SFTP:/ is Slow in KDE 4 (openSUSE 11.2)

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http://forums.opensuse.org – While testing new gigabit-switch, I noticed that file transfer through KIO sftp:/ is much slower in KDE 4 (.3.4) in my system compared to KDE 3. I use openSUSE 11.2 What is strange, the problem is seen, when getting files from remote system. When you put files to remote system through sftp:/, the difference does not exist (or is much smaller). For example, when I copy 800 MB file from remote system via sftp:/ in my LAN (1 Gbit Ethernet Switch)... with Konqueror 4 I get 2.3 - 2.7 MB/s with Konqueror 3 I get 10 - 12.4 MB/s As you see with Konqueror 3 I would get file 4 times faster (1 minute versus 5 minutes). This affects at least Konqueror 4, Dolphin and Krusader/KDE4 (2.0). Konqueror 3 and Krusader/KDE3 (1.90) are working fine. That is why I think that it is KDE 4 KIO sftp:/ problem. I am considering bug report, but I want to make sure that it is not just my system. You can help me if you do the following: Download file (which is not too small - at least 200 - 300 MB) through sftp:/ with Konqueror 3 (or Krusader 1.90: kde3-krusader package from this repository Index of /repositories/KDE:/KDE3/openSUSE_11.2) Do the same in Konqueror 4 (or Krusader 2.0) Post back here: download speed in Konqueror 3 (Krusader 1.90) download speed in Konqueror 4 (Krusader 2.0) Nominal speed of your LAN (e.g. 100Mbit or 1Gbit) kdebase4-runtime package version (my is 4.3.4-1.3-i585 from Index of /repositories/KDE:/43/openSUSE_11.2 ) Thank you for your attention. (Distributions)