having absolutely no experience doing any of the things your app is doing, my first thought is… try a compression format that lets you break things up into multiple files, e.g. rar. or try split(1). if it works for < 4gb, keeping it < 4gb seems like an easy "first try" solution.
-n On May 11, 2013, at 3:28 PM, Chris McCann <[email protected]> wrote: > I've built a Rails app that retrieves zip files from a remote server and > processes them (loads the CSV files contained therein into a MySQL > database). > > The file retrieval is done using Ruby's Net::SFTP module running in the > background via DelayedJob. It works well, unless the zip file is over 4GB, > in which case it quits pretty much exactly after transferring 4GB of data. > There are no errors whatsoever in the log -- I just see that the file > download was started and never finished. > > The file is actually 8.5GB, and downloading it manually with sftp in the > terminal works just fine. > > I've searched the interwebs for any information about his problem without > any success. The only clue I have is that trying to unzip the files using > rubyzip also failed for large zip files because rubyzip doesn't handle the > Zip64 format, which any zip file over 4GB has. I'm wondering if rubyzip > has a similar 32-bit limit in the size of a file it can handle. Nothing in > the Net::SFTP docs say anything about 32-bit limitations. Thoughts? > > If anyone has a clue, I'm all ears. I'm not sure if it's a ruby problem, a > Rails problem, or perhaps a problem on the other end in which the FTP > client disconnects after 4GB has been transferred. Odd, to say the least. > > Thanks, > > Chris > > -- > -- > SD Ruby mailing list > [email protected] > http://groups.google.com/group/sdruby > --- > You received this message because you are subscribed to the Google Groups "SD > Ruby" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- SD Ruby mailing list [email protected] http://groups.google.com/group/sdruby --- You received this message because you are subscribed to the Google Groups "SD Ruby" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
