[Beowulf] from the "I don't remember if its possible" file ...
landman at scalableinformatics.com
Fri Mar 22 13:09:54 PDT 2013
On 03/22/2013 01:57 PM, Bernd Schubert wrote:
> On 03/22/2013 06:18 PM, Joe Landman wrote:
>> Hi folks:
>> We are working on something where we can't necessarily change source
>> code, but would like to alter the default open parameters of network
>> sockets (or a group of network sockets).
>> Is there any way to do this in general? Basically, we want to set
>> TCP_NODELAY on a set of applications sockets. Doesn't have to be in
>> general across the machine, and we could probably do this in a cgroup or
>> similar construct. I just don't remember if there is an easy way to do
>> this w/o source mods.
> Hmm, a very quick search if this has been done already (search
> options: "LD_PRELOAD setsockopt" reveals:
... and its Bernd for the win :) Thanks, just what the Doctor ordered.
Solves the problem the way we need.
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics, Inc.
email: landman at scalableinformatics.com
web : http://scalableinformatics.com
phone: +1 734 786 8423 x121
fax : +1 866 888 3112
cell : +1 734 612 4615
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