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  1. Spark
  2. SPARK-11020

HistoryServer fails to come up if HDFS takes too long to come out of safe mode

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.5.1, 1.6.0
    • Fix Version/s: 1.6.0
    • Component/s: Spark Core
    • Labels:
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      Description

      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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            • Assignee:
              vanzin Marcelo Masiero Vanzin
              Reporter:
              vanzin Marcelo Masiero Vanzin
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                Updated:
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