JBoss DV is encountering delays when querying SQL server source

Solution Unverified - Updated -

Issue

  • if we change from nvarchar(4000) to varchar(100 the query response drops from 15 sec to 0
  • SQL server locking up and refusing connections from DV server

Environment

  • Red Hat JBoss Data Virtualization (DV) 6.1
  • SQL Server
  • sendStringParametersAsUnicode

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