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Wednesday, February 11, 2009 6:58 PM

PRB: RML Utilities - ReadTrace processing fails with "Attempt to use an invalid variant type"

Summary ReadTrace processing may unexpectedly fail with the following error: A serious error condition (true == pVariant->FIsUnknownType()) has been encountered.                
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Wednesday, February 11, 2009 2:49 PM

RML Utilities: Recommended SQL Server 2008 updates for ReadTrace processing

There have been a couple of SQL Server 2008 fixes shipped in recent Cumulative Updates, that address issues you may encounter during ReadTrace processing and .RML generation, or OStress replay.  Here are the updates we recommend if you use SQL Server
Posted by psssql | 1 Comments
Friday, January 23, 2009 10:10 PM

INF: Multi-Machine Replay Using ORCA and OSTRESS

You can place ORCA on a central computer and allow it to control the sequencing from multiple client computers running OSTRESS.    To accomplish this you must configure the firewall properly. Note: Be sure to install the same version of
Posted by psssql | 0 Comments
Wednesday, January 21, 2009 4:50 PM

PRB: RML Utilities - ReadTrace and how to workaround MARS

Summary We've lately gotten several questions from users regarding ReadTrace and how to workaround when your input trace files contain MARS (Multiple Active Result Sets).  ReadTrace currently does not support processing MARS and you will need to
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Monday, January 12, 2009 11:14 PM

ReadTrace Generates Unexpected Connect Node - Not Really

At first glance it appears that ReadTrace has generated an unexpected connect node.  Upon closer inspection the behavior is correct in order to maintain the proper set options for the connection. Trace has both physical and logical connect/disconnect
Posted by psssql | 0 Comments
Friday, December 12, 2008 8:22 PM

INF: RML Utilities: Turning on Trace Flags

Summary When using the RML utilities the logged message or documentation can indicate that use of a trace flag is necessary to change behavior. More Information The RML Utilities use command line parameter ( -T ) as a trace flag to alter the utilities
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Monday, November 03, 2008 2:20 PM

RML Utilities: ReadTrace may encounter assertion building the partial aggregates

Summary In rare circumstances ReadTrace may encounter the following SQL Server 2008 assertion error when attempting to execute a parallel query. 11/03/08 00:05:35.139 [0X00003B94] Dumping error record 1 of 2: 11/03/08 00:05:35.139 [0X00003B94] --------------------------------------------------------------------------
Posted by psssql | 2 Comments
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Tuesday, October 07, 2008 9:19 PM

RML Utilities: ReportViewer Bug Affects SQL Server Management Studio and Reporter Utility

Summary An index out of bounds error can occur while rendering a report in Local Report Viewer Mode with more than one dataset. Outer Exception: Object reference not set to an instance of an object, an error occurred during rendering of the report. Inner
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Thursday, January 24, 2008 3:30 PM

How It Works: Conversion of a Varchar, RPC Parameter to Text from a Trace (.TRC) Capture

The Senior Escalation Engineers do various training and mentoring activities. As I do this I thought I would try to propagate some of this information on the blog. This was an interesting issue I ran into this week. The reported problem was that the data
Posted by psssql | 1 Comments
Wednesday, November 21, 2007 2:43 PM

RML (READTRACE/OSTRESS) Utilities for SQL Server 2005

As I promised at the PASS 2007 Summit in Denver, I'm writing a post here about the popular RML Utilities better known and READTRACE and OSTRESS. Our goal was to have this fully ready and posted on the web for public download by Thanksgiving. That day
Posted by psssql | 3 Comments
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