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From "Michael McCandless (JIRA)" <>
Subject [jira] Created: (LUCENE-1654) Include diagnostics per-segment when writing a new segment
Date Fri, 22 May 2009 19:13:45 GMT
Include diagnostics per-segment when writing a new segment

                 Key: LUCENE-1654
             Project: Lucene - Java
          Issue Type: Improvement
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 2.9

It would be very helpful if each segment in an index included
diagnostic information, such as the current version of Lucene.

EG, in LUCENE-1474 this would be very helpful to see if certain
segments were written under 2.4.0.

We can start with just the current version.

We could also consider making this extensible, so you could provide
your own arbitrary diagnostics, but SegmentInfo/s is not public so I
think such an API would be "one-way" in that you'd have to use
CheckIndex to check on it later.  Or we could wait on such extensibility
until we provide some consistent way to access per-segment details
in the index.

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