If Max Memory Settings In SQL Including The SSAS
Mar 29, 2008
Hello, I understand that we should use SSMS -> Server Properties -> Memory to put a cap on the SQL server memory usage, therefore it gives some space memory for OS, this is based on the fact if the max memory is not specified, SQL will use whatever available memory and eventually crash the system.
My question is that when a server has SSIS and SSAS services installed along with the SQL service. Would the max memory setting covers the SSIS and SSAS memory usage, or the SSIS and SSAS has to shared the memory with OS?
Thanks,
fshguo.
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Mar 27, 2008
Hello, I understand that we should use SSMS -> Server Properties -> Memory to put a cap on the SQL server memory usage, therefore it gives some space memory for OS, this is based on the fact if the max memory is not specified, SQL will use whatever available memory and eventually crash the system.
My question is that when a server has SSIS and SSAS services installed along with the SQL service. Would the max memory setting covers the SSIS and SSAS memory usage, or the SSIS and SSAS has to shared the memory with OS?
Thanks,
fshguo.
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Oct 11, 2007
I've been researching AWE to determine if we should enable this for our environment.
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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May 17, 2015
I just converted several SSIS packages from SQL Server 2008 to SQL Server 2012. The packages having issues are those that are SSAS process cube tasks.
When editing the tasks in SSDT for SQL 2008, there is "Change Settings" button/option. In SSDT 2012, there is no Change Settings option!
What happened to it? Even when creating new packages, this option is not available.
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Jan 31, 2008
I have an Active/Active/Passive cluster with 64GB RAM on each node running SQL 2000 EE, AWE is enabled as well as the PAE switch, all is dandy with that.
Question:
Should I configure each SQL Instance to have only a max mem usage of 32GB in the event both failover to the same node ? or will the memory allocation be handled without any issue if each node is configured to use 64GB ?
Thanks.
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Apr 17, 2008
So I'm in the middle of building SQL Server 2005 on my new cluster hardware. I've got all the goodies this time around -4x PowerEdge 68004x dual core x64 procs in each box32GB ram in each boxWindows Server 2k3 R2 Enterprise x64 SP2SQL 2005 Enterprise x64 SP2Active Active Active Passive cluster (4 boxes, 3 instances)dedicated data, log, and tempDB 4Gb 15k fiber channel SAN Volumes for each instanceNow, this is the first x64 box I've configured, so I'm looking for some optimization tips for a couple things.First one's memory. On our 32bit systems, I always added the /PAE switch to the boot.ini file and enable AWE in SQL Server. From what I'm reading, that's no longer needed with the enhanced memory addressing. Is that the case? Is there an MS best practices KB doc in regards to configuration? I can't find one.Also, should I set anything special pagefile-wise? I know the old mantra is 1.5x system memory, but that would create a 48GB page file. Our current cluster has 6GB of ram dedicated to each instance (2k) and Perfmon tells me it's barely touching the pagefile. I'm thinking of just leaving it default, but I want to know if there is a best practice that I'm missing. Again, I can't find an MS doc that addresses this particular scenario.
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Apr 4, 2008
I have SQL 2005 Enterprise 64bit SP2 on windows 2003 EE 64bit SP2 w/24gig memory. My problem is that it wont use more than 110mb of memory according to task manager processes and performance. I've tried messing with the min and max and rebooting each time I make the change and sill nothing. Currently Ive changed it back to default. The server shows up as 24gig so it is seeing the memory. Any ideas? I thought 64bit was supposed to be better about this kind of thing.
Also, AWE has always been unchecked as this is a 64bit box.
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Dec 25, 2007
Hi all,
We have SQL Server 2005 Entp 32-bit on Windows Server 2003 Entp.Edtion 64-bit. ( Total memory = 16 Gb)
1) So, in this case , do i need to enable AWE Configuration from SQL Server Side ( 32-bit).
And what settings( AWE, /PAE) i should enable on OS (i.e.) on Windows Server 2003 (64-bit) in boot.ini file.
Because right now, i dont see any switches in boot.ini file.
2) And with 16 GB of RAM, what should be the ideal setting for memory ( Min & Max).
Please give some ideas on this.
Thanks.
