Why The Performace Differs?
Aug 30, 2005
All,
I have a problem regarding SQL Server 2000 SP3,
I have SP that calls other SP and it inserts about 30,000 records as a
time,
in the development environment (MS Windows 2003 Enterprise, 256 RAM,
3.0 GHz Intel Processor) takes about 6 seconds to run this SP.
But, with the same Software but, 2.6 GHz Intel and 1 GB Ram, it runs
very slow it takes more than 135 Seconds to run,
I have read a lot of articles about expanding the SQL Memory and give
it a higher process privilege but, with no use,
I don't know where the problem is, do you have any idea about what is
the problem?
Thank you in advance,
MAG
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Nov 29, 2003
i have installed winxp on one and win2k on the other. both r servers (msql7 desktop edition)
i want to see the other both the servers on one machine in EM but it does not show it in the ser registration list.
i have given sql server authentication in both.
help.
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Nov 28, 2007
Hi
i have developed reports which uses Line textbox, and list ...
When i render these reports in acrobat and excel, acrobat works fine but excel it takes line every thicker even if i
decrease the width of the line to 0.25pt excel takes as same as if it was 1.0pt
is there any solution for this, my report has no warnings .
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Mar 14, 2007
Hi,
I have a derived column transformation which adds a new column of type Decimal with scale 2.
The expression is (6800 / 464)
Runs fine but it returns
14.65
While if I run any of the following queries in query analyzer SELECT 6800 /
464OR
SELECT CONVERT(DECIMAL(10,2), 6800 / 464)
They give me 14.66.
My question is, why both the tool of same product differs in the way they work ? and How could I have SSIS to work like TSQL ? I tried typecasting in derived column expression and ROUND function too. But still, the output is same.
Any help in this will sincerely be appreciated.
Thanks
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Mar 15, 2007
its k i got it :)
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Jan 18, 2007
Hi,
Can any one please tell me how to get the complete error description for example when i dont Redirect Row for Error in OLEDB Source i get a detailed error message with column name as
[RCheck [385]] Error: There was an error with input column "CHECK_STATUS" (456) on input "OLE DB Destination Input" (398). The column status returned was: "The value could not be converted because of a potential loss of data.".
But when I set Redirect Row for error and use the Script component to log them into a Table with ErrorDescription based on ErrorColumnID it only gives me this.
The data value cannot be converted for reasons other than sign mismatch or data overflow.
Thanks
Sat
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Jun 13, 2006
Can anyone give me some guidelines as to when to chose JOINS over returning multiple resultsets in a strored procedure..
For eample, I have two tables, Orders and OrderDetails, which are linked by a primary key field. There can be orders w/o a corresponding record in orderdetails.
1.) I can return all orders and their details using a stored preocedure that has:
SELECT o.order_id as OrderId, o.customername, od.order_id, od.orderdate FROM orders AS o LEFT OUTER JOIN orderdetails AS od ON (o.order_id=od.order_id)
2.) I can do the same by returning two results sets in a different stored procedure:
SELECT order_id, customername FROM orders
SELECT order_id, orderdate FROM orderdetails
I think the client processing time for the second option will be slightly less, because the resultset I need to filter will only be as big as the orederdetails table (it will not include records for orders that have no details). Regardless, I think this would only make for a small performance gain, so if Option 1 is better in Database performace, I would probably go with that.
I assume the method to choose also depends on table size and # of JOINS. Any guidance would be appreciated. Thanks,
Al
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Jun 19, 2001
I have a openquery query like this
Select * from openquery([db2],'Select * from tableA')
To only return and process records for a given date range I changed it to be something like this
Select * from openquery([db2],'Select * from tableA')
where datefield > '06/06/2001'
While this works fine, my question is that does it copy all the records from the db2 server to the sql server before filtering them. I think it does.
The db2 table will have over 1,000,000 records eventually, and the sql server will use records for a given day/date range only.
I cannot add the where clause to the db2 query.
any ideas ?
tia.
neil.
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Apr 17, 2006
I have tried many things and even the worst case thing which I was trying to avoid i.e. uninstalled MSDE SP3 and Analysis Services and service packs but the problem is still not solved...
Whenever I open a DTS in design view and double click on the link (the line connecting the two) between the source and destination servers the PC goes to sleep and comes back after a long time and then the same problem occurs when I press on the transformation tab...
I know this may sound weird but that really is the case :o
Any clues anyone .... please
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Apr 17, 2006
I have tried many things and even the worst case thing which I was trying to avoid i.e. uninstalled MSDE SP3 and Analysis Services and service packs but the problem is still not solved...
