Github user skonto commented on a diff in the pull request:
https://github.com/apache/spark/pull/21378#discussion_r191166657
--- Diff: docs/running-on-mesos.md ---
@@ -753,6 +753,16 @@ See the [configuration page](configuration.html) for
information on Spark config
<code>spark.cores.max</code> is reached
</td>
</tr>
++<tr>
+ <td><code>spark.mesos.appJar.local.resolution.mode</code></td>
+ <td><code>host</code></td>
+ <td>
+ Provides support for the local:/// scheme to reference the app jar
resource in cluster mode.
+ If user uses a local resource (local:///path/to/jar) and the config
option is not used it defaults to `host` eg. the mesos fetcher tries to get the
resource from the host's file system.
+ If the value is unknown it prints a warning msg in the dispatcher logs
and defaults to host.
+ If the user uses container value then spark submit in the container will
use the jar in the container's path: /path/to/jar.
--- End diff --
Sure.
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