 97, "id": 371415}, {"user_id": 14243, "stars": [], "topic_id": 13501, "date_created": 1300334485.0413899, "message": "Yep I'm about to do that. But now I what to know what the ones that used it for a long time thinks", "group_id": 97, "id": 371420}, {"user_id": 22183, "stars": [], "topic_id": 13501, "date_created": 1300335038.2861891, "message": "Depends on the use cases, NoSQL works the same if not better than RDBMS.  However, there are many cases where you would have to use RDBMS.  e.g. depends on what env you are in, what prog lang and ver you are allow to use, what you are trying to build...  many factors.", "group_id": 97, "id": 371509}, {"user_id": 19, "stars": [], "topic_id": 13501, "date_created": 1300334435.972647, "message": "Take a small project, use mongo or something, learn it and you'll understand the tech better and have a good feel for what kind of projects it might be suited for", "group_id": 97, "id": 371417}, {"user_id": 19, "stars": [], "topic_id": 13501, "date_created": 1300334737.711401, "message": "Yeah, I guess I know where you're coming from. But until you dive in, you can't try and unlearn that stuff", "group_id": 97, "id": 371468}, {"user_id": 1176, "stars": [{"date_created": 1300724623.828702, "user_id": 1176}], "topic_id": 13501, "date_created": 1300398255.0310359, "message": "Document-based is good if your data fields are volatile.  The data fields are stored \"in state\" with the associated data.  This is handy if you have an existing webform collecting data for months and you need to split a \"Name\" field into \"First Name\" \"Last Name\".  There's no need to maintain the \"Name\" field for existing data.", "group_id": 97, "id": 377899}, {"user_id": 22248, "stars": [], "topic_id": 13501, "date_created": 1300457942.073432, "message": "I use redis as a cache: I run a bunch of slow SQL queries, compile the data in a simple JSON dict, and store it in redis.  The app server then grabs it from there and sends it to the browser.  I use redis instead of memcached because I want the data present even if the server restarts.", "group_id": 97, "id": 382246}, {"user_id": 22248, "stars": [], "topic_id": 13501, "date_created": 1300457989.237262, "message": "I suppose I could store the JSON data in files on the disk, but redis will keep it in memory, and memory's a lot faster than disk, especially on a VPS.", "group_id": 97, "id": 382250}]