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  1. WiredTiger
  2. WT-2931

Configure default in-memory dirty cache usage lower

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • WT2.9.0, 3.2.11, 3.4.0-rc1
    • None
    • None

    Description

      Configuring the in-memory option to WiredTiger currently causes the cache dirty target to be set to 100. That has the disadvantage that some allocators will potentially have a lot of fragmentation.

      We should configure a lower default dirty target for in-memory configurations, so that potential allocator fragmentation is limited.

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            michael.cahill@mongodb.com Michael Cahill
            alexander.gorrod@mongodb.com Alexander Gorrod
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              Created:
              Updated:
              Resolved: