Removing all but the FileBasedDurableMailbox from the docs
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Viktor Klang
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1 changed files with 2 additions and 128 deletions
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@ -27,27 +27,11 @@ it, that the message could be lost.
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has crashed and then restarted, the thread that was blocked waiting for the
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reply is gone and there is no way we can deliver the message.
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The durable mailboxes currently supported are:
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The durable mailboxes supported out-of-the-box are:
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- ``FileBasedMailbox`` -- backed by a journaling transaction log on the local file system
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- ``RedisBasedMailbox`` -- backed by Redis
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- ``ZooKeeperBasedMailbox`` -- backed by ZooKeeper
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- ``BeanstalkBasedMailbox`` -- backed by Beanstalkd
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- ``MongoBasedMailbox`` -- backed by MongoDB
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We'll walk through each one of these in detail in the sections below.
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You can easily implement your own mailbox. Look at the existing implementations for inspiration.
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We are also discussing adding some of these durable mailboxes:
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- ``AmqpBasedMailbox`` -- AMQP based mailbox (default RabbitMQ)
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- ``JmsBasedMailbox`` -- JMS based mailbox (default ActiveMQ)
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- ``CassandraBasedMailbox`` -- Cassandra based mailbox
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- ``CamelBasedMailbox`` -- Camel based mailbox
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- ``SqlBasedMailbox`` -- SQL based mailbox for general RDBMS (Postgres, MySQL, Oracle etc.)
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Let us know if you have a wish for a certain priority order.
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You can easily implement your own mailbox. Look at the existing implementation for inspiration.
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.. _DurableMailbox.General:
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@ -105,113 +89,3 @@ the ``akka.actor.mailbox.file-based`` section in the :ref:`configuration`.
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.. literalinclude:: ../../akka-durable-mailboxes/akka-file-mailbox/src/main/resources/reference.conf
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:language: none
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Redis-based durable mailbox
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===========================
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This mailbox is backed by a Redis queue. `Redis <http://redis.io>`_ Is a very
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fast NOSQL database that has a wide range of data structure abstractions, one of
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them is a queue which is what we are using in this implementation. This means
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that you have to start up a Redis server that can host these durable
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mailboxes. Read more in the Redis documentation on how to do that.
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You configure durable mailboxes through the dispatcher, as described in
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:ref:`DurableMailbox.General` with the following mailbox type.
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Config::
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my-dispatcher {
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mailbox-type = akka.actor.mailbox.RedisBasedMailboxType
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}
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You also need to configure the IP and port for the Redis server. This is done in
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the ``akka.actor.mailbox.redis`` section in the :ref:`configuration`.
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.. literalinclude:: ../../akka-durable-mailboxes/akka-redis-mailbox/src/main/resources/reference.conf
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:language: none
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ZooKeeper-based durable mailbox
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===============================
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This mailbox is backed by `ZooKeeper <http://zookeeper.apache.org/>`_. ZooKeeper
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is a centralized service for maintaining configuration information, naming,
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providing distributed synchronization, and providing group services This means
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that you have to start up a ZooKeeper server (for production a ZooKeeper server
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ensemble) that can host these durable mailboxes. Read more in the ZooKeeper
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documentation on how to do that.
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You configure durable mailboxes through the dispatcher, as described in
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:ref:`DurableMailbox.General` with the following mailbox type.
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Config::
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my-dispatcher {
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mailbox-type = akka.actor.mailbox.ZooKeeperBasedMailboxType
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}
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You also need to configure ZooKeeper server addresses, timeouts, etc. This is
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done in the ``akka.actor.mailbox.zookeeper`` section in the :ref:`configuration`.
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.. literalinclude:: ../../akka-durable-mailboxes/akka-zookeeper-mailbox/src/main/resources/reference.conf
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:language: none
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Beanstalk-based durable mailbox
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===============================
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This mailbox is backed by `Beanstalkd <http://kr.github.com/beanstalkd/>`_.
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Beanstalk is a simple, fast work queue. This means that you have to start up a
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Beanstalk server that can host these durable mailboxes. Read more in the
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Beanstalk documentation on how to do that.
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You configure durable mailboxes through the dispatcher, as described in
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:ref:`DurableMailbox.General` with the following mailbox type.
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Config::
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my-dispatcher {
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mailbox-type = akka.actor.mailbox.BeanstalkBasedMailboxType
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}
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You also need to configure the IP, and port, and so on, for the Beanstalk
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server. This is done in the ``akka.actor.mailbox.beanstalk`` section in the
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:ref:`configuration`.
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.. literalinclude:: ../../akka-durable-mailboxes/akka-beanstalk-mailbox/src/main/resources/reference.conf
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:language: none
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MongoDB-based Durable Mailboxes
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===============================
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This mailbox is backed by `MongoDB <http://mongodb.org>`_.
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MongoDB is a fast, lightweight and scalable document-oriented database. It contains a number of
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features cohesive to a fast, reliable & durable queueing mechanism which the Akka Mailbox takes advantage of.
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Akka's implementations of MongoDB mailboxes are built on top of the purely asynchronous MongoDB driver
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(often known as `Hammersmith <http://github.com/bwmcadams/hammersmith>`_ and ``com.mongodb.async``)
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and as such are purely callback based with a Netty network layer. This makes them extremely fast &
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lightweight versus building on other MongoDB implementations such as
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`mongo-java-driver <http://github.com/mongodb/mongo-java-driver>`_ and `Casbah <http://github.com/mongodb/casbah>`_.
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You configure durable mailboxes through the dispatcher, as described in
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:ref:`DurableMailbox.General` with the following mailbox type.
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Config::
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my-dispatcher {
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mailbox-type = akka.actor.mailbox.MongoBasedMailboxType
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}
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You will need to configure the URI for the MongoDB server, using the URI Format specified in the
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`MongoDB Documentation <http://www.mongodb.org/display/DOCS/Connections>`_. This is done in
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the ``akka.actor.mailbox.mongodb`` section in the :ref:`configuration`.
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.. literalinclude:: ../../akka-durable-mailboxes/akka-mongo-mailbox/src/main/resources/reference.conf
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:language: none
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You must specify a hostname (and optionally port) and at *least* a Database name. If you specify a
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collection name, it will be used as a 'prefix' for the collections Akka creates to store mailbox messages.
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Otherwise, collections will be prefixed with ``mailbox.``
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It is also possible to configure the timeout thresholds for Read and Write operations in the ``timeout`` block.
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