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From "Earwin Burrfoot (JIRA)" <>
Subject [jira] Commented: (LUCENE-1715) DirectoryIndexReader finalize() holding TermInfosReader longer than necessary
Date Tue, 23 Jun 2009 18:04:07 GMT


Earwin Burrfoot commented on LUCENE-1715:

And support removing finalizers everywhere if their only point is to guard against forgotten

> DirectoryIndexReader finalize() holding TermInfosReader longer than necessary
> -----------------------------------------------------------------------------
>                 Key: LUCENE-1715
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.4.1
>         Environment: Sun JDK 6 update 12 64-bit, Debian Lenny
>            Reporter: Brian Groose
>            Assignee: Michael McCandless
>             Fix For: 2.9
> DirectoryIndexReader has a finalize method, which causes the JDK to keep a reference
to the object until it can be finalized.  SegmentReader and MultiSegmentReader are subclasses
that contain references to, potentially, hundreds of megabytes of cached data in a TermInfosReader.
> Some options would be removing finalize() from DirectoryIndexReader (it releases a write
lock at the moment) or possibly nulling out references in various close() and doClose() methods
throughout the class hierarchy so that the finalizable object doesn't references the Term
> Original mailing list message:

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