diff options
Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/action_cable_overview.md | 20 | ||||
| -rw-r--r-- | guides/source/action_controller_overview.md | 2 | ||||
| -rw-r--r-- | guides/source/active_record_migrations.md | 3 | ||||
| -rw-r--r-- | guides/source/asset_pipeline.md | 2 | ||||
| -rw-r--r-- | guides/source/configuring.md | 3 |
5 files changed, 20 insertions, 10 deletions
diff --git a/guides/source/action_cable_overview.md b/guides/source/action_cable_overview.md index 8f5c44849a..7a9ff96c44 100644 --- a/guides/source/action_cable_overview.md +++ b/guides/source/action_cable_overview.md @@ -671,6 +671,21 @@ To configure the URL, add a call to `action_cable_meta_tag` in your HTML layout HEAD. This uses a URL or path typically set via `config.action_cable.url` in the environment configuration files. +### Worker Pool Configuration + +The worker pool is used to run connection callbacks and channel actions in +isolation from the server's main thread. Action Cable allows the application +to configure the number of simultaneously processed threads in the worker pool. + +```ruby +config.action_cable.worker_pool_size = 4 +``` + +Also, note that your server must provide at least the same number of database +connections as you have workers. The default worker pool size is set to 4, so +that means you have to make at least 4 database connections available. + You can change that in `config/database.yml` through the `pool` attribute. + ### Other Configurations The other common option to configure is the log tags applied to the @@ -688,11 +703,6 @@ config.action_cable.log_tags = [ For a full list of all configuration options, see the `ActionCable::Server::Configuration` class. -Also, note that your server must provide at least the same number of database -connections as you have workers. The default worker pool size is set to 4, so -that means you have to make at least that available. You can change that in -`config/database.yml` through the `pool` attribute. - ## Running Standalone Cable Servers ### In App diff --git a/guides/source/action_controller_overview.md b/guides/source/action_controller_overview.md index aa746e4731..d0d84251e4 100644 --- a/guides/source/action_controller_overview.md +++ b/guides/source/action_controller_overview.md @@ -212,7 +212,7 @@ class PeopleController < ActionController::Base end # This will pass with flying colors as long as there's a person key - # in the parameters, otherwise it'll raise a + # in the parameters, otherwise it'll raise an # ActionController::ParameterMissing exception, which will get # caught by ActionController::Base and turned into a 400 Bad # Request error. diff --git a/guides/source/active_record_migrations.md b/guides/source/active_record_migrations.md index 905c76e5c1..2c1796c464 100644 --- a/guides/source/active_record_migrations.md +++ b/guides/source/active_record_migrations.md @@ -496,9 +496,6 @@ NOTE: Active Record only supports single column foreign keys. `execute` and `structure.sql` are required to use composite foreign keys. See [Schema Dumping and You](#schema-dumping-and-you). -NOTE: The SQLite3 adapter doesn't support `add_foreign_key` since SQLite supports -only [a limited subset of ALTER TABLE](https://www.sqlite.org/lang_altertable.html). - Removing a foreign key is easy as well: ```ruby diff --git a/guides/source/asset_pipeline.md b/guides/source/asset_pipeline.md index e7faa5c330..9f8edea598 100644 --- a/guides/source/asset_pipeline.md +++ b/guides/source/asset_pipeline.md @@ -745,7 +745,7 @@ mapping requests back to Sprockets. A typical manifest file looks like: The default location for the manifest is the root of the location specified in `config.assets.prefix` ('/assets' by default). -NOTE: If there are missing precompiled files in production you will get an +NOTE: If there are missing precompiled files in production you will get a `Sprockets::Helpers::RailsHelper::AssetPaths::AssetNotPrecompiledError` exception indicating the name of the missing file(s). diff --git a/guides/source/configuring.md b/guides/source/configuring.md index e7129dd274..ad82614a0d 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -791,6 +791,9 @@ main application. You can set this as nil to not mount Action Cable as part of your normal Rails server. +You can find more detailed configuration options in the +[Action Cable Overview](action_cable_overview.html#configuration). + ### Configuring Active Storage |