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f438aef9 Drastically speed up Errbit ... Browse Code »

Enable the identity map for Mongoid. This allows subsequent finds for
the same object to skip the DB and use an in-memory store of all
retrieved records.

In many cases this reduces the number of DB queries from _hundreds_ to a
few tens.

This is particularly noticable when showing lists of problems.
Previously each `problem.app` reference caused a Apo.find() using the
`app_id`, now it's an in-memory lookup.

2013-03-10 02:37:44 -0700

mongoid.mongolab.yml 258 Bytes

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# Mongoid Configuration for MongoLab on Heroku
# ===========================================
#
# Copy this file to config/mongoid.yml,
# commit it to your repo, then push to heroku.

production:
  uri: <%= ENV['MONGOLAB_URI'] %>
  identity_map_enabled: true