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Storm integration with the Mesos cluster resource manager. This runs in production within Twitter.

Prebuilt Storm/Mesos releases are available from the downloads page.

To use a release, you first need to unpack the distribution, fill in configurations listed below into the conf/storm.yaml file, and then repack the distribution.

Be sure to use Mesos as of this commit, as prior versions of Mesos had some bugs.

Along with the Mesos master and Mesos cluster, you'll need to run the Storm master as well. Launch Nimbus with this command:

bin/storm-mesos nimbus

It's recommended that you also run the UI on the same machine as Nimbus via the following command:

bin/storm ui

There's a minor bug in the UI where it displays the number of slots in the cluster – you don't need to worry about this.

Topologies are submitted to a Storm/Mesos cluster the exact same way they are submitted to a regular Storm cluster.

Storm/Mesos provides resource isolation between topologies. So you don't need to worry about topologies interfering with one another.

Native libraries

The distribution comes with ZeroMQ bundled in the native/ dir. These are built for Linux. If running on a different platform, you should replace these with appropriately built ZeroMQ binaries. Or, you can install them on each worker machine and use the configuration to point Storm to the correct binaries (see below).

Mandatory configurations:

  1. mesos.executor.uri: Once you fill in the configs and repack the distribution, you need to place the distribution somewhere where Mesos executors can find it. Typically this is on HDFS, and this config is the location of where you put the distibution.
  2. mesos.master.url: URL for the Mesos master.
  3. java.library.path: Needs the location of the ZeroMQ libs and the Mesos native libraries. The Storm/Mesos distribution comes with the native ZeroMQ libraries in the "native" folder (for Linux). This config is typically set to "native:{location of mesos native libs}"
  4. storm.zookeeper.servers: The location of the Zookeeper servers to be used by the Storm master.
  5. nimbus.host: The hostname of where you run Nimbus.

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Run Storm on top of the Mesos cluster resource manager

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