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PR Betterment#42 inadvertently flipped the order of `:thread` and `:perform`, and also pushed `:thread` far enough in that cleanup steps would happen after the `with_connection`'s `end` block in the connection plugin. This introduces the possibility of thread safety issues, or connections being held longer than intended (exhausting the connection pool / connection limits).
smudge
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Apr 2, 2025
| pool = Concurrent::FixedThreadPool.new(jobs.length) | ||
| jobs.each do |job| | ||
| pool.post do | ||
| success.increment if run_job(job) |
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If you notice, run_job actually triggers the :perform callbacks before calling run, which triggers :thread.
This was never intended, and to reduce confusion, more callbacks have been fully inlined, and the methods have been reduced to a single perform(job) method.
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I'm adding regression coverage for the changes made in #53, and making one additional change in line with the way that the `:perform` callback [works in the `delayed_job` gem](https://github.com/collectiveidea/delayed_job/blob/ea4879dd3c2f3f5aa7f616a6f0fd58f2bbc2a481/lib/delayed/worker.rb#L313) - there is also now a test that will more explicitly check the order of callback events and behavior on job failure. Plus, while debugging in an app, I noticed that datadog tries to cast priority to a float, which was raising a method undefined error. So I added `Delayed::Priority#to_f` and added a test to cover all the explicit conversion methods (`to_s`, `to_i`, `to_f`, `to_d`).
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PR #42 inadvertently flipped the order of
:threadand:perform, and also pushed:threadfar enough in that cleanup steps would happen after thewith_connection'sendblock in the connection plugin.This introduces the possibility of thread safety issues, or connections being held longer than intended (exhausting the connection pool / connection limits).