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Message from discussion Lots of blocking from SQLNS
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Shyam Pather [MSFT]  
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 More options May 6 2005, 6:16 pm
Newsgroups: microsoft.public.sqlserver.notificationsvcs
From: "Shyam Pather [MSFT]" <spat...@online.microsoft.com>
Date: Fri, 6 May 2005 15:16:04 -0700
Local: Fri, May 6 2005 6:16 pm
Subject: Re: Lots of blocking from SQLNS
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Brooks,
Do you perhaps have extra delivery channels defined in your application that
aren't used (i.e. there are no/very few subscriber devices configured for
those delivery channels)? There is a bug in Notification Services SP1 where,
if you have defined many delivery channels in your ICF (config file) that
aren't used, the distributor mistakenly tries to grab new work items too
often. THis leads to the blocking you're describing.

We do have a hotfix available for this problem. You will need to contact
Product Support to obtain it.

Thanks
-shyam

--
Learn more about SQL-NS:
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<bro...@frnk.com> wrote in message

news:1115246625.163227.216960@z14g2000cwz.googlegroups.com...
> Hi, everyone.  I'm embarassed to admit that I set up a SQLNS app some
> time ago, and it's been so long since I worked with it that I'm at a
> loss for where to start troubleshooting.

> A SQLNS server that I work with is experiencing an inordinately high
> volume of blocking.  In particular, the procedure
> NSAssignNextWorkItemToDistributor seems to be blocking itself quite a
> bit, presumably meaning that it's being launched more frequently than
> it completes.

> Can some kind soul give me a couple of tips:

> - Could this procedure be bogging down due to a poor maintenance scheme
> in the NS config?  If so, what should I look for?

> - Alternatively, could I have misconfigured it to run too frequrntly?
> Again, what should I be looking for?

> Thanks much
> -Brooks


 
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