I don't have control of the file format -- they're provided by a third-party contractor. The normal sftp process is able to download the files fine, so I'm suspecting it's a ruby limitation, and I really can't ask them to change the compression format for that.
On Sat, May 11, 2013 at 3:33 PM, Neal Clark <[email protected]>wrote: > 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 a topic in the > Google Groups "SD Ruby" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sdruby/4OhfZ4hklIA/unsubscribe?hl=en. > To unsubscribe from this group and all its topics, 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.
