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Why is my Attunity/Teradata SSIS connection getting slower and slower over time?

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Hello, I'm using a 32bit Attunity provider and 32 bit Teradata Driver to connect to Teradata and execute a query and load that result set into a SQL Server table. Server Windows 2012R2, SQL Server 2016 SP1. For over a year I have noticed that it took this pkg 1-2 min to run, then over the last many months it now takes 30 min, and now 2.5 hr's to do the same exact thing. And only on this one package. Nothing about the drivers, providers has changed. The Teradata system is still high speed and a performance bottle neck. Nor is the SQL serve itself, nothing else is competing for resources including network bandwdith. Where and how can I go about investigating why it has become so slow? Thanks

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