FIX: Spurious lines may be added to the SQL Server error log at each initialization in SQL Server 2019

Applies to: SQL Server 2019 on LinuxSQL Server 2019 on Windows


Assume that you run INSERT statements into EXTERNAL TABLES by using PolyBase or Big Data Clusters (BDC) in SQL Server 2019. You may notice that the PUT operator addsspurious lines to the SQL Server error log at each initialization as follows:

Put operator initializing - ThreadId: %d - region handle %d - DOP: %d - HR: %d


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 


This issue is fixed in thefollowing cumulative update for SQL Server:
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