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Sep 8, 2015
We have a new set up on VM to run an application running 24*7 (migrated from SQL server 2008R2) with below configs:
1. OS- Windows server 2012 Standard 64 bit hosted on Virtual Machine
2. Memory 16 GB and Cores =4 with 2.4GhZ processor
3. SQL server 2012 SP2 , 64 bit Standard edition.
4. Total size of databases as of now 15 GB with biggest being 5 GB.
How should i go around in setting the MAX and MIN server memory settings. I have this set up for many of SQL 2005 and 2008R2 servers, but for 2012 i heard that things has slightly changed.Â
How should i start analyzing and setting the right value of this MAX and MIN?
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Nov 9, 2007
Hi,
I'm having trouble finding the optimum memory settings for SQL Server 2005. I have 4 instances running on a macine with 8 dual-core processors and 18GB of RAM. I have tried the following memory settings so far:
No maximum - one instance used about 12GB of RAM so then the others struggled
Maximum of 4GB each (2GB left for Windows) - meant that 3 instances could be using 1GB each and then another at 4GB and needing more whilst 9GB sat unused.
Minimum of 2GB each - one instance would use up 10GB and then never give any back to the other instances.
I also find that setting a maximum then just causes a high amount of paging. What I would like to do is have each instance use a minimum amount, say 1GB, and then have each instance use a maximum of 13GB (3GB for other 3 instances running at a minimum level and 2GB for Windows). This 13GB should then be released and allocated to another instance when necessary, assuming it is no longer all being used. I do not want paging to occur if an instance reaches 13GB.
How do I go about configuring SQL Server to behave like this? Is it possible?
Thanks.
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Sep 29, 2015
On first Node A: The server has 16 GB of physical RAM.Â
On second Node B: The server has 10 GB of physical RAM.
Now, this being Active Active, Node A can be clustered on failure onto Node B..Now reporting server is configured under these two nodes, with defined MAX and MIN server memory of 12 as MAX and 0 is min IN GB.Now with this setting on SQL whenever the cluster moves, such config make OS goes low on node for 10 GB.I am only left with option of switching this MAX and MIN to a default setting or is there any other alternative such as script which can change this setting accordingly when cluster moves to respective server.
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May 21, 2007
This morning msmdsrv.exe looked like the following in Task Manager:
Memory Usage: 600,000 K
VM Size: 2,500,000 K
If I understand correctly, that means that a good deal of SSAS memory has been swapped to disk by the OS. Is there any way to prevent this? (I have read about using the Lock Pages In Memory privilege at http://msdn2.microsoft.com/en-us/library/ms179301.aspx which lets SQL prevent the OS from paging sqlservr.exe memory. I don't suppose there's an equivalent SSAS setting.)
In particular, the symptom I'm seeing is that after we finish processing, all that paged memory has to be loaded back into memory before the transaction can be committed. Committing the transaction is usually very quick. But when most of the SSAS process memory is pages, it takes quite a while, during which I can see the Memory Usage number in Task Manager growing. (I don't think it's a blocked transaction commit.)
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May 14, 2008
A question about memory management in querying an SSAS server.
It so happens that users make huge queries on unoptimized elements of the cube.
The result on our server is that memory usage grows very fast, and very far beyond the TotalMemoryLimit that we specified on the server.
Especially, we specified 2.6GB for TotalMemoryLimit, and the performance graphs I have show that memory usage for the service exceeded 4.5GB for some of these bad queries !
As a result, the paging explodes, and put the system on low-memory conditions... Since the service runs on a shared environment, it causes troubles to other services running there...
I understand that the momory limit is a kind of a soft limit that can be exceeded, but not that much !!!
I would prefer the bad queries are automatically killed by the service, replying that it does not have enough memory to complete...
Is there a way to configure the service that way ?
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May 7, 2015
I have a very small SSAS database with around 35 Mb. I opened it on Excel 32 bits and started dragging fields to a pivot table and it started failing with memory errors. The behavior on the SSAS server was that memory started growing very fast until 8 GB (vm memory total) and then the error is reported in excel.
What might be the issue in such a small database? I would understand in a big database, but not on this one.
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Jul 13, 2015
I am looking to test this feature - and the "Transaction Performance Collector" has recommended me a table to port to In-Memory OLTP.Â
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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Jan 30, 2008
Hi,I have a sql query like this select avg([mycolumn]) from data where date > '1/5/08' and date < '1/10/08' group by [mycolumn]order by [mycolumn] descIf all values within that average are numbers, I'm fine. If it's a 0 (not a null, a 0) it doesn't get averaged in. For instance, values 0,1,2 should produce an average of 1.(0+1+2)/3 = 1. But sql is returning a value as if my 0's were nulls and not factored in: (1+2)/2 = 1.5Does anyone know why this is happening and how to fix it?
