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https://issues.apache.org/jira/browse/HADOOP-3694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617459#action_12617459
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Steve Loughran commented on HADOOP-3694:
----------------------------------------
changing the ipc node from 0:0:0:0 (all interfaces) to localhost in
src/test/hadoop-site.xml appears to help:
<property>
<name>dfs.datanode.ipc.address</name>
<value>localhost:50020</value>
<description>address for datanodes is always the localhost</description>
</property>
We'll see how long it takes tonight.
> if MiniDFS startup time could be improved, testing time would be reduced
> ------------------------------------------------------------------------
>
> Key: HADOOP-3694
> URL: https://issues.apache.org/jira/browse/HADOOP-3694
> Project: Hadoop Core
> Issue Type: Improvement
> Components: test
> Affects Versions: 0.19.0
> Reporter: Steve Loughran
>
> Its taking me 140 minutes to run a test build; looking into the test results
> its the 20s startup delay of every MiniDFS cluster that is slowing things
> down. If we could find out why it is taking so long and cut it down, every
> test case that relied on a cluster would be speeded up.
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