Slow Response From A 32 Bit To 64 Bit Connection.

Feb 29, 2008

Here is the configuration we have at our site:
64 bit virtual server - Clustered 64-bit SQL Server 2005 Standard SP2 listening on port 1433.

32 bit virtual server - 32-bit application that connects to above SQL Server 2005 via standard OLEDB driver installed with windows (String utilized: Provider=SQLOLEDB.1;Persist Security Info=False;Initial Catalog=applicationdb;Data Source=ServerInstanceName).

We are experiencing a slow reponse of 45 sec to more than a minute on a simple select statement on a table having 5000 rows.

The same select statement on the Server locally in Studio returns results back in 2 seconds or less. But from Stuido on any other desktop (remote) it takes 45 secs or more. Same slow response is seen by the application which is using OLEDB.

I've looked into some of the Server parameters but didn't find any clues.

Any help is greatly appreciated.

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RESPONSE TIME IS TOO SLOW

Aug 21, 1998

Hi
I have Problem, My response time is too Low. Is Any one Know how to improve my response time. My DATABASE SIZE IS 11 GB. I didn�t change any configuration parameter after installing SQL Server. Right my server Having default configuration parameters. Whether I have to change any parameters or not. My queries will generate lot of temporary tables.

Thanks

JK

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thanks.

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hi,

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WaitType: LATCH_EX
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Hi all,
I have a website www.searchcontracts.com which has a search feature on the front page. The problem is that whenever a search is submitted (without and filters) it processes extremely slow (if at all, sometime throws 'general network' errors). If working properly it will return about 500+ records. As far as i know if there should be no issues returning a recordset of this size. I have the site hosted in a shared environment and it uses a SQL2000 db. If you filter the search resutls, it's more reponsive (still fairly slow).
If you believe that the hosting server i'm using should be upgraded, what would be the best solution? Keep in mind that i want to be able to return way more than 500+ records in one go.
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Feb 10, 2000

We did an in place convertion of our data base from MS SQL Server 6.5 to 7.0.
Our application is much slower now on SQL 7.0. Any idea why?
The following is a sample SQL statement that runs quickly on SQL 6.5 and takes a long time on SQL 7.0 I also attached the query plans from SQL 6.5 and 7.0.

SELECT Person_Name.PerNam_Person_Name_PK ,
Person_Name.PerNam_Row_Status ,
Person_Name.PerNam_Last_Name_Sndx ,
Person_Name.PerNam_Last_Name ,
Person_Name.PerNam_Name_Suffix ,
Person_Name.PerNam_First_Name ,
Person_Name.PerNam_Name_Prefix ,
Person_Name.PerNam_Middle_Name ,
Person_Name.PerNam_Event_Person_FK ,
Event.Evn_Event_Nbr ,
Event.Evn_Event_Type ,
Event_Person.EvnPer_Last_Name ,
Event_Person.EvnPer_First_Name ,
Event_Person.EvnPer_Middle_Name ,
Event_Person.EvnPer_Name_Prefix ,
Event_Person.EvnPer_Name_Suffix
FROM Person_Name , Event , Event_Person
WHERE (Person_Name.PerNam_Agency_ID = "CL")
AND ( Person_Name.PerNam_Event_Person_FK = Event_Person.EvnPer_Event_Person_PK )
and ( Event_Person.EvnPer_Event_FK = Event.Evn_Event_PK )
and (Person_Name.PerNam_Person_Name_PK = 0 or ( Person_Name.PerNam_Event_Person_FK = 581541) )
and ( Person_Name.PerNam_Row_Status <> "D" )

Query plan in SQL 6.5

SQL Server Execution Times:
cpu time = 0 ms. elapsed time = 31250 ms.
STEP 1
The type of query is INSERT
The update mode is direct
Worktable created for REFORMATTING
FROM TABLE
Person_Name
Nested iteration
Index : PK_Person_Name
FROM TABLE
Person_Name
Nested iteration
Index : PerNam_Event_Person_FK
FROM TABLE
Person_Name
Nested iteration
Using Dynamic Index
FROM TABLE
Event_Person
Nested iteration
Index : PK_Event_Person
TO TABLE
Worktable 1
STEP 2
The type of query is SELECT
FROM TABLE
Worktable 1
Nested iteration
Table Scan
FROM TABLE
Event
Nested iteration
Index : PK_Event
SQL Server Parse and Compile Time:
cpu time = 0 ms.
Table: Person_Name scan count 2, logical reads: 6, physical reads: 5, read ahead reads: 0
Table: Event scan count 0, logical reads: 0, physical reads: 0, read ahead reads: 0
Table: Event_Person scan count 0, logical reads: 0, physical reads: 0, read ahead reads: 0
Table: Worktable scan count 0, logical reads: 0, physical reads: 0, read ahead reads: 0
Table: Worktable scan count 1, logical reads: 1, physical reads: 0, read ahead reads: 0

SQL Server Execution Times:
cpu time = 0 ms. elapsed time = 62 ms.

Query plan on SQL 7.0

SQL Server parse and compile time:
CPU time = 431 ms, elapsed time = 535 ms.
.................
Table 'Event'. Scan count 1, logical reads 3, physical reads 3, read-ahead reads 0.
Table 'Event_Person'. Scan count 1, logical reads 6, physical reads 5, read-ahead reads 0.
Table 'Person_Name'. Scan count 1, logical reads 4588, physical reads 2, read-ahead reads 4092.

SQL Server Execution Times:
CPU time = 7921 ms, elapsed time = 13519 ms.

SQL Server Execution Times:
CPU time = 0 ms, elapsed time = 13781 ms.

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