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Jan 30, 2008
Hi,
I have a sql query like this
select avg([mycolumn]) from data where date > '1/5/08' and date < '1/10/08'
group by [mycolumn]
order by [mycolumn] desc
If all values within that average are numbers, I'm fine. If it's a 0 (not a null, a 0) it doesn't get averaged in. For instance, values 0,1,2 should produce an average of 1.
(0+1+2)/3 = 1.
But sql is returning a value as if my 0's were nulls and not factored in:
(1+2)/2 = 1.5
Does anyone know why this is happening and how to fix it?
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Aug 28, 2015
I have a Windows sever 2012 with sql server 2012 enterprise. Ram size is 22GB. Sometimes SQL sever takes 95% memory.My question, How to reduce memory size without killing any process because it's production server.So there are many background process is running. And,Is there any guides to learn why Memory is raise d so high and how to reduce it.
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Dec 27, 2007
Hi,I'm trying to include a button control inside an iff where I am showing the results of a datalist. My aim is for each user listed, to show whether or not he is already a friend of the logged in user. To do this, I want to create an iff where if the user is already a friend, I will show the text "already a friend". If the user is not yet a friend, there will be a button saying "add as friend" which when clicked will execute an insert query to the database to add that user as a friend. I tried the code below, but it doesn't seem to recognize the button inside the iff. I really need a button to work if the result of the iff condition is DBNull.Value... Can anyone please help? <%#IIf(Container.DataItem("userNameIfFriend") Is DBNull.Value, "<asp:LinkButton id='addbuddy' runat='server' > Add as buddy</asp:LinkButton>", "Already buddy")%> I also tried the code below instead, but it doesn't work either, and I do not know what to include instead of true and false, since the button would only be enabled if the case was true. <asp:LinkButton id='addbuddy' runat='server' Enabled="<%#IIf(DataBinder.Eval(Container.DataItem, “userNameIfFriend�) is DBNull.Value, “True�, “False�)%>">Add as friend</asp:LinkButton> Thanks a lot.
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Dec 6, 2006
I am running Visual Studio 2005. I have an SSIS Package which is consuming a huge amount of memory. During the execution of the package the memory keeps increasing. Until finally i get an Out of Memory exception. I have run this package using dtexec, and in the BIDS. No difference. I do have some script components and have added some code to get the assemblies in the current appdomain. I do see that one particular assembly is increasing on every loop. VBAssembly every time it hits the script component is increasing by 6, and along with it the memory is climbing. What is this VBAssembly being used for is there an update to SQL Server Integration Services that I need?
Thanks! Aaron B.
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Aug 22, 2007
sql server 2000 is running on windows server 2003 ... 4gb of memory on server .... 2003 was allocated 2.3gb nd sql server was allocated (and using all of it) 1.6gb for total of approx 4gb based on idera monitor software ... all memory allocated betweeen the OS and sql server .... then 4 more gb of memory added for total now of 8g ... now idera monitor shows 1.7gb for OS and 1.0 gb for sql server ..... 'system' info shows 8gb memory with PAE ... so I assume that the full 8gb can now be addressed .... why are less resources being used now with more total memory .... especially sql server ..... i thought about specifying a minimum memmry for sql server but i amnot convinced that would even work since it seems that this 1gb limit is artificial .... it it used 1.6 gb before why would it not use at least that much now ??
thank you
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Oct 4, 2015
i want to create a lot of index for my database for performance.but i need find memory usage by indexes.
How to find memory usage by index in sql server?
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Jun 15, 2015
I've a database with a memory optimized filegroup on it. How can I remove it?I have removed the memory optimized table I had on it, but when I try to remove the filegroup I receive an error.
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Jun 15, 2007
Hi everybody
I have this sql which calculates the total
MY TABLE IS:
A B C
100 5 3
100 0 5
20 0 0
sql is
A - B + C as total
the result is it gives me only the total of the first row since it has values on the on the B AND C
the result is
A B C total
100 5 3 98
100 0 5
20 0 0
with no result for the last two rows.. I want to give a condition that if the value is zero or null go to the next...
thanks for any help
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May 23, 2006
Collin writes "i have tried to do a query between 2 different tables that have different columns. within both these tables there is a column that has a column name different from the column name of the other table but the data within both columns is the same. i wanted a query that compares the data between the 2 tables.
