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  1. Lucene - Core
  2. LUCENE-2762

Don't leak deleted open file handles with pooled readers

Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.9.4, 3.0.3, 3.1, 4.0-ALPHA
    • 2.9.4, 3.0.3, 3.1, 4.0-ALPHA
    • None
    • None
    • New

    Description

      If you have CFS enabled today, and pooling is enabled (either directly
      or because you've pulled an NRT reader), IndexWriter will hold open
      SegmentReaders against the non-CFS format of each merged segment.

      So even if you close all NRT readers you've pulled from the writer,
      you'll still see file handles open against files that have been
      deleted.

      This count will not grow unbounded, since it's limited by the number
      of segments in the index, but it's still a serious problem since the
      app had turned off CFS in the first place presumably to avoid risk of
      too-many-open-files. It's also bad because it ties up disk space
      since these files would otherwise be deleted.

      Attachments

        1. LUCENE-2762.patch
          37 kB
          Michael McCandless

        Activity

          People

            mikemccand Michael McCandless
            mikemccand Michael McCandless
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            Dates

              Created:
              Updated:
              Resolved:

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