SQLExpress Memory Limitations && Aspnet_wp.exe

Jul 24, 2007

Does the aspnet_wp.exe get considered in memory limitations for SQL Express? (1GB limit) I'm asking because I run the Reporting Services on the same box (this is required with SQLE). When I run reports, it seems much of the work is in the aspnet_wp.exe process, so I'm trying to determine if running reports will get considered in the 1GB memory limit of SQLE. I know, however, that the ReportServer database and the ReportServerTempDB database WILL get included in the 1GB limit, but am trying to figure out if the aspnet_wp.exe process gets considered as well when it is running reports.



Thanks,



Michael

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In-Memory Processing Tables - Limitations?

Nov 11, 2014

Just been reading up on this and there are a lot of limitation which one needs to consider when designing an in-memory table. I'm going to post them below in the hope that others will add to them so I can get a definitive list;

No foreign key constraints

No clustered indexes

No schema changes once the table is set in memory

No index changes once the table is set in memory

Alter Table function is not supported

Additional filegroup needs to be created in order to process in-memory tables

Varchar MAX is not supported

XML/User Defined data types are not supported

Max page length is 8060 (page overflow not supported)

Can't create indexes on NULLABLE columns

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Hi all,I have recently implemented a SQL 2005 cluster using SQL 2005 Standardon Windows 2003 Enterprise edition.Both nodes have 4GB of RAM and according to the datasheet, SQL 2005Standard can support the OS maximum memory amount and Win2K3 EntEdition can support 64GB!However, in Enterprise Manager, if I go to the "Memory" tab of theinstance properties I can't increase the memory beyond 2147483647(which I assume is around 2GB).I don't have AWE enabled but am unsure as to the ramifications of this.Any advice anyone could provide would be greatly appreciated.Many thanks,Ian

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Jul 18, 2007

Hello,



I am aware that SQL Express has a memory limitation of 1GB. I am trying to determine if this 1GB memory is shared with the Report Server. In other words, if I run a query that requires 600MB of memory, and a report that pushes the Report Server to 600MB of memory, will I exceed the 1GB limit for SQL Express? Or are these two separate processes for memory limitation purposes?



If they are separate processes, are there any limitations to the Report Server as far as performance when using the Express edition of SSRS? If not, would it not make sense to push the Report Server harder than the database when running reports if SQL Express is my target platform? (e.g., do MORE work in the RS, and less in the database itself)



Thanks,



Michael

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SQL 2005 Express And CPU/Memory Limitations.

Jul 8, 2006

SQL Express Ed is limited to one CPU, what happens if the CPU is a dual core CPU? Does SQL Express care? Does it see a dual core as a single CPU?

As for memory, stupid question, SQL Express is limited to 1 GB RAM, if I run it on a server with say 4GB of ram packed into it, will it affect SQL Express' performance? Will SQL Express even run if there is more than 1GB available? Or will SQL Express simply ignore the extra RAM with no negative consequences?

Thanks,

Andy

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Is there some way to limit the amount of memmory grabbed by SQLEXPRESS as there is with SQL 2000? TaskManager shows it taking 1.4 gig on my server. 2 gig total memory in the machine. I'd like to limit it to someting less.

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Aspnet_wp.exe Crashing Intermittently

Mar 2, 2007

I have an application which is providing printing facility using a custom hardware interface device.
Whenever a print is required user punches in his ID number into the hardware device, and hence an underlying application gets the event and it calls a managed DLL, which inturn calls the Reporting services webservice on the same server. Problem starts after some days (typically after 2 -3 days), when the server response becomes slow and the aspnet_wp.exe restarts every now and then and after this sequence of happening, finally it crashes with some event in application in event log which reads:
The server was unable to allocate from the system nonpaged
pool because the pool was empty.

Also many times the applications log file reads :
There is an error in XML document (1, 948).
I think this error starts when the aspnet_wp.exe is restarting, but I am not sure.

The server operating system is Windows 2000 SP-4, MS SQL Server 2000 Standard Edition SP-4, MS Reporting Services 2000 Standard SP-2 with .Net Framework v1.1
The Server is running many applications apart from the ones listed above and there is a moderate usage of TCP/IP sockets for communicating with certain hardware devices.
Please help me out!

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Jun 22, 2006

Hey everyone.

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I can't start SQLEXPRESS.

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Any thoughts why this might be and how I can fix this?

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Sep 21, 2006

hiya,

I have sqlExpress and sqlServerManagementStudio on my XP pro box.

Will the installation of sqlExpress (Advanced Services) cause any problems?IS thereanything that I shold be aware of in advance?

many thanks,

yogi

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Jan 19, 2007

Hi All,

I have created an installation application which will install the application with SQL Express and .NET Framework 2.0.

If i install this application in a Fresh system(i.e which is not having SQL Express), it is installing the application with new database instance successfully.

