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https://issues.apache.org/jira/browse/METRON-833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966073#comment-15966073
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ASF GitHub Bot commented on METRON-833:
---------------------------------------
Github user nickwallen commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/520#discussion_r111185246
--- Diff: metron-deployment/vagrant/Kerberos-setup.md ---
@@ -251,6 +251,20 @@ KVNO Timestamp Principal
1 03/28/17 19:29:36 [email protected]
```
+#### Model as a Service on Kerberos
+
+MaaS works with kerberos, you have to remember to kinit with the metron
+user. There is one small issue out of the box, you get an error like so
+when running `$METRON_HOME/bin/maas_service.sh`:
+```
+Requested user metron is not whitelisted and has id 501,which is below the
minimum allowed 1000.
+```
+
+In order to avoid this, you should change the Yarn configuration in
+Ambari under "Advanced" and then "Advanced yarn-env" and adjust the
+"Minimum user ID for submitting job" to 500 from 1000. You should then
+restart Yarn.
+
--- End diff --
Can we change this to be a series of steps like our other instructions?
Maybe something along the lines of the following.
1. "Change the Yarn configuration..."
2. Kinit
3. Run `$METRON_HOME/bin/maas_service.sh`
> Update MaaS documentation to explain how it interacts with kerberos
> -------------------------------------------------------------------
>
> Key: METRON-833
> URL: https://issues.apache.org/jira/browse/METRON-833
> Project: Metron
> Issue Type: Improvement
> Reporter: Casey Stella
>
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