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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3084) MergePolicy.OneMerge.segments should be List<SegmentInfo> not SegmentInfos
Date Wed, 11 May 2011 22:29:47 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032137#comment-13032137
] 

Michael McCandless commented on LUCENE-3084:
--------------------------------------------

I would love to cutover to Set<SI>, but, I don't think we can.  There are apps out there
that want merges to remain contiguous (so docIDs keep their monotonicity).

But I do think we should not keep that by default (I reopened LUCENE-1076 to switched to TieredMP
in 3.x by default).

> MergePolicy.OneMerge.segments should be List<SegmentInfo> not SegmentInfos
> --------------------------------------------------------------------------
>
>                 Key: LUCENE-3084
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3084
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 3.2, 4.0
>
>         Attachments: LUCENE-3084-trunk-only.patch, LUCENE-3084-trunk-only.patch, LUCENE-3084.patch
>
>
> SegmentInfos carries a bunch of fields beyond the list of SI, but for merging purposes
these fields are unused.
> We should cutover to List<SI> instead.

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