But if i try to install the same in a system which is already having SQL Express, throwing "Object reference exception" because it is not able to create the new database instance.

Can anybody help me out .

Regards,

Doppalapudi.

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I do have sql server 2005 developer's edition installed; is that the reason? and does that mean I cannot have both installed on the same machine?

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Jul 1, 2006

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I have now tried the "Table Memory Optimization Advisor" tool.

After a couple of tweaks to the table design - the tool is now passing validation but the tool is not allowing to progress to the next step:

Could it be down to not having enough memory? But would this not show in the advisor?

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Sep 28, 2007

Hello. I have received the follwoing error upon an attempt to Browse the Cube. All other tabs are functional, including the Calculations tab. We are running Windows Server 2003 SP2 and SQL Server 2005 SP2. Any suggestions would be greatly appreciated!

**EDIT** - Have confirmed SP1 for VS2005 is installed both locally and on server, also.


Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (Microsoft Visual Studio)

------------------------------
Program Location:

at Microsoft.Office.Interop.Owc11.PivotView.get_FieldSets()
at Microsoft.AnalysisServices.Controls.PivotTableFontAdjustor.TransformFonts(Font font)
at Microsoft.AnalysisServices.Browse.CubeBrowser.UpdatePivotTable(Boolean translate)
at Microsoft.AnalysisServices.Browse.CubeBrowser.UpdateAll(Boolean translate)
at Microsoft.AnalysisServices.Browse.CubeBrowser.InitialUpdate()
at Microsoft.AnalysisServices.Browse.CubeBrowser.SupportFunctionWhichCanFail(FunctionWhichCanFail function)

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Oct 11, 2007

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Currently we have a quad core box with 4 gb of RAM (VMware). OS: Windows 2003 std, SQL Server 2005 std. 3GB is not set but will be as soon as we can perform maintenance on the server.

I have read mixed feedback on AWE, either it works great or grinds you to a hault. I would assume that the grinding to a hault is due to not setting the min/max values correctly or not enabling the lock page in memory setting.

We only have one instance of SQL on the server and this box won't be used for anything else aside from hosting SQL services. We do plan on running SSRS off of this server as well.

1. Will running SSRS and enabling AWE cause me problems? Will I have to reduce the max setting by the SSRS memory usage or will it share and play nice?

2. How do I go about setting the Max value? Should it be less than the physical RAM in the box? Right now its set to the default of 214748364, even if I don't enable AWE should this default value be changed?

3. It seems that even at idle the SQL server holds a lot of memory and the page file grows. If I restart the process in the morning, memory usage in taskmon is at 600mb or so. By the end of the day, its up around 2gb. How can I track down whats causing this, should this even concern me?

4. The lock Page in memory setting worries me. Everything I've read on this seems to give a warning about serious OS and other program support degradation. In some cases to the point where they have to restore the settings on the server before they can bring it back up. What are your thoughts on this.

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Feb 27, 2006

I'm new to SQL so don't laugh if this is easy to spot but I'm having trouble with a select statement but I do not think it's the syntax etc, I'm convinced it must be due to some restrictions and limitations within SQL.

Could anyone shed some light? I've been 'googling' for two days now and can't find anything, much appreciated! thanks.


SELECT a.medno_id,
tblAction.action_shortdesc,
tblClassification.class_shortdesc,
tblType.type_shortdesc,
tblUnit.unit_shortdesc,
tblSystem.system_shortdesc,
a.med_oldserial,
a.med_builddate,
tblLibrary.lib_shortdesc,
a.med_f24bookno,
a.med_f24entry,
a.med_f102bookno,
a.med_f102entry,
tblTransport.trans_shortdesc,
a.med_courierno,
tblPOC.poc_surname,
a.med_title,
a.med_notes

FROM tblMedia a

INNER JOIN tblAction ON a.action_id = tblAction.action_id
INNER JOIN tblClassification ON a.class_id = tblClassification.class_id
INNER JOIN tblType ON a.type_id = tblType.type_id
INNER JOIN tblUnit ON a.unit_id = tblUnit.unit_id
INNER JOIN tblSystem ON a.system_id = tblSystem.system_id
INNER JOIN tblLibrary ON a.lib_id = tblLibrary.lib_id
INNER JOIN tblTransport ON a.trans_id = tblTransport.trans_id
INNER JOIN tblPOC ON a.poc_id = tblPOC.poc_id

WHERE a.medno_id = 327
ORDER BY a.med_effdate


I've spaced out the query so it's easy to read

I've started the query from scratch building my SQL adding one field at a time and it works perfect until it reaches a certain number of fields, it's as if SQL has a limit to no of fields it can return/be used in the select part of the statement. Are there any limitations I should know about? or am I being an idiot and doing something I shouldn't?

Hope this makes sense, thanks!

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Hi.

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Why is it that the two processes in my application seem to be able to connect to my database concurrently, when this is apparently a limitation?
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Thanks.

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Thanks

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