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I maded a simple java server program that send files to client.

The program works fine but when i load a very big file (1 GB) it takes 2 or 3 minutes for this line of code:

byte[] data = Files.readAllBytes(path);

Is there a wat to bypass this or make it faster (maybe by using a library)?

Thank's!

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  • 4
    Why do you load it all into memory? Why don't you stream it? Commented Aug 11, 2014 at 6:24
  • more to the point, why not just wiki.nginx.org/XSendfile ? Commented Aug 11, 2014 at 6:25
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    @markspace this method already uses nio. Commented Aug 11, 2014 at 6:30
  • 1
    What makes you think it can be done faster? And why do it at all? Any file can be processed a piece at a time, even XML. Commented Aug 11, 2014 at 6:39
  • 1
    ...and, in many cases, loading the big file in chunks means that you can start processing the data while waiting for more to be delivered. Commented Aug 11, 2014 at 7:50
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