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https://issues.apache.org/jira/browse/KNOX-1359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16625297#comment-16625297
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Kevin Risden commented on KNOX-1359:
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If Ambari is used to deploy Knox, the default is also true. Ambari should also
change the default to false.
The other side affect of this log is that it doesn't roll. It appends to
gateway.out (I think from memory) and isn't part of the regular log4j rolling.
> Disable kerberos debugging by default
> -------------------------------------
>
> Key: KNOX-1359
> URL: https://issues.apache.org/jira/browse/KNOX-1359
> Project: Apache Knox
> Issue Type: Improvement
> Components: Server
> Affects Versions: 1.1.0
> Reporter: Kevin Minder
> Priority: Major
>
> By default Knox installs with kerberos debugging enabled. There is actually
> a fair amount of logging that occurs as a result of this setting. This has
> lead to several cases of exhausting disk space especially with the use
> various Hive and Phoenix JDBC drivers which can be very chatty.
> I propose changing the default of sun.security.krb5.debug in gateway-site.xml
> to false.
> See:
> https://community.hortonworks.com/articles/74449/knox-gatewayout-file-is-filling-up-disk-space.html
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