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  1. Hadoop HDFS
  2. HDFS-14952

Skip safemode if blockTotal is 0 in new NN

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      When new NN is installed, it spends 30-45 seconds in Safemode. When blockTotal is 0, it should be possible to short circuit safemode check in BlockManagerSafeMode::areThresholdsMet.

      https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerSafeMode.java#L571

        Attachments

        1. HDFS-14952.001.patch
          0.8 kB
          Xiaoqiao He
        2. HDFS-14952.002.patch
          2 kB
          Xiaoqiao He
        3. HDFS-14952.003.patch
          4 kB
          Xiaoqiao He

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              • Assignee:
                hexiaoqiao Xiaoqiao He
                Reporter:
                rajesh.balamohan Rajesh Balamohan
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                • Created:
                  Updated:
                  Resolved: