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  1. Core Server
  2. SERVER-41244

The WT inMemory storage engine needs an alternative metric to determine cache pressure for the snapshot window size controls

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    • Type: Icon: Bug Bug
    • Resolution: Won't Fix
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Storage
    • None
    • ALL
    • v4.2
    • Execution Team 2019-06-03, Execution Team 2019-06-17
    • 0

      The WT inMemory engine does not use a persisted lookaside table for cache overflow, so it needs to look at something other than LAS table writes to determine cache pressure.

      SERVER-36956 introduced the problem for the inMemory engine. Perf testing revealed the problem.

            Assignee:
            dianna.hohensee@mongodb.com Dianna Hohensee (Inactive)
            Reporter:
            dianna.hohensee@mongodb.com Dianna Hohensee (Inactive)
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              Created:
              Updated:
              Resolved: