Hi Adrian,
Actually I would like to do
> xrdcp file:///dev/shm/some_10GiB_random_file.dat root://testserver:1024//dev/null
Regards,
Doug
-----Original Message-----
From: Adrian Sevcenco <[log in to unmask]>
Organization: CERN
Date: Monday, February 7, 2022 at 8:38 AM
To: Doug Benjamin <[log in to unmask]>, "[log in to unmask]" <[log in to unmask]>
Subject: Re: directing xrootd server traffic to /dev/null
On 07.02.2022 16:18, Doug Benjamin wrote:
> Hello,
Hi!
You could use something like this (this is an example from my history):
xrdcp -N -p -P -f -v 9cf8e515-5391-52eb-bf92-794de25160d0.meta4 - > /dev/null
HTH,
Adrian
> We want determine the transfer speeds of a few xrootd client machines (as data sources). Is there a configuration setting to allow xrootd server to write the file to /dev/null?
> I have done a trick of creating a symlink in the file system to /dev/null. This is a less than ideal solution. While the initial part of the transfer goes well eventually it slows down significantly.
> I see the delay comes with this command - 220207 09:17:01 6324 benjamin.230610:[log in to unmask] ofs_close: use=1 fn=/data/xrootd/null
>
> Since I will want to stress test the clients. I want to saturate their output using xrdcp (xrdcopy) any suggestions?
>
> Regards,
>
> Doug Benjamin
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