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Diffstat (limited to 'docs/running-on-mesos.md')
| -rw-r--r-- | docs/running-on-mesos.md | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/docs/running-on-mesos.md b/docs/running-on-mesos.md index 594bf78b67..8f53d8201a 100644 --- a/docs/running-on-mesos.md +++ b/docs/running-on-mesos.md @@ -78,6 +78,9 @@ To verify that the Mesos cluster is ready for Spark, navigate to the Mesos maste To use Mesos from Spark, you need a Spark binary package available in a place accessible by Mesos, and a Spark driver program configured to connect to Mesos. +Alternatively, you can also install Spark in the same location in all the Mesos slaves, and configure +`spark.mesos.executor.home` (defaults to SPARK_HOME) to point to that location. + ## Uploading Spark Package When Mesos runs a task on a Mesos slave for the first time, that slave must have a Spark binary @@ -107,7 +110,11 @@ the `make-distribution.sh` script included in a Spark source tarball/checkout. The Master URLs for Mesos are in the form `mesos://host:5050` for a single-master Mesos cluster, or `mesos://zk://host:2181` for a multi-master Mesos cluster using ZooKeeper. -The driver also needs some configuration in `spark-env.sh` to interact properly with Mesos: +## Client Mode + +In client mode, a Spark Mesos framework is launched directly on the client machine and waits for the driver output. + +The driver needs some configuration in `spark-env.sh` to interact properly with Mesos: 1. In `spark-env.sh` set some environment variables: * `export MESOS_NATIVE_JAVA_LIBRARY=<path to libmesos.so>`. This path is typically @@ -129,8 +136,7 @@ val sc = new SparkContext(conf) {% endhighlight %} (You can also use [`spark-submit`](submitting-applications.html) and configure `spark.executor.uri` -in the [conf/spark-defaults.conf](configuration.html#loading-default-configurations) file. Note -that `spark-submit` currently only supports deploying the Spark driver in `client` mode for Mesos.) +in the [conf/spark-defaults.conf](configuration.html#loading-default-configurations) file.) When running a shell, the `spark.executor.uri` parameter is inherited from `SPARK_EXECUTOR_URI`, so it does not need to be redundantly passed in as a system property. @@ -139,6 +145,17 @@ it does not need to be redundantly passed in as a system property. ./bin/spark-shell --master mesos://host:5050 {% endhighlight %} +## Cluster mode + +Spark on Mesos also supports cluster mode, where the driver is launched in the cluster and the client +can find the results of the driver from the Mesos Web UI. + +To use cluster mode, you must start the MesosClusterDispatcher in your cluster via the `sbin/start-mesos-dispatcher.sh` script, +passing in the Mesos master url (e.g: mesos://host:5050). + +From the client, you can submit a job to Mesos cluster by running `spark-submit` and specifying the master url +to the url of the MesosClusterDispatcher (e.g: mesos://dispatcher:7077). You can view driver statuses on the +Spark cluster Web UI. # Mesos Run Modes |