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SQL Trace


SQL Trace

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Steve Jones
Steve Jones
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Comments posted to this topic are about the item SQL Trace

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jim.powers
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Preface: I answered the question correctly but...

I understand that all events are guaranteed to be captured. However, even if the event IS captured but a write error occurs, in my mind, the event is lost. Same thought comes to mind with writing data to the database. SQL Server may have captured the transaction but if a write error occurs writing that transaction to the database, the data IS lost.
Steve Jones
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Jim

Agree with you there. I was surprised to learn this, but I also wouldn't want my instance stopping because of tracing. The data is lost, perhaps there should be some alerting to notify the admin if space is an issue?

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jim.powers
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I would add write errors to that notification as that could signify something else on the horizon.
dmoldovan
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Indeed I/O can be a problem, even if everithing is captued, see also
http://sqlcat.com/technicalnotes/archive/2008/02/01/precision-performance-for-microsoft-sql-server-using-rml-utilities-9-0.aspx
Vivien Xing
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Is the question clear?
"...can events be lost if you have disk space?" or "...can events be lost if you have disk space PROBLEM?"

This is not only for SQL2008 but also for SQL2005. Not sure whether it is for SQL2000.
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