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https://issues.apache.org/jira/browse/SPARK-11020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcelo Vanzin resolved SPARK-11020.
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Resolution: Fixed
Assignee: Marcelo Vanzin
Fix Version/s: 1.6.0
> HistoryServer fails to come up if HDFS takes too long to come out of safe mode
> ------------------------------------------------------------------------------
>
> Key: SPARK-11020
> URL: https://issues.apache.org/jira/browse/SPARK-11020
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.5.1, 1.6.0
> Reporter: Marcelo Vanzin
> Assignee: Marcelo Vanzin
> Fix For: 1.6.0
>
>
> When HDFS is starting up, it starts in safe mode until the NN is able to read
> the whole fs image and initialize everything. For a really large NN that can
> take a while.
> If the HS is started at the same time, it may give up trying to check whether
> the event log directory exists, and exit. That's a little sub-optimal; the HS
> could wait until HDFS came out of safe mode instead.
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