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  1. Lucene - Core
  2. LUCENE-753

Use NIO positional read to avoid synchronization in FSIndexInput

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: core/store
    • Labels:
      None
    • Lucene Fields:
      New

      Description

      As suggested by Doug, we could use NIO pread to avoid synchronization on the underlying file.
      This could mitigate any MT performance drop caused by reducing the number of files in the index format.

        Attachments

        1. LUCENE-753.patch
          8 kB
          Michael McCandless
        2. LUCENE-753.patch
          10 kB
          Michael McCandless
        3. LUCENE-753.patch
          13 kB
          Jason Rutherglen
        4. LUCENE-753.patch
          10 kB
          Michael McCandless
        5. LUCENE-753.patch
          11 kB
          Michael McCandless
        6. lucene-753.patch
          9 kB
          Jason Rutherglen
        7. lucene-753.patch
          8 kB
          Jason Rutherglen
        8. FSIndexInput.patch
          2 kB
          Yonik Seeley
        9. FSIndexInput.patch
          7 kB
          Yonik Seeley
        10. FSDirectoryPool.patch
          6 kB
          Michael McCandless
        11. FileReadTest.java
          5 kB
          Yonik Seeley
        12. FileReadTest.java
          5 kB
          Yonik Seeley
        13. FileReadTest.java
          6 kB
          Yonik Seeley
        14. FileReadTest.java
          6 kB
          Michael McCandless
        15. FileReadTest.java
          8 kB
          Yonik Seeley
        16. FileReadTest.java
          8 kB
          Yonik Seeley
        17. FileReadTest.java
          8 kB
          Brian Pinkerton
        18. FileReadTest.java
          8 kB
          Yonik Seeley

          Activity

            People

            • Assignee:
              mikemccand Michael McCandless
              Reporter:
              yseeley@gmail.com Yonik Seeley
            • Votes:
              5 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: