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  1. Core Server
  2. SERVER-37590

Investigate performance implications of using WiredTiger read-once cursors

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    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Done
    • None
    • None
    • None
    • Storage NYC 2018-11-05, Storage NYC 2018-11-19

    Description

      Using read_once=true cursors has shown to provide no performance benefits yet, at least in the context of background index builds. Investigate why that is the case, and decide when they should or should not be used.

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          is depended on by

          Task - A task that needs to be done. SERVER-37269 Use read_once cursors to do foreground index build collection scans

          • Major - P3 - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-36068 Expose a user-accessible cursor option to avoid caching data from reads

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Task - A task that needs to be done. SERVER-47118 Investigate the behavior of read_once cursors

          • Major - P3 - Major loss of function.
          • Backlog

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              louis.williams@mongodb.com Louis Williams
              louis.williams@mongodb.com Louis Williams
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                Updated:
                Resolved: