On Thu, May 31, 2012 at 9:31 AM, Curt Allred <c...@mediosystems.com> wrote:

> No, these were not wide rows.  They are rows that formerly had one or 2
> columns. The columns are deleted but the empty rows dont go away, even
> after gc_grace_secs.
>

The empty row goes away only during a compaction after the gc_grace_secs.

You can set the gc_grace_secs as a little value and force major compaction
after the row is expired.  After then please check whether the row still
exists.


> ****
>
> ** **
>
> So if I understand... the empty row will only be removed after gc_grace if
> enough compactions have occurred so that all the column tombstones for the
> empty row are in a single SSTable file?****
>
> ****
>
> *From:* aaron morton [mailto:aa...@thelastpickle.com]
>
> ****
>
> ** **
>
> Minor compaction will remove the tombstones if the row only exists in the
> sstable being compaction. ****
>
> ** **
>
> Are these very wide rows that are constantly written to ? ****
>
> ** **
>
> Cheers****
>
>  p.s. cassandra 1.0 really does rock. ****
>

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