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HBase, mail # user - Empty a table


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Jean-Marc Spaggiari 2013-02-05, 16:13
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Ted Yu 2013-02-05, 17:28
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Tianying Chang 2013-02-05, 17:37
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Kevin Odell 2013-02-05, 17:38
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Ted Yu 2013-02-05, 17:40
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Jean-Marc Spaggiari 2013-02-05, 17:43
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Andrew Purtell 2013-02-05, 18:36
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Michael Segel 2013-02-07, 19:16
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Re: Empty a table
ramkrishna vasudevan 2013-02-08, 04:18
I would think that the ideal suggested by Tianyang Chang is good.  Though
we may have to disable the table.

Regards
Ram

On Fri, Feb 8, 2013 at 12:46 AM, Michael Segel <[EMAIL PROTECTED]>wrote:

> I think its more akin of the typical 'truncate' command.
>
> Actually, if someone wanted to extend HBase Shell, I would imagine a
> simple Ruby er JRuby script could do this? (You would want to disable the
> table first)
>
> Just a thought.
>
> On Feb 5, 2013, at 12:36 PM, Andrew Purtell <[EMAIL PROTECTED]> wrote:
>
> > If there is a time consideration here, perhaps you want to do this
> because
> > the data isn't interesting after some time interval has elapsed but the
> > keyspace for new entries will be similar -- then consider using TTLs.
> It's
> > easy and they will do what you want, garbage collecting useless data
> while
> > not changing region boundaries.
> >
> > On Tuesday, February 5, 2013, Jean-Marc Spaggiari wrote:
> >
> >> Nive to see that it's already in progress ;)
> >>
> >> Tian-Ying, thanks for the idea. I will most probably give it a try!
> >>
> >> JM
> >>
> >> 2013/2/5, Ted Yu <[EMAIL PROTECTED] <javascript:;>>:
> >>> Looks like a little polishing would make the tool available in 0.96 :-)
> >>>
> >>> On Tue, Feb 5, 2013 at 9:38 AM, Kevin O'dell
> >>> <[EMAIL PROTECTED] <javascript:;>>wrote:
> >>>
> >>>> I am a bad person, but I have that JIRA in my name.  I need to make
> the
> >>>> patch pretty.
> >>>>
> >>>> https://issues.apache.org/jira/browse/HBASE-5525
> >>>>
> >>>> There is a patch there that works, it is just not pretty.
> >>>>
> >>>> On Tue, Feb 5, 2013 at 12:28 PM, Ted Yu <[EMAIL PROTECTED]
> <javascript:;>>
> >> wrote:
> >>>>
> >>>>> To my knowledge there is no such tool.
> >>>>>
> >>>>> You can file a JIRA in case someone has bandwidth to work on such
> >> tool.
> >>>>>
> >>>>> Thanks
> >>>>>
> >>>>> On Tue, Feb 5, 2013 at 8:13 AM, Jean-Marc Spaggiari <
> >>>>> [EMAIL PROTECTED] <javascript:;>
> >>>>>> wrote:
> >>>>>
> >>>>>> Hi,
> >>>>>>
> >>>>>> Is there an easy way to empty a table but keep the regions? Truncate
> >>>>>> will remove everything even the splitting. But I want to keep the
> >>>>>> regions the way they are. I just want to clean them. Is there a
> >>>>>> simple
> >>>>>> way to do that with the shell or something like that?
> >>>>>>
> >>>>>> Thanks,
> >>>>>>
> >>>>>> JM
> >>>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> Kevin O'Dell
> >>>> Customer Operations Engineer, Cloudera
> >>>>
> >>>
> >>
> >
> >
> > --
> > Best regards,
> >
> >   - Andy
> >
> > Problems worthy of attack prove their worth by hitting back. - Piet Hein
> > (via Tom White)
>
> The opinions expressed here are mine, while they may reflect a cognitive
> thought, that is purely accidental.
> Use at your own risk.
> Michael Segel
> michael_segel (AT) hotmail.com
>
>
>
>
>
>
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Jean-Marc Spaggiari 2013-02-07, 19:10