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  1. Core Server
  2. SERVER-33741

Enhance capped collection deletion of small number of items in WiredTiger

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.0.0-rc1
    • Storage
    • None
    • Fully Compatible
    • Storage Non-NYC 2018-04-23, Storage Non-NYC 2018-05-21, Storage Non-NYC 2018-06-04

    Description

      The capped collection implementation in WiredTiger starts doing a cursor truncate once collections reach the configured maximum size. That's efficient if we are removing ranges of data, but not if only removing a few data items.

      We should review the implementation to see if we can improve the performance of capped collections with WiredTiger.

      Some work was done on this in SERVER-32424.

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              donald.anderson@mongodb.com Donald Anderson
              alexander.gorrod@mongodb.com Alexander Gorrod
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                Created:
                Updated:
                Resolved: