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Posted to dev@ambari.apache.org by "Aleksandr Kovalenko (JIRA)" <ji...@apache.org> on 2015/04/17 16:09:58 UTC
[jira] [Created] (AMBARI-10568) Rolling Restart: batch size is
fixed and cannot be changed
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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