FTP perfomance < 2MB


 
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Operating Systems Solaris FTP perfomance < 2MB
# 1  
Old 08-11-2014
Sun FTP perfomance < 2MB

Hi,

I am transferring files to a Solaris 10 installation on Sun Fire 480.

I find that when transferring large files > 1G via FTP, the performance is < 2GB. I am using FileZilla and the network is 100Mbit.
I am currently transferring 2 files concurrently & there are only having a bandwidth of 400+KiB/s each.

I do not have the same issue when transferring to other linux based servers (Intel x86-84).

Any ideas how I can improve the performance?

Thanks,
Raymond
# 2  
Old 08-11-2014
I've had a similar problem in Linux (proftpd), by default there is a setting in FTP server config that limits the speed.
# 3  
Old 08-11-2014
Hi orange47,

Do you remember what's the setting?

Thanks,
Raymond
# 4  
Old 08-11-2014
um, for proftpd should be this: ProFTPd Server - Wiki

what daemon are you using?
# 5  
Old 08-11-2014
Quote:
I am transferring files to a Solaris 10 installation on Sun Fire 480.
from what?
# 6  
Old 08-11-2014
We've had trouble with what was termed a packet shaper I think. It's basically something that has rules to ensure everyone gets a fair deal on the network, but it means large transfers take longer. There may be more to this than simply my two servers do thing a bit oddly.

There is always a reason, but finding it may take a long time.



Robin
# 7  
Old 08-11-2014
What are your TCP settings on the Solaris server? As root, run this from a sh/bash shell:

Code:
for parm in `ndd /dev/tcp \? | awk '{ print $1 }'`; do
    echo -n $parm": "
    ndd /dev/tcp $parm
done

and

Code:
for dev in /dev/net/*; do
    for parm in `ndd $dev \? | awk '{ print $1 }' | grep -v '?'`; do
        echo -n $dev: $parm:" "
        ndd $dev $parm
    done
done

Also, what's the output from "ifconfig -a"?
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