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Editorial Team
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Asked: 2026-05-28T01:32:44+00:00

I have a Rails app that uses MongoDb on the back. I have these

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I have a Rails app that uses MongoDb on the back. I have these messages that say MONGODB [WARNING] Please note that logging negatively impacts client-side performance. You should set your logging level no lower than :info in production in my logs. OK, I never worried about it but decided to look it up just now.

This page on the mongo site doesn’t really discuss logging levels, but it does discuss -v vs -vvvv for verbosity. Is that the same thing as log level? As in -vvvvv is the same as a debug log level and -v is the same as an error log level? The docs are very unclear on this topic.

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1 Answer

  1. Editorial Team

    Logging levels refer to rails logging levels whereas the -v flag refers to verbosity.

    Rails automatically sets the logging level higher in production than when in development so you shouldn’t have anything to worry about.

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