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From Daniel John Debrunner <...@debrunners.com>
Subject Re: Suggestions for improving performance?
Date Wed, 15 Dec 2004 00:50:08 GMT
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Barnet Wagman wrote:

> So perhaps I'm doing something
> wrong.  I've pretty much tried everything relevant in "Tuning Derby" and
> I've tried varying all possibly relevant Derby properties.  (I set
> properties progarmmatically using the 'Properties info' parameter of
> DriverManager.getConnection()). Nothing has made much of difference.


That would be because database/system properties like derby.* cannot be
set using the properties object passed to DriverManager.getConnection().
That properties object is for JDBC connection attributes that affect how
the connection is made to the database.

Derby's properties are set either by being Java system properties, being
set in the derby.properties, or being database properties, set with the
database procedure.

http://incubator.apache.org/derby/manuals/tuning/perf13.html#HDRSII-SETPROP-24222

Dan.

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