[Framework] It should be possible to limit number of open JAR files
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Key: FELIX-3071
URL: https://issues.apache.org/jira/browse/FELIX-3071
Project: Felix
Issue Type: Improvement
Components: Framework
Affects Versions: framework-3.2.2
Reporter: Richard S. Hall
Assignee: Richard S. Hall
Fix For: framework-4.0.0
Currently, the framework opens a ZipFile for each bundle JAR file and one for
each embedded JAR file on a bundle's class path. Needless to say, if you have
lots of bundles in your system, this can lead to lots of open files for the
framework process. It should be possible to modify the framework to obey some
limit on the number of open ZipFiles.
A general approach would be to have a configurable limit and whenever the
framework wanted to open another, if the limit was exceeded it would have to
close a not recently used ZipFile. Theoretically, this shouldn't be too much of
an issue for classes in particular, because once they are loaded they are
cached in memory and it isn't necessary to go back to the disk.
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