![]() ![]() How do these two play together, I found that having the internal as half of the socket seemed best, but are there other configuration I should try?ĭo the buffer sizes need to be in squares of 8 (32768, 65536, 131072 etc) or can I go with other numbers in between?ģb. If I don't trust the ISP, and believe there's shaping on my line, how can I prove that?įileZilla has an "Internal buffer" that's capped at 6 digits, and a "Socket buffer" that can go higher. which mostly all say "Buffer size, buffer size, buffer size" But surely I should get better than 7Mb/s I looked at a lot of questions like this:įilezilla FTP slow upload (350KBps) on 1 Gbits fiber? and But that's still only a fraction of what I should be able to get. After some forum discussions on Beta Archive regarding this (I looked into things after a user complained about slow speeds), a user told me that he uses IIS FTP Server with no such speed issues. So I did some transfers at different speeds and seemed to find a nice sweet spot where I can get up to almost 7Mb/s. I can't play with the buffer size of the client (I am asking the developers, but I haven't seen a way) - but I can adjust the buffer size in File Zilla. The client on our side is a special 3rd party app that monitors the server for new orders, when they are complete, downloads them and deletes the files from the server. ![]() The FTP server is on a windows VPS running Filezilla. And that there's no hard and fast recipe for the buffer sizes. I learned that "long fat pipes" need nice big buffers to ensure that things can flow smoothly. I've never heard of this kind of limitation before. He said it's just how FTP is, the higher the latency, the lower the speed. So after a visit from a techie who said he'd seen this same problem at another client and showed that pretty much any international FTP site he tried to download from exhibited similar speed issues. To one server in particular, we were getting only 1Mb/s.Īfter they assured us that they were in no way shape or form throttling the transfers. We've recently gotten new internet - 100Mb/s fibre - and have been complaining bitterly to our new ISP about transfer speeds to some FTP servers in the USA (300ms away).
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