Fabian Lange created FELIX-5217:
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Summary: Fileinstall is handling removal of many files
inefficiently
Key: FELIX-5217
URL: https://issues.apache.org/jira/browse/FELIX-5217
Project: Felix
Issue Type: Bug
Components: File Install
Reporter: Fabian Lange
I am currently debugging a performance issue with file install.
The thread is very hot on:
java.util.HashMap.hash(java.lang.Object)
java.util.HashMap.put(java.lang.Object, java.lang.Object)
java.util.HashSet.add(java.lang.Object)
java.util.AbstractCollection.addAll(java.util.Collection) (line: 344)
org.apache.felix.fileinstall.internal.WatcherScanner.scan(boolean) (line: 100)
org.apache.felix.fileinstall.internal.DirectoryWatcher.run() (line: 302)
What I see in WatcherScanner, is that it potentially adds the same elements
over and over again.
While I am sure that this is not the root cause, I suggest to change the method
to avoid this. (submitting pr in a second)
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