What does "Cached connection" mean in an execution trace

Applies to: Denodo 8.0 , Denodo 7.0 , Denodo 6.0
Last modified on: 10 Apr 2018
Tags: JDBC data sources ODBC data sources Performance

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The caching of connections is independent of the data caching.  The property "Cached connection" in the execution trace indicates that the JDBC/ODBC connection used to retrieve data from a data source is a reused connection from a previous execution. By default, the JDBC and ODBC data sources use a pool of connections to avoid opening new connections on each request.


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