sql server - How to store lots of user uploaded files in Asp.net in load balanced hosting -

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i'm building asp.net site users can upload files user account , download them whenever logged in. files typically less 5mb , users can download files have uploaded (i.e can't download else's file). there around 100k users , each potentially upload around 2 or 3 files. live site load balanced

i'm thinking storing these files in central db (sql server) blob nice because...

  • as site load balanced, each node can access file central db. no need worry having shared folder store files

  • i can more ensure user's download own files.

  • backing db automatically includes file blobs

only downside i've read performance, how bad can be?

if store these files in file system, there problem storing in 1 folder?

what best approach this?

if want fast, store data filesystem. in case dont need read amount of data sql server. in case 2 things:

1st approach: store files in 1 single folder (ntfs limit: 4,294,967,295, fat limit: 268,435,437)

2nd approach: create each user (userid) separate subfolder. prefer on 1st approach.

with newer versions of sql server can use filestream.

it interesting knew

  • how many users have
  • how many uploads per day/hour/minute have
  • how many downloads per day/hour/minute have
  • how many uploads @ same time have
  • how many downloads @ same time have
  • what size of systems have
  • is internally used/externally - bandwidth/network load have etc.

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