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iis ftp
group:How does IIS handle upload file
iis ftp:
file on our FTP server? What happens when I update an existing file that other people are already started downloading? Does their connection get reset or does IIS handle existing downloads to complete before the old file is deleted from the server. We are updating files many times every day but don’t want to interrupt active download. Is there any possibility to configure how IIS should handle this? System: Windows server 2003 SP1 IIS 6.0
Cached in memory for the download duration in general.
I believe this because I once deleted a 20 some meg zip file while I was downloading it from the web server where I deleted it from. (Deleted from the file system on the server.) The download came just fine. (Luckily for me, I had already "cleaned up" the unzipped version and would have had a problem had I not gotten the file.) So, I think once the request is made the data is cached into memory off disk and sent. The next HTTP request though should cause a read off the disk again (for the new version or a 404 depending on what you are doing). Depending on the size and the specific settings for IIS though, you might run into issues, especially if the files are really large. If these are images and HTML and so on, you might have people caching stuff if they had been there earlier in the day. [quoted text, click to view] "Thomas" <Thomas@discussions.microsoft.com> wrote in message news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... > Anyone who knows how IIS handle active connections when I update an > existing > file on our FTP server? > > What happens when I update an existing file that other people are already > started downloading? Does their connection get reset or does IIS handle > existing downloads to complete before the old file is deleted from the > server. > We are updating files many times every day but don't want to interrupt > active download. > > Is there any possibility to configure how IIS should handle this? > > System: > Windows server 2003 SP1 > IIS 6.0 >
If there are reading/downloading during delete or update, don't think you
can delete or update it. -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Thomas" <Thomas@discussions.microsoft.com> wrote in message news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... > Anyone who knows how IIS handle active connections when I update an > existing > file on our FTP server? > > What happens when I update an existing file that other people are already > started downloading? Does their connection get reset or does IIS handle > existing downloads to complete before the old file is deleted from the > server. > We are updating files many times every day but don’t want to interrupt > active download. > > Is there any possibility to configure how IIS should handle this? > > System: > Windows server 2003 SP1 > IIS 6.0 >
I have done some testing in order to get some answer on how IIS handle FTP.
You are right about the downloading part. I can't delete a file that is being downloaded in another session. But if I try to update the file, my active download connection is aborted and the file gets updated. Server: Windows 2003 IIS6 Client: Total Commander How does you handle this issue out there? Our customers is downloading 24 x 7. [quoted text, click to view] "Bernard Cheah [MVP]" wrote:
> If there are reading/downloading during delete or update, don't think you > can delete or update it. > > -- > Regards, > Bernard Cheah > http://www.iis.net/ > http://www.iis-resources.com/ > http://msmvps.com/blogs/bernard/ > > > "Thomas" <Thomas@discussions.microsoft.com> wrote in message > news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... > > Anyone who knows how IIS handle active connections when I update an > > existing > > file on our FTP server? > > > > What happens when I update an existing file that other people are already > > started downloading? Does their connection get reset or does IIS handle > > existing downloads to complete before the old file is deleted from the > > server. > > We are updating files many times every day but don’t want to interrupt > > active download. > > > > Is there any possibility to configure how IIS should handle this? > > > > System: > > Windows server 2003 SP1 > > IIS 6.0 > > > >
Mmm.. not sure how you can handle this.
In the past, sometime I have to stop IIS FTP servies to overwrite files -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Thomas" <Thomas@discussions.microsoft.com> wrote in message news:648F883A-D3D5-4327-9B77-DA516718085B@microsoft.com... >I have done some testing in order to get some answer on how IIS handle FTP. > > You are right about the downloading part. I can't delete a file that is > being downloaded in another session. But if I try to update the file, my > active download connection is aborted and the file gets updated. > > Server: Windows 2003 IIS6 > Client: Total Commander > > How does you handle this issue out there? Our customers is downloading 24 > x 7. > > "Bernard Cheah [MVP]" wrote: > >> If there are reading/downloading during delete or update, don't think you >> can delete or update it. >> >> -- >> Regards, >> Bernard Cheah >> http://www.iis.net/ >> http://www.iis-resources.com/ >> http://msmvps.com/blogs/bernard/ >> >> >> "Thomas" <Thomas@discussions.microsoft.com> wrote in message >> news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... >> > Anyone who knows how IIS handle active connections when I update an >> > existing >> > file on our FTP server? >> > >> > What happens when I update an existing file that other people are >> > already >> > started downloading? Does their connection get reset or does IIS handle >> > existing downloads to complete before the old file is deleted from the >> > server. >> > We are updating files many times every day but don’t want to interrupt >> > active download. >> > >> > Is there any possibility to configure how IIS should handle this? >> > >> > System: >> > Windows server 2003 SP1 >> > IIS 6.0 >> > >> >> >>
Well I guess I forgot an importent information.
It is only the update/delete that is done by the ftp protocol. The download session is actually done by the http protocol, but the problem is the same. How does I update files without disconnecting active download sessions. [quoted text, click to view] "Bernard Cheah [MVP]" wrote:
> Mmm.. not sure how you can handle this. > In the past, sometime I have to stop IIS FTP servies to overwrite files > > -- > Regards, > Bernard Cheah > http://www.iis.net/ > http://www.iis-resources.com/ > http://msmvps.com/blogs/bernard/ > > > "Thomas" <Thomas@discussions.microsoft.com> wrote in message > news:648F883A-D3D5-4327-9B77-DA516718085B@microsoft.com... > >I have done some testing in order to get some answer on how IIS handle FTP. > > > > You are right about the downloading part. I can't delete a file that is > > being downloaded in another session. But if I try to update the file, my > > active download connection is aborted and the file gets updated. > > > > Server: Windows 2003 IIS6 > > Client: Total Commander > > > > How does you handle this issue out there? Our customers is downloading 24 > > x 7. > > > > "Bernard Cheah [MVP]" wrote: > > > >> If there are reading/downloading during delete or update, don't think you > >> can delete or update it. > >> > >> -- > >> Regards, > >> Bernard Cheah > >> http://www.iis.net/ > >> http://www.iis-resources.com/ > >> http://msmvps.com/blogs/bernard/ > >> > >> > >> "Thomas" <Thomas@discussions.microsoft.com> wrote in message > >> news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... > >> > Anyone who knows how IIS handle active connections when I update an > >> > existing > >> > file on our FTP server? > >> > > >> > What happens when I update an existing file that other people are > >> > already > >> > started downloading? Does their connection get reset or does IIS handle > >> > existing downloads to complete before the old file is deleted from the > >> > server. > >> > We are updating files many times every day but don’t want to interrupt > >> > active download. > >> > > >> > Is there any possibility to configure how IIS should handle this? > >> > > >> > System: > >> > Windows server 2003 SP1 > >> > IIS 6.0 > >> > > >> > >> > >> > >
Well, is the same thing that if you are opening a file in Windows Explorer,
how can you overwrite the file? it is the matter of file exclusive access. not just ftp. -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Thomas" <Thomas@discussions.microsoft.com> wrote in message news:BF049E46-6D25-4305-80C6-421934B6B46E@microsoft.com... > Well I guess I forgot an importent information. > > It is only the update/delete that is done by the ftp protocol. > The download session is actually done by the http protocol, but the > problem > is the same. How does I update files without disconnecting active download > sessions. > > > "Bernard Cheah [MVP]" wrote: > >> Mmm.. not sure how you can handle this. >> In the past, sometime I have to stop IIS FTP servies to overwrite files >> >> -- >> Regards, >> Bernard Cheah >> http://www.iis.net/ >> http://www.iis-resources.com/ >> http://msmvps.com/blogs/bernard/ >> >> >> "Thomas" <Thomas@discussions.microsoft.com> wrote in message >> news:648F883A-D3D5-4327-9B77-DA516718085B@microsoft.com... >> >I have done some testing in order to get some answer on how IIS handle >> >FTP. >> > >> > You are right about the downloading part. I can't delete a file that is >> > being downloaded in another session. But if I try to update the file, >> > my >> > active download connection is aborted and the file gets updated. >> > >> > Server: Windows 2003 IIS6 >> > Client: Total Commander >> > >> > How does you handle this issue out there? Our customers is downloading >> > 24 >> > x 7. >> > >> > "Bernard Cheah [MVP]" wrote: >> > >> >> If there are reading/downloading during delete or update, don't think >> >> you >> >> can delete or update it. >> >> >> >> -- >> >> Regards, >> >> Bernard Cheah >> >> http://www.iis.net/ >> >> http://www.iis-resources.com/ >> >> http://msmvps.com/blogs/bernard/ >> >> >> >> >> >> "Thomas" <Thomas@discussions.microsoft.com> wrote in message >> >> news:F28B9C41-92B0-4B76-86CD-BAE476938C59@microsoft.com... >> >> > Anyone who knows how IIS handle active connections when I update an >> >> > existing >> >> > file on our FTP server? >> >> > >> >> > What happens when I update an existing file that other people are >> >> > already >> >> > started downloading? Does their connection get reset or does IIS >> >> > handle >> >> > existing downloads to complete before the old file is deleted from >> >> > the >> >> > server. >> >> > We are updating files many times every day but don’t want to >> >> > interrupt >> >> > active download. >> >> > >> >> > Is there any possibility to configure how IIS should handle this? >> >> > >> >> > System: >> >> > Windows server 2003 SP1 >> >> > IIS 6.0 >> >> > >> >> >> >> >> >> >> >> >>
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