Fedora Users — FC2: vsftpd poor multiple file transfer performance

FC2: vsftpd poor multiple file transfer performance

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To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

Subject: FC2: vsftpd poor multiple file transfer performance

From: Rainer Traut <rainer.traut@xxxxxxxx>

Date: Fri, 04 Jun 2004 13:22:45 +0200

Reply-to: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

User-agent: Mozilla Thunderbird 0.6 (Windows/20040502)

Hi,
there seems to be a problem here with vsftpd
in LAN with concurrent file tranfers from my FC2 (all updates applied) box.

I try to download two iso images at the same time from FC2 to a windows box.
When dling only one image at the same time, speed is ok, around 10MB/s.
But when doing two transfers parallel, I get 2MB/s.

Both PCs can handle the speed easyly, one is an athlon XP2000, one XP1400, 1GB Ram each.

My assumption (I see harddisk light on FC2 always on): Network/cabling is alright, because single dl is ok. Maybe the FC2 pc seems to readahead too much so it cannot keep up with the upload rate? Any ideas?

Thanks
Rainer