Very slow FTP upload speed

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Very slow FTP upload speed

Postby marigo » Tue May 31, 2011 9:10 pm

I have done some testing with the upload speed of my ds211j via FTP. It turns out that the upload speed is very slow when I am upload to the Internet or downloading from the Internet via FTP.

At home on my local network the speed is fine. But when the FTP traffic has to transit the WAN then the speed stuck on 1,5MB/sec. When I leave my pc on and run a FTP server on it then the speed is good. I have a 50/50Mbs connection to the Internet and speedtests conforms that my connection is ok.

Anyone with the same issues or a solution for this problem?

I have no limits configured for FTP speed.

If anyone can help....
Last edited by marigo on Thu Jun 02, 2011 6:42 am, edited 1 time in total.
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Re: Very slow FTP upload speed

Postby klen » Wed Jun 01, 2011 10:57 am

What is the download speed of the Synology using http?
Perhaps you can log in and use the wget program to retrieve some bigfile to test.

Likewise, you can use ftp on the synology to test a download or an upload.
DS-412+
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Re: Very slow FTP upload speed

Postby marigo » Fri Jun 10, 2011 8:36 pm

klen wrote:What is the download speed of the Synology using http?
Perhaps you can log in and use the wget program to retrieve some bigfile to test.

Likewise, you can use ftp on the synology to test a download or an upload.


Well, no matter what I do or which protocol I use to transfer files from the Synology it is going slow and it stops at 12Mbps.

If I do a little test and transfer a file from my PC to a external FTP server is going at 47Mbps. When I do the same from my Synology to the FTP server it stucks at 12Mbps.
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Re: Very slow FTP upload speed

Postby lupine » Thu Dec 01, 2011 3:53 pm

Iam experiencing the same issues with a DS410J. FTP download for users are limited too 1.5MB/sec even though iam on a 90/90 fiber connection and theres no problem utilizing the speed on other ftp services on my network.

I have not observered any problems regarding cpu utilization or memory utilization when users are connected to the synology FTP.

Seems like a hidden switch that is enabled by synology. Anybody found a solution?
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Re: Very slow FTP upload speed

Postby albino71 » Wed Dec 07, 2011 8:58 pm

The same experience here with a Syno 211 running the latest DSM.
Tried everything, FTP, VPN, nothing works.

It's the reason why me, my father in law, my parents and my brother are not buying one yet. We want to share and backup each others family pics and vids, but with an upload of 1mbps it's a no go.

Is there any way this could be escalated to an important issue?
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Re: Very slow FTP upload speed

Postby skinlab » Fri Jan 20, 2012 7:18 am

I have the same problem on a DS212j. FTP file transfers are capped at 1.5MB/s on a 22/5 line.
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Re: Very slow FTP upload speed

Postby leho » Tue May 14, 2013 11:34 am

I have just installed a RS212 with the latest DSM. (4.2-3211)

I have exactly the same problem with slow upload on that, but it seems as the problem occurs when uploading from a Win XP client, an d not when uploading from a Win 7 client.

Before I had a FileZilla FTP server, and on that there was no problems.
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Re: Very slow FTP upload speed

Postby Tomaz » Mon Jul 22, 2013 7:50 am

Hi,

I am having the same issue with my DS3612xs. I get a max of 10 MB/s.

What am I doing wrong ?

The DS installed as a SHR (I think this happend automatically at installation).

Anyone found a solution yet ?

Also I have 36 TB on harddrives in the DS but only 29 TB remain (7 TB for DSM and other ??)

Thanks for any help.

Kind Regards
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