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Posted to hdfs-issues@hadoop.apache.org by "Rajesh Balamohan (Jira)" <ji...@apache.org> on 2019/11/04 14:59:00 UTC

[jira] [Created] (HDFS-14952) Skip safemode if blockSafe is 0 in new NN

Rajesh Balamohan created HDFS-14952:
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             Summary: Skip safemode if blockSafe is 0 in new NN
                 Key: HDFS-14952
                 URL: https://issues.apache.org/jira/browse/HDFS-14952
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
            Reporter: Rajesh Balamohan


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}}.



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