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  1. Lucene - Core
  2. LUCENE-1013

IndexWriter.setMaxMergeDocs gives non-backwards-compatible exception "out of the box"

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.3
    • 2.3
    • core/index
    • None
    • New

    Description

      Yonik hit this (see details in LUCENE-994): because we have switched
      to LogByteSizeMergePolicy by default in IndexWriter, which uses MB to
      limit max size of merges (setMaxMergeMB), when an existing app calls
      setMaxMergeDocs (or getMaxMergeDocs) it will hit an
      IllegalArgumentException on dropping in the new JAR.

      I think the simplest solution is to fix LogByteSizeMergePolicy to
      allow setting of the max by either MB or by doc count, just like how
      in LUCENE-1007 allows flushing by either MB or docCount or both.

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            mikemccand Michael McCandless
            mikemccand Michael McCandless
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