On large results of ActiveRecord queries, instanciation + GC of objects has a real cost of allocating memory, setting values, and after all GC garbage ... Inside a without_instanciation block, data is returned as hash of values. Objects instanciation process id skipped and though GC of theses objects too. Performance up to 80% for large query result. Of course, you no longer work with Ruby AR objects in this block.

Rubygem without_instanciation

Total Downloads
Current Version
2012-02-28 00:00:00 UTC
First Release
2012-02-28 00:00:00 UTC
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