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Summary: XVII JORNADAS DE PARALELISMO--ALBACETE, SEPTIEMBRE 2006 1
Scheduling Connections using System-Level
Thread Priorities in Web Applications
Javier Alonso, Jordi Guitart and Jordi Torres
Resumen--The e-commerce web sites receive a great
and varied number of visitors every day. These vis-
itors share the application server's limited resources
and when there are too many clients connecting to
the web site, it is possible that they hinder between
them, even to overload the application server. These
visitors can be divided in different categories, depend-
ing on their importance from site viewpoint. Consid-
ering the importance that in these web sites some
client connections (e.g. buyers' connections) finish
successfully before other connections, in this paper
we propose a mechanism to provide different quality
of service to the different client categories by assign-
ing different priorities to the threads attending the
connections. After observing that Java Thread Pri-
orities are only applied within the JVM, and more-
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