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https://issues.apache.org/jira/browse/FELIX-2436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881233#action_12881233
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Peter Lawrey edited comment on FELIX-2436 at 6/22/10 11:59 AM:
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Unfortunately java.io.File creates lots of objects and there is no alternative.
It is the subject of this bug
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6963022
was (Author: peter_edgeci):
Unfortunately File creates lots of objects and there is no alternative. It
is the subject of this bug
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6963022
> Reduce the number files created by the fileinstall Scanner.
> -----------------------------------------------------------
>
> Key: FELIX-2436
> URL: https://issues.apache.org/jira/browse/FELIX-2436
> Project: Felix
> Issue Type: Improvement
> Components: File Install
> Affects Versions: fileinstall-2.0.8
> Reporter: Peter Lawrey
> Attachments: reduce_object_construction.patch
>
>
> The fileinstaller is called regularly and there can be two or more instances
> in a server.
> However its object allocation doesn't considered that 99.999+% of the time
> none of the files change.
> (polling one per second and changing files once per day is means the file
> installer will see a change 0.001% of the time)
> In our application, polling every second results in the Scanner creating more
> objects than the application itself. We can turn down the polling rate but
> even at once every 10s it creates more objects than any other component!
> For this reason I have changed the Scanner to first check whether any files
> have changed attempting to compute what has changed.
> See atached for a patch of the changes. This reduces the number of obejcts
> created by atleast a factor of 3.
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