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  1. Ignite
  2. IGNITE-7754

WAL in LOG_ONLY mode doesn't execute fsync on checkpoint begin

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.5
    • Component/s: persistence
    • Labels:
      None

      Description

      On checkpoint begin method IgniteWriteAheadLogManager.fsync(WALPointer ptr) will be called, but it won't actually perform fsync because mode isn't FSYNC. It might lead to LFS corruption if OS or hardware failed until checkpoint had been finished.

        Attachments

        1. image-2018-03-20-19-08-42-234.png
          78 kB
          Ivan Rakov
        2. screenshot-1.png
          77 kB
          Ivan Rakov
        3. screenshot-2.png
          78 kB
          Ivan Rakov

          Issue Links

          causes

          Improvement - An improvement or enhancement to an existing feature or task. IGNITE-8057 Execute WAL fsync preventively before checkpoint begin

          • Major - Major loss of function.
          • Open
          links to

          Web Link GitHub Pull Request #3656

            Activity

              People

              • Assignee:
                ivan.glukos Ivan Rakov
                Reporter:
                ilantukh Ilya Lantukh
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                Dates

                • Created:
                  Updated:
                  Resolved: