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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-2063) FileDataStore: garbage collection can delete files that are still needed
Date Tue, 07 Apr 2009 14:41:12 GMT
FileDataStore: garbage collection can delete files that are still needed
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                 Key: JCR-2063
                 URL: https://issues.apache.org/jira/browse/JCR-2063
             Project: Jackrabbit Content Repository
          Issue Type: Bug
          Components: jackrabbit-core
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller


It looks like the FileDataStore garbage collection (both regular scan and persistence manager
scan) can delete files that are still needed.

Currently it looks like the reason is the last access time resolution of the operating system.
This is 2 seconds for FAT and Mac OS X, NTFS 100 ns, and 1 second for other file systems.
That means file that are scanned at the very beginning are sometimes deleted, because they
have a later last modified time then when the scan was started.

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