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MySQL blob performance
Posted by: Yotam Aner
Date: June 01, 2009 12:36PM

Hi all,
I have a question about blob performance that I can't seem to find answer to:
I'm dessinging a db whice will have the following fetare:
1. The db will store pdf files ~6mb per file.
2. ~20,000 files on db.
3. Each row in db have 5 keys + the pdf file.
4. Each file will be requested ~2 times.
5. After file is stored on db he won't be changed.
6. There's huge importance for permissions (i.e. one can only watch is files).
7. ~4,000 users.

Do any one have a performence comparison bettwen storing the files on file system vs storing the files as blob on db?

Thanks,
Yotam

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