Oracle 9ias

In September, Oracle delivered its Oracle 9i Application Server R2.0.3, which provides J2EE support for developing and deploying transactional systems. The server automatically recompiles servlets. Oracle 9iAS R2.0.3 supports JTA for transaction management, offering two-phase commit for both Oracle and non-Oracle DBs.

For persistence, Oracle's app server can auto-generate mapping between an EJB and the database. It supports three levels of clustering that include Web cache clusters. Application failover is also supported.

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''We've done a lot of optimizations for Java object caching, as well as to our Web cache, which is, in our case, the Apache server,'' noted John Magee, vice president, development tools at Oracle. Caching frequently requested pages in memory has value as JSP growth increases, he said.

Oracle recently announced some of the elements to be expected in a 2003 version. Like its chief competitors, Oracle is making significant product moves in the area of manageability.

''Managing clusters is the focus of our next release,'' Magee explained. ''We want to get mainframe levels of scalability and maintainability, but on clustered configurations of [rack-mount] hardware.

''We want you to be able to manage it all as if it were a single configuration,'' he said.

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