On Thursday, November 03, 2011 12:49:06 AM you wrote: > On Thu, Nov 3, 2011 at 02:39, Justin Karneges <jus...@affinix.com> wrote: > > So far so good. Now for handling cleanup. Periodically, we scan the > > "cleanup" bucket for keys to process. Since keys only exist in this > > bucket at the moment of a write (they are deleted immediately > > afterwards), in practice there should hardly be any keys in here at any > > single point in time. We're talking single digits here. Much better > > than a full db scan to find garbage keys. Also, the keys to process can > > be narrowed down by time (e.g. > 5 minutes ago) based on the key name. > > This will minimize your scans, but not eliminate them. You may not be > able to write to the "cleanup" bucket because you've lost all network > connectivity to the Riak cluster. Not a bad assumption, given that you > could not write out B (what makes you think you could write to > "cleanup"?).
The cleanup key is written first. If that write fails to acknowledge, then the overall write process would abort. It should not be possible to have only the A key and no cleanup key. Justin _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com