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Persistent Reusable Java Virtual Machine unter z/OS und Linux.

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Titel: Persistent Reusable Java Virtual Machine unter z/OS und Linux. (German)
Autoren: Beyerle, Marc, Franz, Joachim, Spruth, Wilhelm G.
Quelle: Informatik - Forschung und Entwicklung; Oct2005, Vol. 20 Issue 1, p102-111, 10p
Abstract (English): The use of Java for the development of new applications in high-end transaction systems generates special isolation and performance requirements. A new technology offering improved isolation and a significant performance improvement is discussed in this article. The Persistent Reusable Java Virtual Machine extends a regular Java Virtual Machine by adding the facility to share classes and by providing a reset functionality, which permits serial reuse of the JVM. A z/OS benchmark demonstrated a performance improvement by a factor of 325, compared to a regular JVM. Thus the use of Enterprise Java Beans has to be considered as a serious alternative when developing new transactional applications under the z/OS operating system. [ABSTRACT FROM AUTHOR]
Abstract (German): Die Nutzung von Java zur Entwicklung von Anwendungen für Hochleistungstransaktionssysteme stellt besondere Anforderungen an die Isolation und das Leistungsverhalten in der transaktionalen Ausführung. In dem vorliegenden Beitrag wird eine neuartige Technologie beschrieben, die verbesserte Isolationseigenschaften und eine erhebliche Leistungssteigerung ermöglicht. Die Persistent Reusable Java Virtual Machine erweitert eine normale Java Virtual Machine um gemeinsam genutzte Klassen und um eine Reset-Funktionalität, die eine serielle Wiederverwendbarkeit ermöglicht. In einer Benchmark-Untersuchung unter z/OS wurde hiermit ein Performance-Gewinn um einen Faktor 325 im Vergleich mit einer normalen JVM erreicht. Für das Erstellen von Transaktionsanwendungen unter dem Betriebssystem z/OS sind Enterprise Java Beans damit eine ernstzunehmende Alternative zu bisherigen Programmiermodellen. [ABSTRACT FROM AUTHOR]
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Abstract:The use of Java for the development of new applications in high-end transaction systems generates special isolation and performance requirements. A new technology offering improved isolation and a significant performance improvement is discussed in this article. The Persistent Reusable Java Virtual Machine extends a regular Java Virtual Machine by adding the facility to share classes and by providing a reset functionality, which permits serial reuse of the JVM. A z/OS benchmark demonstrated a performance improvement by a factor of 325, compared to a regular JVM. Thus the use of Enterprise Java Beans has to be considered as a serious alternative when developing new transactional applications under the z/OS operating system. [ABSTRACT FROM AUTHOR]
ISSN:01783564
DOI:10.1007/s00450-005-0195-7