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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-945) Make NameNode resilient to DoS attacks (malicious or otherwise)
Date Tue, 29 Jul 2014 23:16:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved HDFS-945.
-----------------------------------

    Resolution: Duplicate

I'm going to dupe this to HADOOP-9194.

> Make NameNode resilient to DoS attacks (malicious or otherwise)
> ---------------------------------------------------------------
>
>                 Key: HDFS-945
>                 URL: https://issues.apache.org/jira/browse/HDFS-945
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Arun C Murthy
>
> We've seen defective applications cause havoc on the NameNode, for e.g. by doing 100k+
'listStatus' on very large directories (60k files) etc.
> I'd like to start a discussion around how we prevent such, and possibly malicious applications
in the future, taking down the NameNode.
> Thoughts?



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