Zilong Zhu created HDFS-17402:
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Summary: StartupSafeMode should not exit when resources are from
low to available
Key: HDFS-17402
URL: https://issues.apache.org/jira/browse/HDFS-17402
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Zilong Zhu
After HDFS-17231, NameNode can exit safemode automatically when resources are
from low to available. It used
org.apache.hadoop.hdfs.server.namenode.FSNamesystem#leaveSafeMode, this
function will change BMSafeModeStatus. However, NameNode entering resource low
safe mode doesn't change BMSafeModeStatus in
org.apache.hadoop.hdfs.server.namenode.FSNamesystem#enterSafeMode. This is not
equal
So, I think StartupSafeMode should not exit when resources are from low to
available
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