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https://issues.apache.org/jira/browse/LUCENE-5156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730869#comment-13730869
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ASF subversion and git services commented on LUCENE-5156:
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Commit 1511009 from [~rcmuir] in branch 'dev/trunk'
[ https://svn.apache.org/r1511009 ]

LUCENE-5156: remove seek-by-ord from CompressingTermVectors
                
> CompressingTermVectors termsEnum should probably not support seek-by-ord
> ------------------------------------------------------------------------
>
>                 Key: LUCENE-5156
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5156
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>         Attachments: LUCENE-5156.patch
>
>
> Just like term vectors before it, it has a O(n) seek-by-term. 
> But this one also advertises a seek-by-ord, only this is also O(n).
> This could cause e.g. checkindex to be very slow, because if termsenum 
> supports ord it does a bunch of seeking tests. (Another solution would be to 
> leave it, and add a boolean so checkindex never does seeking tests for term 
> vectors, only real fields).
> However, I think its also kinda a trap, in my opinion if seek-by-ord is 
> supported anywhere, you kinda expect it to be faster than linear time...?

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