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Random run duration for a SQL job

Random run duration for a SQL job

(OP)
Hi,

I have an issue that I cannot understand anymore...

I have a server A (Windows Server 2003) hosting a database.

I have developed a DTS to save in this database some data for other databases from other servers.

This DTS is runned each morning with MS SQL Server (automatic execution).

I don't understand why every day, the run duration is random. Sometimes, the job spends 15 minutes to be done, sometimes, it spends 30 minutes...

I think that locks can be the issue. I want to trace them with SQL Profiler but the matter is that I want to start tracing at 5am. I'm not at work at that time so how can I make start the trace automatically?

If you don't think that the locks are the problem, do you know please how I can begin me research to solve this problem?

Thans you in advance,

Elaelian  
 

RE: Random run duration for a SQL job

Firstly for your trace - start it via cmdline.

Create a batch file using this as a guide:
http://pentonizer.com/sql-server/sql-profiler-command-line-options/

Then schedule it to run using scheduled tasks.

What i would say is issues like this are VERY hard to find.  It could be a backup on SQL running late, or even on a seemingly unconnected server (backup running on a different server causing network traffic on a switch\cable to be high -  causing a delay).

Dan

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