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rails--rails/activesupport/test/concurrency
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Brent Wheeldon 1f9f6f6cfc
Prevent deadlocks with load interlock and DB lock. 
This fixes an issue where competing threads deadlock each other.

- Thread A holds the load interlock but is blocked on getting the DB lock
- Thread B holds the DB lock but is blocked on getting the load interlock (for example when there is a `Model.transaction` block that needs to autoload)

This solution allows for dependency loading in other threads while a thread is waiting to acquire the DB lock.

Fixes #31019
2017-11-09 10:46:01 -05:00
..
load_interlock_aware_monitor_test.rb Prevent deadlocks with load interlock and DB lock. 2017-11-09 10:46:01 -05:00