Re: Thread Dropped Issue

Alvin Bruney [ASP.NET MVP] wrote:
You should post this either in the SQL server newsgroup or in the CLR
newsgroup for more specific help. It looks like there is some
scavenging going on which is causing an issue.

This is the CLR newsgroup...



"A. Robinson" <ARobinson@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:1D41B6CB-051F-4D1C-9D8F-F63DFE1A2C90@xxxxxxxxxxxxxxxx
We are seeing an error in our SQL Server logs I'm not very familiar
with, and
was hoping someone on her ecould shed some light on the subject...

I installed the SS DBA Dashboard on one of our boxes. This box is a
64 bit Windows Server 2003, SP2 running SQL Server 2005 64 bit,
Service PAck 2 with
Cumulative Update 3 applied. The entire box has 16GB or RAM and 16
processors. We have 12GB of RAM devoted exclusively to SQL Server,
which is
allocated on start up.

Here is the error we're getting:

08/26/2008 04:55:04,spid147,Unknown,AppDomain 62
(SS_DBA_Dashboard.dbo[runtime].61) created.
08/26/2008 04:54:59,spid1s,Unknown,AppDomain 61
(SS_DBA_Dashboard.dbo[runtime].60) unloaded.
08/26/2008 04:54:59,spid1s,Unknown,AppDomain 61
(SS_DBA_Dashboard.dbo[runtime].60) is marked for unload due to memory
pressure.
08/26/2008 04:49:06,spid91,Unknown,AppDomain 61
(SS_DBA_Dashboard.dbo[runtime].60) created.
08/26/2008 04:48:17,spid1s,Unknown,AppDomain 60
(SS_DBA_Dashboard.dbo[runtime].59) unloaded.
08/26/2008 04:48:17,spid1s,Unknown,AppDomain 60
(SS_DBA_Dashboard.dbo[runtime].59) is marked for unload due to memory
pressure.

These AppDomains appear to be under some kind of pressure, then get
unloaded, then a new one gets created. There is a stored procedure
that runs
every minute...

The DBA Dashboard consists of one .dll, two sptored procedures and a
very small database. The stored procedure gets run every minute and
gather stats
on database activity. Here's a link to the application:

http://www.sqlserverexamples.com/v2/Products/tabid/76/Default.aspx

I've been reading and keep coming across this issue, but have only
seen it in relation to shops running on 32 bit platofrms.

I have no idea what the scoop is here, but am assuming it's got
something to
do with .Net somehow

Any insight would be appreciated!


.

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