[Swift-devel] testing replication

Mihael Hategan hategan at mcs.anl.gov
Thu May 22 11:12:58 CDT 2008


On Thu, 2008-05-22 at 11:10 -0500, Mihael Hategan wrote:
> See this: http://wiki.cogkit.org/index.php/V:Head/Schedulers#Weighted

Hmm. That doesn't seem to have been updated in a while. You can find a
more accurate version in the scheduler source, but here is a summary:

connectionRefusedFactor = -10;
connectionTimeoutFactor = -20;
jobSubmissionTaskLoadFactor = -0.2;
transferTaskLoadFactor = -0.2;
fileOperationTaskLoadFactor = -0.01;
successFactor = 0.1;
failureFactor = -0.5;
scoreHighCap = 100;
defaultJobThrottle = 2;

> 
> and then edit scheduler.xml in libexec. Let me know if you have
> problems.
> 
> Mihael
> 
> On Thu, 2008-05-22 at 10:44 -0500, lixi at uchicago.edu wrote:
> > Hi,
> > 
> > I have an idea. Could you provide a way to externally modify 
> > various job load factors which affect the score changing 
> > extent? Then I could test with them and might found more 
> > suitable values. Because during the past experiments, it 
> > seemed that some sites with bad performance could be still 
> > chosen with big probabilities. Of course, this is only my 
> > own opinion. I am not sure how hard to achieve it.
> > 
> > Thanks,
> > 
> > Xi




More information about the Swift-devel mailing list