Aleksandr Kovalenko created AMBARI-10568:
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Summary: Rolling Restart: batch size is fixed and cannot be changed
Key: AMBARI-10568
URL: https://issues.apache.org/jira/browse/AMBARI-10568
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: 2.1.0
Reporter: Aleksandr Kovalenko
Assignee: Aleksandr Kovalenko
Fix For: 2.1.0
Let the user set the batch size for datanodes > # of slaves and don't show the
warning. If they do, it just restarts all. Always recommend "1", and if greater
than 1 is entered, show the new warning ""Restarting more than one DataNode at
a time is not recommended. Doing so can lead to data unavailability and/or
possible loss of data being actively written to HFDS.
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