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From Angus He <angu...@gmail.com>
Subject Re: row lost after add-delete-add operation
Date Fri, 16 Jul 2010 02:04:34 GMT
Thanks for the info, JG.

On Thu, Jul 15, 2010 at 11:24 PM, Jonathan Gray <jgray@facebook.com> wrote:
> This is not a problem with the KeyValueSkipListSet but rather it is the delete tombstone
continuing to override any Puts with a timestamp <= to the deleted stamp.
>
> Check out this blog post for details on this:
>
> http://outerthought.org/blog/blog/417-OTC.html
>
> (man this thing is coming in handy, great work bruno)
>
> JG
>
>> -----Original Message-----
>> From: Angus He [mailto:angushe@gmail.com]
>> Sent: Thursday, July 15, 2010 3:43 AM
>> To: user@hbase.apache.org
>> Subject: row lost after add-delete-add operation
>>
>> Suppose we have a row : row1, cf1:q1, value1, timestamp1.
>>
>> After the add-delete-add operation sequence on the same row,  the row
>> lost.
>>
>> It seems that it was KeyValueSkipListSet in class MemStore ignored the
>> last add operation.
>> I would like to know what is the purpose of KeyValueSkipListSet,
>> is it possible to replace KeyValueSkipListSet with a multi-value set
>> implementation?
>>
>>
>>
>> --
>> Regards
>> Angus
>



-- 
Regards
Angus

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