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From "Robert Muir (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-3647) DocValues merging is not associative, leading to different results depending upon how merges execute
Date Wed, 14 Dec 2011 12:51:30 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir resolved LUCENE-3647.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 4.0

all 3 failed hudson seeds pass now.
                
> DocValues merging is not associative, leading to different results depending upon how
merges execute
> ----------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-3647
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3647
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-3647.patch, LUCENE-3647_multi.patch, LUCENE-3647_test.patch
>
>
> recently I cranked up TestDuelingCodecs to actually test docvalues (previously it wasn't
testing it at all).
> This test is simple, it indexes the same random content with 2 different indexwriters,
it just allows them
> to use different codecs with different indexwriterconfigs.
> then it asserts the indexes are equal.
> Sometimes, always on BYTES_FIXED_DEREF type, we end out with one reader that has a zero-filled
byte[] for a doc,
> but that same document in the other reader has no docvalues at all.

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