Reduce memory consumption with a custom ActiveRecord attribute

• MemoryProfiler

  6 1,659 3.4 Ruby

  memory_profiler for ruby (by SamSaffron)

Our project has one endpoint which gets called quite often. So, I profiled it with memory profiler and saw a line pointing to hstore.rb.

• Ruby on Rails

  467 54,894 10.0 Ruby

  Ruby on Rails

  

That seemed interesting. Whenever an hstore value is fetched from the DB, it gets parsed there, ActiveRecord gets rid of quoting. In our project Hstore is used mainly for keeping translations. So, every record keeps identical keys in the Hstore column, something like this:

• InfluxDB

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