Kihwal Lee created HDFS-7894:
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Summary: Rolling upgrade readiness is not updated in jmx until
query command is issued.
Key: HDFS-7894
URL: https://issues.apache.org/jira/browse/HDFS-7894
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Kihwal Lee
Priority: Critical
When rolling upgrade is started and a rollback image is created/uploaded, the
active NN does not update its {{rollingUpgradeInfo}} until it receives a query
command via RPC. This results in inconsistent info being showing up in the web
UI and its jmx page.
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