What Is A Trace File And How Is It Created ?
Answers
Trace File are trace (or dump) file that Oracle Database creates to help you diagnose and resolve operating problems. Each server and background process writes to a trace file. When a process detects an internal error, it writes information about the error to its trace file.
To create the trace log, start mysqld like so:
mysqld --debug
On Windows, the debug mysqld is called mysqld-debug and you should also use the --standalone option. So the command on Windows will look like:
mysqld-debug --debug --standalone
Once the server is started, use the regular mysql command-line client (or another client) to connect and work with the server.
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About. Trace File are trace (or dump) file that Oracle Database creates to help you diagnose and resolve operating problems. Each server and background process writes to a trace file. When a process detects an internal error, it writes information about the error to its trace file.
To create a trace
On the File menu, click New Trace, and connect to an instance of SQL Server.
The Trace Properties dialog box appears.
NOTE: The Trace Properties dialog box fails to appear, and the trace begins instead, if Start tracing immediately after making connection is selected. To turn off this setting, on the *Tools *menu, click Options, and clear the Start tracing immediately after making connection check box.
In the Trace name box, type a name for the trace.
In the Use the template list, select a trace template on which to base the trace, or select Blank if you do not want to use a template.
To save the trace results, do one of the following:
Click Save to file to capture the trace to a file. Specify a value for Set maximum file size. The default value is 5 megabytes (MB).
Optionally, select Enable file rollover to automatically create new files when the maximum file size is reached. You can also optionally select Server processes trace data, which causes the service that is running the trace to process trace data instead of the client application. When the server processes trace data, no events are skipped even under stress conditions, but server performance may be affected.
Click Save to table to capture the trace to a database table.
Optionally, click Set maximum rows, and specify a value.
Hope, it should help you.
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