Whenever I open a DTS in design view and double click on the link (the line connecting the two) between the source and destination servers the PC goes to sleep and comes back after a long time and then the same problem occurs when I press on the transformation tab...
I know this may sound weird but that really is the case :eek:
Please help :o
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Jun 4, 2008
and TCP as a connection method.
When using Named Pipes the issue is no longer there.
On massive batch inserts we sometimes get a long pause at the end of one insert and before begining the next one. Example:
1000 inserts in the same table and then repeat. This will work fine for 3 or 4 iterations, then pause during the 5th iteration for up to 40 seconds and then simply continue.
When this exact same procedure is done using Named Pipes as the connection method this never happens.
While this is happening neither the server or the workstation is doing anything, 0% CPU, 0% network, it just sits there.
All this using the SQL Native Client 2005 and ADO.
Anyone have any ideas?
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Jan 11, 2007
I created two tables one is based on partition structure and one is non-partition structure.
File Groups= Jan,Feb.....Dec
Partition Functions='20060101','20060201'......'20061201'
I am using RIGHT Range in Partition function.
Then I defined partition scheme on partition function.
I have more than 7,00,000 data in my database.
I checked filegroups and count rows. It works fine.
But When I check the estimation plan time out for query it is same for both partition table and non partition table.
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Jun 18, 2007
HelloI have a VB6 application using classic ado (MDAC 2.8) for connectingms sql 2000 server. Application uses a lot of server side cursors. NowI want to switch to ms sql 2005 server but I have noticed very seriousperformance problem. Sql profiler results of execution of followingcommands:declare @p1 intset @p1=180150131declare @p3 intset @p3=1declare @p4 intset @p4=16388declare @p5 intset @p5=22221exec sp_cursoropen @p1 output,N' Select ... from ... where .... orderby ...',@p3 output,@p4 output,@p5 outputselect @p1, @p3, @p4, @p5on sql server 2000:CPU: 234Reads:82515Writes:136Duration:296and on sql server 2005:CPU: 4703Reads:678751Writes:1Duration:4867Both databases are identical, the servers runs on the same machine(Pentium 2,8 Ghz, 2 GB RAM) with only one client connected. On forumsI've read that Microsoft doesn't recommend using server side cursorson sql 2005 but is there any way to increase performance to someacceptable level?thanks in advanceszymon strus
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Apr 18, 2007
Hello All,
I am new to SQL Server 2000. I am eager to learn what factors/parameters are key for obtaining good retrieval performance of SQL Server 2000 (prompt response to user query).
I recall that someone told me that a recordset with asOpenStatic cursor type has higher speed than that of a recordset with other cursor types.
Is this true or false. Are there really some key parameters for perfomance tuning .
Thanks
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Feb 14, 2008
Hi,
I am with the response time for a simple count on a fulltext search that is too slow.
Even using the most simple query on a good server (64 bit Dual Opteron 4GB Ram with high speed 16 raid disk storage)):
select count(*) from content_books where contains(searchData,'"english"')
Takes 4 seconds to count the avg 500.000 resultsI have removed all the joins with real table data so that the query is only inside the fulltext engine..
I would expect this to be down to 4 milli seconds. Isn't it just getting the size of the "english" word result index?
It seems the engine is going through all the results because if a do a more complex search that returns less results the performance is better.
Any clues of how to do this faster? I never read the thousands of records BUT i need to count them...
Thank you very much.
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Jun 18, 2007
Hello
I have a VB6 application using classic ado (MDAC 2.8) for connecting ms sql 2000 server. Application uses a lot of server side cursors. Now I want to switch to ms sql 2005 server but I have noticed very serious performance problem. Sql profiler results of execution of following commands:
declare @p1 int
set @p1=180150131
declare @p3 int
set @p3=1
declare @p4 int
set @p4=16388
declare @p5 int
set @p5=22221
exec sp_cursoropen @p1 output,N' Select ... from ... where .... order by ...',@p3 output,@p4 output,@p5 output
select @p1, @p3, @p4, @p5
on sql server 2000:
CPU: 234
Reads: 82515
Writes: 136
Duration: 296
and on sql server 2005:
CPU: 4703
Reads: 678751
Writes: 1
Duration: 4867
Both databases are identical, the servers runs on the same machine (Pentium 2,8 Ghz, 2 GB RAM) with only one client connected. On forums I've read that Microsoft doesn't recommend using server side cursors on sql 2005 but is there any way to increase performance to some acceptable level?
thanks in advance
szymon strus
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Aug 19, 2015
I have created SSRS report which has many overlapping objects, the output in PDF format seems to good but in word format it is not giving the required output.
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