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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: Client stuck
Date Sat, 05 Oct 2013 11:56:16 GMT
On Sat, 2013-10-05 at 11:39 +0200, Sebastiano Vigna wrote:
> On 25 Sep 2013, at 2:00 PM, Oleg Kalnichevski <olegk@apache.org> wrote:
> 
> > I do not have any suggestions other than taking note of problematic
> > hosts, monitoring them closely and probably applying more aggressive
> > timeout parameters to those hosts by dynamically reducing socket timeout
> > if throughput drops below a certain limit.
> 
> 
> We did it, and it solved part of the problems we're having.
> 
> The fact is that there are parts of the stack we cannot control. This threads are stuck
since ~12h (we have about 30 of the same kinds over 6000 overall fetching threads on 3 machines):

...

> Suggestions? Should we give an interrupt after a certain amount of time has elapsed?
> 

Well, that can certainly be seen as the last resort if everything else
fails.

Oleg



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