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https://issues.apache.org/jira/browse/LUCENE-1184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-1184:
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Attachment: LUCENE-1184.patch
Attached patch. I plan to commit in a day or two.
> Allow SnapshotDeletionPolicy to be reused across writer close/open
> ------------------------------------------------------------------
>
> Key: LUCENE-1184
> URL: https://issues.apache.org/jira/browse/LUCENE-1184
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.3
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.4
>
> Attachments: LUCENE-1184.patch
>
>
> If you re-use the same instance of SnapshotDeletionPolicy across a
> close/open of your writer, and you had a snapshot open, it can still
> be removed when the 2nd writer is opened. This is because SDP is
> comparing IndexCommitPoint instances.
> The fix is to instead compare segments file names.
> I've also changed the inner class IndexFileDeleter.CommitPoint to be
> static so an instance of SnapshotDeletionPolicy does not hold
> references to IndexFileDeleter, DocumentsWriter, etc.
> Spinoff from here:
> http://markmail.org/message/bojgqfgyxkkv4fyb
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