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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-7149) Topology script should have some kind of timeout
Date Thu, 17 Feb 2011 18:55:24 GMT
Topology script should have some kind of timeout

                 Key: HADOOP-7149
                 URL: https://issues.apache.org/jira/browse/HADOOP-7149
             Project: Hadoop Common
          Issue Type: Improvement
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon

We've seen an issue where a custom topology script was hanging for some external reason. This
caused the NN to block during startup without any kind of clear indication what was going

We should consider adding a timeout for the topology script execution, or at least a timer
which triggers WARN or ERROR level messages if it takes longer than a few seconds.

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