From: <glassfish_at_javadesktop.org>
Date: Mon, 28 Jan 2008 15:24:12 PST

Hi Kern,

"asadmin" is a wrapper script that invokes NetworkServerControl.class to start the derby database. When starting derby server, the properties file gets read. By default there is no derby.properties. You will need to create one.
See:
http://db.apache.org/derby/integrate/plugin_help/properties.html
and
http://db.apache.org/derby/docs/10.1/tuning/ctunproper22250.html

If your intention of increasing the heap size is to add more cache, then you may want to add derby.storage.pageCacheSize in the derby.properties.

HTH,
Jane
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