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Diffstat (limited to 'docs/running-on-yarn.md')
| -rw-r--r-- | docs/running-on-yarn.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/running-on-yarn.md b/docs/running-on-yarn.md index 0362f5a223..573930dbf4 100644 --- a/docs/running-on-yarn.md +++ b/docs/running-on-yarn.md @@ -106,6 +106,13 @@ Most of the configs are the same for Spark on YARN as for other deployment modes set this configuration to "hdfs:///some/path". </td> </tr> +<tr> + <td><code>spark.yarn.access.namenodes</code></td> + <td>(none)</td> + <td> + A list of secure HDFS namenodes your Spark application is going to access. For example, `spark.yarn.access.namenodes=hdfs://nn1.com:8032,hdfs://nn2.com:8032`. The Spark application must have acess to the namenodes listed and Kerberos must be properly configured to be able to access them (either in the same realm or in a trusted realm). Spark acquires security tokens for each of the namenodes so that the Spark application can access those remote HDFS clusters. + </td> +</tr> </table> # Launching Spark on YARN |