Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase >> mail # user >> Empty a table


Copy link to this message
-
Re: Empty a table
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