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I am trying to build a commenting system for my site, commenting system is much similar to what we see on facebook, I am trying to figure out how facebook stores and retrieves comments so fast, anyone have any idea which technique they are using, views, stored procedures or something I am not aware of??
Thanks
They have completely customized their data structure…
Found these links from another user on here…
Here is what they said:
Facebook doesn’t use an RDBMS for their data management.
They use a non-relational technology called Map/Reduce, included in the Hadoop project. They built a project called Hive to query the data with an SQL-like language. They also built Cassandra, another high-scale, non-relational data management technology.
http://20bits.com/articles/data-management-facebook-style/
http://www.facebook.com/note.php?note_id=89508453919