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Here is the description for the sp.<br />
<a href="https://msdn.microsoft.com/en-us/library/ms181647(v=sql.105).aspx" rel="ugc">https://msdn.microsoft.com/en-us/library/ms181647(v=sql.105).aspx</a><br />
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Your best bet is to check the history log for which jobs ran during the time frame in question.<br />
Then see whether they have this procedure called, <br />
<br />
It might be part of a statistics update, though you said that was not run.<br />
<br />
See note SQL may have determined it would be advantageous to recompile this sp.
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Here is the description for the sp.
https://msdn.microsoft.com/en-us/library/ms181647(v=sql.105).aspx [https://msdn.microsoft.com/en-us/library/ms181647(v=sql.105).aspx]

Your best bet is to check the history log for which jobs ran during the time frame in question.
Then see whether they have this procedure called,

It might be part of a statistics update, though you said that was not run.

See note SQL may have determined it would be advantageous to recompile this sp.

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QPR, do you still need help with this question?
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QPR, do you still need help with this question?

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I found the app which was calling the sp
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A user was doing some processing yesterday evening and it failed after 20 minutes.<br />
The log said that the object had changed since the process started.<br />
I knew this process fell outside of my maintenance window that recompiles/updates stats etc so I investigated.<br />
I found that just before the process failed SQL ran sp_recompile.<br />
I can't see any SQL maintenance tasks that run any time near the user was working so was wondering what would have spawned this?<br />
It was run from the mssqlsystemresource DB. At this time I see deadlocks for the users process.<br />
I have never struck this issue before.
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A user was doing some processing yesterday evening and it failed after 20 minutes.
The log said that the object had changed since the process started.
I knew this process fell outside of my maintenance window that recompiles/updates stats etc so I investigated.
I found that just before the process failed SQL ran sp_recompile.
I can't see any SQL maintenance tasks that run any time near the user was working so was wondering what would have spawned this?
It was run from the mssqlsystemresource DB. At this time I see deadlocks for the users process.
I have never struck this issue before.

what fires sp_recompile

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.

Microsoft SQL Server 2008

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.