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Jean Boussier 540d2f41f6 Introduce ActiveSupport::IsolatedExecutionState for internal use 
Many places in Active Support and Rails in general use `Thread.current#[]`
to store "request (or job) local data". This often cause problems with
`Enumerator` because it runs in a different fiber.

On the other hand, some places migrated to `Thread#thread_variable_get`
which cause issues with fiber based servers (`falcon`).

Based on this, I believe the isolation level should be an application
configuration.

For backward compatibility it could ship with `:fiber` isolation as a default
but longer term :thread would make more sense as it would work fine for
all deployment targets except falcon.

Ref: https://github.com/rails/rails/pull/38905
Ref: https://github.com/rails/rails/pull/39428
Ref: https://github.com/rails/rails/pull/34495
(and possibly many others)
 		2021-11-18 15:55:15 +01:00
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lib Introduce ActiveSupport::IsolatedExecutionState for internal use 2021-11-18 15:55:15 +01:00
test Introduce ActiveSupport::IsolatedExecutionState for internal use 2021-11-18 15:55:15 +01:00
.gitignore
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CHANGELOG.md Support `Object#with_options` without a block 2021-11-15 17:00:36 -05:00
MIT-LICENSE
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README.rdoc
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Rakefile
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activesupport.gemspec Fix gemspec 2021-11-15 21:06:21 +00:00

README.rdoc 

= Active Support -- Utility classes and Ruby extensions from Rails

Active Support is a collection of utility classes and standard library
extensions that were found useful for the Rails framework. These additions
reside in this package so they can be loaded as needed in Ruby projects
outside of Rails.

You can read more about the extensions in the {Active Support Core Extensions}[https://edgeguides.rubyonrails.org/active_support_core_extensions.html] guide.

== Download and installation

The latest version of Active Support can be installed with RubyGems:

  $ gem install activesupport

Source code can be downloaded as part of the Rails project on GitHub:

* https://github.com/rails/rails/tree/main/activesupport


== License

Active Support is released under the MIT license:

* https://opensource.org/licenses/MIT


== Support

API documentation is at:

* https://api.rubyonrails.org

Bug reports for the Ruby on Rails project can be filed here:

* https://github.com/rails/rails/issues

Feature requests should be discussed on the rails-core mailing list here:

* https://discuss.rubyonrails.org/c/rubyonrails-core