Example is:
Table 1
Columns : firstname , age , id , grade.
Table 2
Columns : name, sex , school.
lets say that the data of column "firstname" of table 1 contains the same data as column "name" of table 2 and i would want to do a query that retrieves records for where data in the column "firstname" in table 1 is found in column "name" of table 2.
sql server 2000 with service pack 3 running on windows 2003 server service pack 1
Rgds,
Mr. C. "
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Jun 28, 2006
I have a three server peer-to-peer replication setup that includes articles for tables and views. As I understand the BOL, scheme changes -- which I take to mean changes, amont other things, changes in the design of a table or view -- should automatically replicate to the other servers in the topology. Here are my quesitons:
When including a view as part of the publication, what is it, exactly, that is getting replicated? If all the tables supporting a given view are being replicated, and the view exists on all three boxes, whatelse, besides the view schema (and changes thereto) is being replicated?
Secondly, if in fact schema changes are replicated, why can't I modify a view that is part of a publication? When I try to make a change to such a view, I get a server timeout message, every single time. When I remove the view from the publication, I can make the modification with no trouble. What does replicating schema changes mean if I can't make changes to the schema?
Thanks for any enlightenment on this.
Randy
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Apr 20, 2008
Hi all,
I am processing multiple flatfiles in the same folder using a "for each loop". Inorder to keep track of the file where the record comes from, I would like to add the full path and filename to the record that gets written to SQL.
Can anyone help me with this.
Thanks,
Dan
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Jan 31, 2008
I'm using reporting services actions to execute some javascript. My javascript is quite complicated. Thus I don't want to duplicated it on each item. I've created javascript function and wan't to execute it from actions. But I can't find the way how to include my javascript code into my reports. If there's way to include it for all reports generated on reporting services server - it works fine for me.
Thanks in advance!
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Nov 21, 2006
Hi,
I'm trying to write a SQL SELECT statement where the phone numer ("telnr") is divided on three rows. How do I write a newline? I've tried , NEWLINE, and a few others.
Thanks in advance!
Pettrer, Sweden (VB, Sql Server, VWD Express, Asp.Net 2.0)
Code:
SelectCommand="SELECT [gID], [enamn], [fnamn], telnr1 + ' ' + telnr2 + ' ' + telnr3 As telnr, [epost] FROM...
The corresponding gridview's cell's value is
08-43 244 234 08-432
23 08-424333
and should be
08-43 244 234
08-432 23
08-424333
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May 25, 2001
Hi All,
Here's my situation: I need to move several application db's to a new server. The current server is SQL 7.0 SP2, the new server will be SQL 7.0 SP3.
In order to avoid having the problems of mismatched logins and db user definitions, I'd like to restore the current master over the master that's created at install on the new server.
I was doing some testing of this by trying to restore the 7.0 SP2 master onto a SQL 7.0 DE edition and had some problems. (Obviously, this is not the exact scenario that I need to take place -- I want to restore standard edition to standard edition.)
Is restoring the master db from different service packs under 7.0 going to pose a problem? Is restoring the master db the best way to get around the logins issue when moving db's?
Thanks in advance for all replies.
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Nov 30, 2000
I am trying to write a stored procedure that will automatically link a server and then run a stored proc on the newly linked server. At the end the stored proc will drop the server. I do not want a permanantly linked server due to the fact that this only has to be ran once a month, can you run a remote stored proc any other way then linking the servers?? Cheers to all who reply
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Apr 21, 1999
Hi All
I have a table of students, and a table of lecturers, and I wish to use one select statement to return a list of users.
What I really need to do is something like this:
SELECT Students.UserID AS UserID, Lecturers.UserID AS UserID, Students.FullName AS FullName, Lecturers.FullName AS FullName FROM Students, Lecturers
which would (in my dream world!) produce something like:
UserID FullName
s0002131 Darren Student
s0054242 Richard Student
e13412 Michael Lecturer
x92342 Linda Lecturer
Does anyone know how I should do this? Should I be doing it in an stored proceedure and returning the record set from that? Currently I'm only using ASP and one line SQL statements, and would like to continue doing so.
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