cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From sankalp kohli <kohlisank...@gmail.com>
Subject Re: Gotchas when creating a lot of tombstones
Date Thu, 09 Jan 2014 02:26:39 GMT
With Level compaction, you will have some data which could not be reclaimed
with gc grace=0 because it has not compacted yet. For this you might want
to look at tombstone_threshold


On Wed, Jan 8, 2014 at 10:31 AM, Tyler Hobbs <tyler@datastax.com> wrote:

>
> On Wed, Jan 1, 2014 at 7:53 AM, Robert Wille <rwille@fold3.com> wrote:
>
>>
>> Also, for this application, it would be quite reasonable to set gc grace
>> seconds to 0 for these tables. Zombie data wouldn’t really be a problem.
>> The background process that cleans up orphaned browse structures would
>> simply re-delete any deleted data that reappeared.
>>
>
> If you can set gc grace to 0, that will basically eliminate your tombstone
> concerns entirely, so I would suggest that.
>
>
> --
> Tyler Hobbs
> DataStax <http://datastax.com/>
>

Mime
View raw message