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  1. Core Server
  2. SERVER-22204

Tests should lower WT cache size

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    • Backwards Compatibility:
      Fully Compatible
    • Backport Completed:
    • Epic Link:
    • Sprint:
      TIG 13 (04/22/16), TIG 14 (05/13/16), TIG 15 (06/03/16), TIG 16 (06/24/16)
    • Linked BF Score:
      0

      Description

      Currently each mongod gets the default of 60% of total memory. This causes a problem when running tests in parallel since 2 mongods are told they can use over 100% of ram. This is exacerbated by test that spawn many mongods (eg tests of sharded replica sets).

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