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Thank you, Jack. This seems like a good solution. You are right that if I don't delete files from the filesystem right away when they are deleted from the database then backups would still be fine even if they are hot backups. I was considering using the primary id of the linked database row as the id of the file since I know it is unique. The idea of using the hash is a good one to so I will have to consider that. I am already computing a SHA-1 hash on each file. I did worry about hash collisions when I considered using the hash as the id but I guess that is probably a bit paranoid.

busyspin
– busyspin

2011-07-05 04:29:25 +00:00
Commented Jul 5, 2011 at 4:29

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