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From "Michael McCandless (JIRA)" <>
Subject [jira] [Created] (LUCENE-3203) Rate-limit IO used by merging
Date Tue, 14 Jun 2011 17:23:47 GMT
Rate-limit IO used by merging

                 Key: LUCENE-3203
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/store
            Reporter: Michael McCandless
            Assignee: Michael McCandless
            Priority: Minor
             Fix For: 3.3, 4.0

Large merges can mess up searches and increase NRT reopen time (see

A simple rate limiter improves the spikey NRT reopen times during big
merges, so I think we should somehow make this possible.  Likely this
would reduce impact on searches as well.

Typically apps that do indexing and searching on same box are in no
rush to see the merges complete so this is a good tradeoff.

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