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=clu #3750 Update cluster specification

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* Based on Jonas' notes: https://gist.github.com/jboner/7692270
* Also removed "Future Extension" descriptions of cluster actor reference,
  since that is probably not the direction we are taking
This commit is contained in:
Patrik Nordwall 2014-02-04 15:51:08 +01:00
parent eb8a3b2c3e
commit 4fb22dec68
4 changed files with 88 additions and 79 deletions
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10
akka-docs/rst/java/cluster-usage.rst
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@ -238,7 +238,8 @@ Note that the ``TransformationFrontend`` actor watch the registered backend
to be able to remove it from its list of available backend workers.
Death watch uses the cluster failure detector for nodes in the cluster, i.e. it detects
network failures and JVM crashes, in addition to graceful termination of watched
actor.
actor. Death watch generates the ``Terminated`` message to the watching actor when the
unreachable cluster node has been downed and removed.
The `Typesafe Activator <http://typesafe.com/platform/getstarted>`_ tutorial named
`Akka Cluster Samples with Java <http://typesafe.com/activator/template/akka-sample-cluster-java>`_.
@ -377,9 +378,10 @@ This is how the curve looks like for ``acceptable-heartbeat-pause`` configured t
.. image:: ../images/phi3.png
Death watch uses the cluster failure detector for nodes in the cluster, i.e. it
generates ``Terminated`` message from network failures and JVM crashes, in addition
to graceful termination of watched actor.
Death watch uses the cluster failure detector for nodes in the cluster, i.e. it detects
network failures and JVM crashes, in addition to graceful termination of watched
actor. Death watch generates the ``Terminated`` message to the watching actor when the
unreachable cluster node has been downed and removed.
If you encounter suspicious false positives when the system is under load you should
define a separate dispatcher for the cluster actors as described in :ref:`cluster_dispatcher_java`.