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From Kallin Nagelberg <kallin.nagelb...@gmail.com>
Subject Re: time to live rows
Date Tue, 08 Feb 2011 15:11:35 GMT
So the empty row will be ultimately removed then? Is there a way to
for the GC to verify this?

Thanks,
-Kal

On Tue, Feb 8, 2011 at 2:21 AM, Stu Hood <stuhood@gmail.com> wrote:
> The expired columns were converted into tombstones, which will live for the
> GC timeout. The "empty" row will be cleaned up when those tombstones are
> removed.
> Returning the empty row is unfortunate... we'd love to find a more
> appropriate solution that might not involve endless scanning.
> See
> http://wiki.apache.org/cassandra/FAQ#i_deleted_what_gives
> http://wiki.apache.org/cassandra/FAQ#range_ghosts
>
> On Mon, Feb 7, 2011 at 1:49 PM, Kallin Nagelberg
> <kallin.nagelberg@gmail.com> wrote:
>>
>> I also tried forcing a major compaction on the column family using JMX
>> but the row remains.
>>
>> On Mon, Feb 7, 2011 at 4:43 PM, Kallin Nagelberg
>> <kallin.nagelberg@gmail.com> wrote:
>> > I tried that but I still see the row coming back on a list
>> > <columnfamily> in the CLI. My concern is that there will be a pointer
>> > to an empty row for all eternity.
>> >
>> > -Kal
>> >
>> > On Mon, Feb 7, 2011 at 4:38 PM, Aaron Morton <aaron@thelastpickle.com>
>> > wrote:
>> >> Deleting all the columns in a row via TTL has the same affect as
>> >> deleting th
>> >> row, the data will physically by removed during compaction.
>> >>
>> >> Aaron
>> >>
>> >>
>> >> On 08 Feb, 2011,at 10:24 AM, Bill Speirs <bill.speirs@gmail.com> wrote:
>> >>
>> >> I don't think this is supported (but I could be completely wrong).
>> >> However, I'd love to see this functionality as well.
>> >>
>> >> How would one go about requesting such a feature?
>> >>
>> >> Bill-
>> >>
>> >> On Mon, Feb 7, 2011 at 4:15 PM, Kallin Nagelberg
>> >> <kallin.nagelberg@gmail.com> wrote:
>> >>> Hey,
>> >>>
>> >>> I have read about the new TTL columns in Cassandra 0.7. In my case I'd
>> >>> like to expire an entire row automatically after a certain amount of
>> >>> time. Is this possible as well?
>> >>>
>> >>> Thanks,
>> >>> -Kal
>> >>>
>> >>
>> >
>
>

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