[jira] [Created] (LUCENE-6786) Remove IndexFileDeleter.refresh(String)

["Michael McCandless (JIRA)" <ji...@apache.org>]

Michael McCandless created LUCENE-6786:
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             Summary: Remove IndexFileDeleter.refresh(String)
                 Key: LUCENE-6786
                 URL: https://issues.apache.org/jira/browse/LUCENE-6786
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: Trunk, 5.4


Today IW has try/finally around places (flush, merge) that write
per-segment files and on exception uses IFD.refresh(String) to remove
any newly created but now unreferenced files.

But, since merge exceptions are now tragic, and IFD.refresh() (not
taking a segment name) will be called, doing the same thing, I think
it's safe to remove the per-segment refresh.

This makes IW a little bit simpler ... and it means at least one fewer {{Directory.listAll}} while handling merge exceptions.




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