Best practices in SSIS Logging

• Log always using SSIS logging mechanism
• Do not reinvent logging mechanism using any manual methods even in C# script tasks
• Script task to log into SSIS logging stream
• http://dataqueen.unlimitedviz.com/2013/09/how-to-enable-custom-logging-for-an-ssis-script-task/
• https://msdn.microsoft.com/en-us/library/ms136131%28v=sql.120%29.aspx?f=255&MSPPError=-2147217396
• Inject the log destination from invoking platform. This will help to correlate the SSIS logs with other application logs.
• eg: If the SSIS is invoked from C# application let the C# provide the logging connection string.
• Better log all the events and point to database as logging store.
• Have periodic routine to cleanup the logs.

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Above are the best practices as of my understanding and experience with SSIS. Sorry to say that, I cannot guarantee that it will work for all.