serverside javascript - server side Mongodb GridFS file copying -

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per business requirements need provide possibility copy content of file on gridfs. of course can done on domain-specific layer. in case can see overhead:

  • take stream mongo-server
  • allocate memory on business-layer
  • read
  • place mongo-server

obvious solution write mongo-side javascript perform copying in bound of single server. questions:

  • where description of api manage gridfs on javascript?
  • is there issues if gridfs sharded?
  • is there issues if gridfs replicated?

thank in advance

you never need copy gridfs file within single server, because gridfs files immutable: can create, read, or delete them, not modify them. there's no reason make copy.

copying 1 server should done via driver; there's no built-in support copying directly mongodb server another.


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