InMemory engine startupwarnings confusing

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 4.9.0, 4.4.2, 4.2.11, 4.0.22
    • Affects Version/s: None
    • Component/s: None
    • None
    • Fully Compatible
    • ALL
    • v4.4, v4.2, v4.0, v3.6
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      Run a mongod process with engine=inMemory and writeConcernMajorityJournalDefaul=true (default value).

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      Run a mongod process with engine=inMemory and writeConcernMajorityJournalDefaul=true (default value).
    • Execution Team 2020-10-19
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    • 3
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      As a consequence of the changes in SERVER-44796 if you start a mongod with the engine=inMemory you get duplicate startup warnings and the one about the journal may be confusing:

      2020-02-05T18:07:30.855+0000 I REPL     [conn36] ** WARNING: This replica set node is running without journaling enabled but the
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          writeConcernMajorityJournalDefault option to the replica set config
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          is set to true. The writeConcernMajorityJournalDefault
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          option to the replica set config must be set to false
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          or w:majority write concerns will never complete.
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          In addition, this node's memory consumption may increase until all
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          available free RAM is exhausted.
2020-02-05T18:07:30.855+0000 I REPL     [conn36]
2020-02-05T18:07:30.855+0000 I REPL     [conn36]
2020-02-05T18:07:30.855+0000 I REPL     [conn36] ** WARNING: This replica set node is using in-memory (ephemeral) storage with the
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          writeConcernMajorityJournalDefault option to the replica set config
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          set to true. The writeConcernMajorityJournalDefault option to the
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          replica set config must be set to false
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          or w:majority write concerns will never complete.
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          In addition, this node's memory consumption may increase until all
2020-02-05T18:07:30.855+0000 I REPL     [conn36] **          available free RAM is exhausted.

      Can we suppress the first warning shown in my example when using engine=inMemory to avoid confusion?

      Thanks.

              Assignee:
              Gregory Noma
              Reporter:
              Emilio Scalise
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                Created:
                Updated:
                Resolved: