Increasing BizTalk map performance by mapping in C#
I have been struggling with some performance issues with mappings last year. The received messages could get up to 200 MB and a lot of data had to be looked up from other records in that same request message during the mapping. The only way to improve performance was by using XSLT, on which I wrote a post last year. Eventually even that was not enough and I had to resort to using C#....