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I have an application where I receive each data 40.000 rows. I have 5 million rows to handle (500 Mb MySQL 5.0 database).
Actually, those rows are stored in the same table => slow to update, hard to backup, etc.
Which kind of scheme is used in such application to allow long term accessibility to the data without problems with too big tables, easy backup, fast read/write ?
Is postgresql better than mysql for such purpose ?
1 – 40000 rows / day is not that big
2 – Partition your data against the insert date : you can easily delete old data this way.
3 – Don’t hesitate to go through a datamart step. (compute often asked metrics in intermediary tables)
FYI, I have used PostgreSQL with tables containing several GB of data without any problem (and without partitioning). INSERT/UPDATE time was constant