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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Identifying Tombstones
Date Thu, 01 Jul 2010 14:07:52 GMT
http://wiki.apache.org/cassandra/FAQ#range_ghosts

On Thu, Jul 1, 2010 at 6:35 AM, Phil Stanhope <pstanhope@wimba.com> wrote:
> I understand that tombstones are internal implementation detail ... yet, the
> fact remains in 0.6.2 that a key/col creation followed by a delete of the
> key/col will result in the key being returned in a get_range_slices call. If
> the CF is flushed and compacted (after GCGraceSeconds), the key will not be
> returned in the get_range_slices call.
> David ... is this what you are referring to?
> Is there anyway to tell get_range_slices to return only keys that have a
> (any) column?
> -phil
> On Jul 1, 2010, at 9:03 AM, David Boxenhorn wrote:
>
> Great! Thanks!
>
>
> On Thu, Jul 1, 2010 at 3:40 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>
>> Tombstones are internal to Cassandra and are never sent to the client.
>>
>> On Thu, Jul 1, 2010 at 2:20 AM, David Boxenhorn <david@lookin2.com> wrote:
>> > I recently learned that when I get a key, I might get a tombstone.
>> >
>> > How can I know if a returned key is a tombstone? (I need to ignore them
>> > for
>> > my application.)
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of Riptano, the source for professional Cassandra support
>> http://riptano.com
>
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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