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  1. Documentation
  2. DOCS-12250

Pre-4.2 --networkMessageCompressors default is incorrect

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      https://docs.mongodb.com/manual/reference/program/mongod/ for 4.0 says:

       --networkMessageCompressors <string>
       
          Default: snappy,zlib
      

      This is not correct as the default for pre-4.2 is snappy only. Further down in the text the docs do say that in 3.6 and 4.0 the default is snappy only, thus the same default is documented twice with different values.

      https://jira.mongodb.org/browse/DOCS-11946 kind of fixes this for 4.2 because in 4.2 the default did in fact become snappy,zlib, but all previous versions have the incorrect default displayed and currently the default version is 4.0 with the incorrect shown default.

      An example of user confusion this causes is https://jira.mongodb.org/browse/RUBY-1216?focusedCommentId=2084798&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-2084798.

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            kay.kim@mongodb.com Kay Kim (Inactive)
            oleg.pudeyev@mongodb.com Oleg Pudeyev (Inactive)
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              Created:
              Updated:
              Resolved:
              5 years, 9 weeks, 2 days ago