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https://issues.apache.org/jira/browse/ACCUMULO-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664200#comment-13664200
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Keith Turner commented on ACCUMULO-1256:
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bq. I like your point about being able to call "du" on the table in the trash
I just looked through TableOperations and did not see any other API calls that
should work w/ a table in trash. If anyone else can think of any other
exceptions, it would be nice to identify these now.
bq. do you have any ideas surrounding any other means of a user being able
differentiate between the tables in the client API?
Do you mean if the user calls listTrash() and they see trash-foo-2013052201-01
and trash-foo-2013052202-01, how would they know which foo to undelete? I was
thinking they would use the date.
bq. Are you thinking that trashed tables may still show up to some capacity in
the monitor?
I think users will need an easy way to see what is in trash and how much space
is used. This could be in the monitor, shell, or both. In the shell we could
possibly add a flag to the du command to analyze space usage by tables in the
trash. This would save the user the hassle of getting a list of tables in
trash and calling du. What other capabilities users will need to manage this
feature? It seems like a way to delete all tables in the trash would be
useful, a way to empty the trash.
> Add trash can for deleted tables
> --------------------------------
>
> Key: ACCUMULO-1256
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1256
> Project: Accumulo
> Issue Type: New Feature
> Reporter: Keith Turner
> Labels: gsoc2013, mentor, newbie
> Attachments: ACCUMULO-1256-proposal-01.html,
> ACCUMULO-1256-proposal-01.txt
>
>
> It may be useful to provide an optional trash feature. If this feature were
> enabled, then when a table is deleted it would go into the trash can. Tables
> that had been in the trash for a while could would eventually be deleted.
> Tables could be undeleted from the trash can.
> What would the API and shell commands look like? How would multiple tables
> in the trash can with the same name be handled in the API? Would/should per
> table properties and pertable permissions be preserved? Should these tables
> in the trash can show up in the monitor in some way?
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