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Merge pull request #50664 from ghiculescu/global_executor_concurrency-example 

Add an example to the `global_executor_concurrency` docs
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Jean Boussier 2024-01-10 08:51:16 +01:00 committed by GitHub
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guides/source/configuring.md
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@ -1481,8 +1481,12 @@ queries can be executed concurrently.
Defaults to `4`.
This number must be considered in accordance with the database pool size configured in `database.yml`. The connection pool
should be large enough to accommodate both the foreground threads (.e.g web server or job worker threads) and background threads.
This number must be considered in accordance with the database connection pool size configured in `database.yml`. The connection pool
should be large enough to accommodate both the foreground threads (ie. web server or job worker threads) and background threads.
For each process, Rails will create one global query executor that uses this many threads to process async queries. Thus, the pool size
should be at least `thread_count + global_executor_concurrency + 1`. For example, if your web server has a maximum of 3 threads,
and `global_executor_concurrency` is set to 4, then your pool size should be at least 8.
#### `config.active_record.allow_deprecated_singular_associations_name`