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  1. Core Server
  2. SERVER-42478

Remove DB MODE_X locks from oplog application of create/createIndexes

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    • Fully Compatible
    • ALL
    • v4.2
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      Found by code inspection, no reproducer yet.

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      Found by code inspection, no reproducer yet.
    • Execution Team 2019-09-09, Execution Team 2019-09-23

    Description

      In oplog application, there are still places (here and here) where we take MODE_X database locks. This could affect secondary read performance in presence of DDL operations on other collections in the same database.

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              daniel.gottlieb@mongodb.com Daniel Gottlieb
              geert.bosch@mongodb.com Geert Bosch
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