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https://issues.apache.org/jira/browse/LUCENE-2778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12936093#action_12936093
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Shai Erera commented on LUCENE-2778:
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That's how I worked so far ... I usually develop on 3x and then merge to trunk.
I didn't think it will cause troubles :). I don't mind developing on trunk and
merging to 3x if that will improve anything, but would the history of 3x look
like then? Perhaps we should avoid merging on a regular basis and instead apply
the patch on both, and then once in a while we do a big mergeprops merge?
> Allow easy extension of RAMDirectory
> ------------------------------------
>
> Key: LUCENE-2778
> URL: https://issues.apache.org/jira/browse/LUCENE-2778
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Store
> Reporter: Shai Erera
> Assignee: Shai Erera
> Priority: Minor
> Fix For: 3.1, 4.0
>
> Attachments: LUCENE-2778.patch
>
>
> RAMDirectory uses RAMFiles to store the data. RAMFile offers a newBuffer()
> method for extensions to override and allocate buffers differently, from e.g.
> a pool or something. However, RAMDirectory always allocates RAMFile and
> doesn't allow allocating a RAMFile extension, which makes RAMFile.newBuffer()
> unusable.
> I think we can simply introduce a newRAMFile() method on RAMDirectory and
> make the RAMFiles map protected, and it will allow really extending RAMDir.
> I will post a patch later.
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