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Editorial Team
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Asked: 2026-05-27T14:05:26+00:00

In my rails app I’m using mongoid and in the logs before pretty much

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In my rails app I’m using mongoid and in the logs before pretty much every query, even on the same request, it also does

MONGODB dbname['system.namespaces'].find({})

What is this doing? Is this a performance concern? Can I somehow cache so it doesn’t have to do this all the time or at least stop it from clogging up the logs?

Edit: Here’s the relevant portion of the log

Processing by FilesController#new as HTML
Started GET "/" for 127.0.0.1 at Fri Sep 09 15:59:43 -0700 2011
[Barista] Compiling all scripts for barista
[Barista] Compiling all coffeescripts
[Barista] Copying all javascripts
MONGODB db['system.namespaces'].find({})
MONGODB db['users'].find({:_id=>BSON::ObjectId('4e6a949935d3e9726b000001')})
MONGODB db['system.namespaces'].find({})
MONGODB db['files'].find({:token=>"nonssb38"})
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1 Answer

  1. Editorial Team

    This happens in Mongoid until 3.0 comes up. Notice that this only happens in development mode, so it’s not much of a big deal.

    References:

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