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From "eric (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1680) Atomic add and remove of authorizations
Date Wed, 29 Apr 2015 00:49:07 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518475#comment-14518475
] 

eric commented on ACCUMULO-1680:
--------------------------------

At this point, with the addition of the addauths command in the code base, it makes sense
to add a reciprocal deleteauths command.
Not sure I see the value in an atomic operation at this point.  That would involve adding
a new method to the security operations and a command that subsumes addauths (something like
alterauths).

> Atomic add and remove of authorizations
> ---------------------------------------
>
>                 Key: ACCUMULO-1680
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1680
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: client, master, shell
>            Reporter: Chad Hardin
>            Priority: Minor
>              Labels: newbie, summit2015
>             Fix For: 1.8.0
>
>
> Currently, adding and removing an auth presents a race condition because of the two separate
calls required to get, modify, then set the authorizations for a user.  
> Instead, it should be possible to add or remove one or more auths without there being
a race condition.
> I also propose adding two new commands to the shell to expose this functionality.  
> It appears to be that this is not a difficult feature to add, by making use of  ZooReaderWriter.mutate()
in the FATE packages.  I think the bulk of the work will be in changing the various interfaces
(shell and programmatically) to expose this functionality.
> I would like to do this work and I'm a accumulo newbie, so any guidance would be appreciated.



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