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  1. Couchbase Server
  2. MB-46283

Revise Frag Auto Tuner Algorithm

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • Cheshire-Cat
    • feature-backlog
    • storage-engine
    • 1

    Attachments

      For Gerrit Dashboard: MB-46283
      # Subject Branch Project Status CR V
      153302,8 MB-46283: Fix bug in computing disk growth rate unstable plasma Status: NEW 0 -1
      153304,10 MB-46283: Add auto tuner stats for cleaner IO bandwidth unstable plasma Status: NEW 0 -1
      153369,6 MB-46283: Do not throttle cleaner bandwidth unstable plasma Status: NEW 0 0
      153414,3 MB-46283: Use actual cleaner bandwidth for frag ratio tuning unstable plasma Status: NEW 0 -1
      153415,5 MB-46283: Do not use usedSpaceRatio for frag ratio tuning unstable plasma Status: NEW 0 -1

      Activity

        jliang John Liang added a comment - - edited

        1) Need to preserve additional disk space for rebalance and index build
        2) Need to exclude bandwidth consumed by mvcc purger
        3) Max bandwidth can overshoot
        4) Use actual disk usage rather than log space for calculation

        jliang John Liang added a comment - - edited 1) Need to preserve additional disk space for rebalance and index build 2) Need to exclude bandwidth consumed by mvcc purger 3) Max bandwidth can overshoot 4) Use actual disk usage rather than log space for calculation

        People

          jliang John Liang
          jliang John Liang
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          Dates

            Created:
            Updated:

            PagerDuty