[Swift-devel] too much slow down.

Mihael Hategan hategan at mcs.anl.gov
Tue Jul 15 11:44:47 CDT 2008


On Tue, 2008-07-15 at 11:14 -0500, skenny at uchicago.edu wrote:
> so, i get similar behavior when i try to run w/o a valid
> proxy...swift hangs. this is an error that, it seems to me,
> should return immediately regardless of whether you're running
> multi or single site (or whether you're willing to wait a week
> or not)...
> 
> i'm *guessing* this is what mihael means by "transient" vs
> "non-transient" errors (?)

You are guessing correctly.

> 
> ---- Original message ----
> >Date: Tue, 15 Jul 2008 16:02:24 +0000 (GMT)
> >From: Ben Clifford <benc at hawaga.org.uk>  
> >Subject: Re: [Swift-devel] too much slow down.  
> >To: Mihael Hategan <hategan at mcs.anl.gov>
> >Cc: Michael Andric <andric at uchicago.edu>,
> skenny at uchicago.edu, swift-devel at ci.uchicago.edu
> >
> >
> >On Tue, 15 Jul 2008, Mihael Hategan wrote:
> >
> >> We need to classify errors into transients and non-transients.
> >
> >...
> >
> >Any error is transient if you wait long enough... pretty much
> that's what 
> >this delay stuff is doing anyway - trying to avoid
> transients. But what a 
> >transient is is subjective. Quite legitimately a 1h site
> outage could be a 
> >transient or could not be, depending on what you're trying to do.
> >
> >The choice of constants (of which there are two) used in
> delay calculation 
> >is poor at the moment in that it appears to be giving
> ridiculously long 
> >delays.
> >
> >I think what those values should be will be decided by user
> taste. Some 
> >would rather have workflows fail instantly (for instantly =
> <5min) whilst 
> >others might be prepared to wait a week... at the moment, it
> appears 
> >biased towards the latter.
> >
> >-- 




More information about the Swift-devel mailing list