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From "Aleksandr Kovalenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-10568) Rolling Restart: batch size is fixed and cannot be changed
Date Fri, 17 Apr 2015 14:09:58 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-10568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksandr Kovalenko updated AMBARI-10568:
-----------------------------------------
    Description: 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".  (was: 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.)

> 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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