Web Cache instances
can be clustered with a load balancer or use a built-in clustering capability. This
capability provides a shared distributed cache, where each cache instance is aware of
the contents of the other cache instances. Web Cache can be used with Forms and
Reports.
Web Cache includes a technology Oracle refers to as surge protection. Surge protection
proactively monitors the load on each server and implements actions to prevent
the servers from being overwhelmed by a spike in traffic or a denial-of-service attack.
In Oracle Application Server 10g, Web Cache is used to collect the data on page
service times that are used by Enterprise Manager??™s Application Performance Monitoring
feature.
The Java Object Cache is implemented with a set of Java classes. As its name implies,
this cache stores frequently used Java objects in memory or disk. Developers use a
set of attributes associated with a Java object to define how an object is loaded into
the cache, where an object is stored, and validation rules that specify when an object
is moved out of the cache.
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