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SSIS 2012 is Microsoft SQL Server Integration Services 2012, and is part of SQL Server 2012. SSIS allows SQL Server to interact with other technologies, including import and export of data to and from other formats, or ETL, and data warehousing.
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Why is SSIS slow to enumerate over many files in a directory and import them?
I have a terribly slow SSIS package. It's quite fast with one file, and reasonably fast with 100 files or fewer. (About one second per file)
However, if my directory has thousands of (very small) fil …