Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14065#discussion_r73418133
--- Diff: docs/running-on-yarn.md ---
@@ -461,15 +461,24 @@ To use a custom metrics.properties for the
application master and executors, upd
</td>
</tr>
<tr>
- <td><code>spark.yarn.security.tokens.${service}.enabled</code></td>
+ <td><code>spark.yarn.security.credentials.${service}.enabled</code></td>
<td><code>true</code></td>
<td>
- Controls whether to retrieve delegation tokens for non-HDFS services
when security is enabled.
- By default, delegation tokens for all supported services are retrieved
when those services are
+ Controls whether to obtain credentials for services when security is
enabled.
+ By default, credentials for all supported services are retrieved when
those services are
configured, but it's possible to disable that behavior if it somehow
conflicts with the
- application being run.
+ application being run. For the details please see
+ [Running in a Secure
Cluster](running-on-yarn.html#running-in-a-secure-cluster)
<p/>
- Currently supported services are: <code>hive</code>, <code>hbase</code>
+ Currently supported services are: <code>hdfs</code>, <code>hive</code>,
<code>hbase</code>
--- End diff --
This sentence is now a little misleading; should probably either not
mention this, or say that these are the built-in services.
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