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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2471) Supporting bulk copies in Directory
Date Mon, 24 May 2010 10:34:23 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870560#action_12870560
] 

Michael McCandless commented on LUCENE-2471:
--------------------------------------------

I think this issue makes sense, separate from LUCENE-2455?  Ie this issue is for bulk copying
when you have IndexInput/Output already open (I don't think LUCENE-2455 covers this?).  Whereas
LUCENE-2455 is operating on file names...

> Supporting bulk copies in Directory
> -----------------------------------
>
>                 Key: LUCENE-2471
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2471
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Earwin Burrfoot
>             Fix For: 3.1, 4.0
>
>
> A method can be added to IndexOutput that accepts IndexInput, and writes bytes using
it as a source.
> This should be used for bulk-merge cases (offhand - norms, docstores?). Some Directories
can then override default impl and skip intermediate buffers (NIO, MMap, RAM?).

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