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=doc explain parallelism-max in more detail

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Konrad Malawski 2015-10-15 11:01:10 +02:00
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10
akka-docs/rst/java/dispatchers.rst
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@ -1,7 +1,7 @@
.. _dispatchers-java: .. _dispatchers-java:
Dispatchers Dispatchers
=================== ===========
An Akka ``MessageDispatcher`` is what makes Akka Actors "tick", it is the engine of the machine so to speak. An Akka ``MessageDispatcher`` is what makes Akka Actors "tick", it is the engine of the machine so to speak.
All ``MessageDispatcher`` implementations are also an ``ExecutionContext``, which means that they can be used All ``MessageDispatcher`` implementations are also an ``ExecutionContext``, which means that they can be used
@ -34,6 +34,12 @@ is to configure the dispatcher:
.. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-dispatcher-config .. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-dispatcher-config
.. note::
Note that the ``parallelism-max`` does not set the upper bound on the total number of threads
allocated by the ForkJoinPool. It is a setting specifically talking about the number of *hot*
threads the pool keep running in order to reduce the latency of handling a new incoming task.
You can read more about parallelism in the JDK's `ForkJoinPool documentation`_.
And here's another example that uses the "thread-pool-executor": And here's another example that uses the "thread-pool-executor":
.. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-thread-pool-dispatcher-config .. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-thread-pool-dispatcher-config
@ -58,6 +64,8 @@ of programmatically provided parameter.
So in this example it's a top-level section, but you could for instance put it as a sub-section, So in this example it's a top-level section, but you could for instance put it as a sub-section,
where you'd use periods to denote sub-sections, like this: ``"foo.bar.my-dispatcher"`` where you'd use periods to denote sub-sections, like this: ``"foo.bar.my-dispatcher"``
.. _ForkJoinPool documentation: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ForkJoinPool.html
Types of dispatchers Types of dispatchers
-------------------- --------------------

10
akka-docs/rst/scala/dispatchers.rst
View file

@ -1,7 +1,7 @@
.. _dispatchers-scala: .. _dispatchers-scala:
Dispatchers Dispatchers
=================== ===========
An Akka ``MessageDispatcher`` is what makes Akka Actors "tick", it is the engine of the machine so to speak. An Akka ``MessageDispatcher`` is what makes Akka Actors "tick", it is the engine of the machine so to speak.
All ``MessageDispatcher`` implementations are also an ``ExecutionContext``, which means that they can be used All ``MessageDispatcher`` implementations are also an ``ExecutionContext``, which means that they can be used
@ -34,6 +34,12 @@ is to configure the dispatcher:
.. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-dispatcher-config .. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-dispatcher-config
.. note::
Note that the ``parallelism-max`` does not set the upper bound on the total number of threads
allocated by the ForkJoinPool. It is a setting specifically talking about the number of *hot*
threads the pool keep running in order to reduce the latency of handling a new incoming task.
You can read more about parallelism in the JDK's `ForkJoinPool documentation`_.
And here's another example that uses the "thread-pool-executor": And here's another example that uses the "thread-pool-executor":
.. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-thread-pool-dispatcher-config .. includecode:: ../scala/code/docs/dispatcher/DispatcherDocSpec.scala#my-thread-pool-dispatcher-config
@ -58,6 +64,8 @@ of programmatically provided parameter.
So in this example it's a top-level section, but you could for instance put it as a sub-section, So in this example it's a top-level section, but you could for instance put it as a sub-section,
where you'd use periods to denote sub-sections, like this: ``"foo.bar.my-dispatcher"`` where you'd use periods to denote sub-sections, like this: ``"foo.bar.my-dispatcher"``
.. _ForkJoinPool documentation: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ForkJoinPool.html
Types of dispatchers Types of dispatchers
-------------------- --------------------