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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-6150) Remove staleFiles map from FSDirectory
Date Wed, 31 Dec 2014 12:54:13 GMT
Uwe Schindler created LUCENE-6150:
-------------------------------------

             Summary: Remove staleFiles map from FSDirectory
                 Key: LUCENE-6150
                 URL: https://issues.apache.org/jira/browse/LUCENE-6150
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Uwe Schindler
            Assignee: Uwe Schindler
             Fix For: 5.0, Trunk


Hi,
the "hack" to keep track of files written to in FSDirectory, to filter them when calling sync
is heavily broken. [~mikemccand] already opened an issue, which was abandoned then.

In fact handling this in FSDirectory is a hack and broken! If IndexWriter is itsself not able
to correctly handle tracking the files, it is also his repsonsibilty to do this. We already
have a class that can do this: TrackingDirectoryWrapper. IndexWriter should use an instance
of this class to track those stale files (until the problem is solved).

I would like to keep FSDirectory clean from this, especially, as this is broken anyways: If
somebody has another directory impl like HDFS or Infinispan, the problem still persists. The
base directory should throw an IOException if trying to sync a file that does not exist!



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