Uploaded image for project: 'Accumulo'
  1. Accumulo
  2. ACCUMULO-4805

Seeing thread contention on FileManager

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 1.9.0
    • None

    Description

      Accumulo has a tablet server wide cache of open files.  Accessing this cache obtains a global lock.  In profiling, I am seeing contention on this lock.

      Attachments

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. ACCUMULO-543 why are we still reusing RFile.Readers?

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

          Web Link GitHub Pull Request #380

          Web Link GitHub Pull Request #389

          Activity

            People

              kturner Keith Turner
              kturner Keith Turner
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Time Tracking

                  Estimated:
                  Original Estimate - Not Specified
                  Not Specified
                  Remaining:
                  Remaining Estimate - 0h
                  0h
                  Logged:
                  Time Spent - 2h
                  2h