Riak is known to be working on bucket-destruction, and we're using a sparse keyspace/bucket-name.
The question is: Do we fill the bucket with users, or just use it as a meta-concept to link to subscriber buckets? Thanks! -mox On Sun, Apr 3, 2011 at 8:55 PM, Dmitry Demeshchuk <demeshc...@gmail.com>wrote: > Something tells me that Riak's current design is not well-suited for > pub-sub, especially with frequent channels removing. > > However, I think innostore backend can give you such functionalities. > What you'll need is: > > 1. Add first_key and next_key functionalities to Riak itself (they'll > give you the first and the next keys from the given bucket, which > means first/next keys from the table on the InnoDB level) > > 2. Add remove_bucket functionality to Riak, which in fact will call > 'DROP TABLE' on the innostore level, giving you an ability to remove > buckets fast. > > So, your pub-sub design will look like the following: > > 1. Each channel has an associated bucket named "channel-ChannelName" > > 2. When trying to get the next message from the channel, you get the > first key from the bucket and then read its value. > > 3. Depending on your needs, you may want to read the next key > immediately or stop reading keys until the next subscriber query. > > 4. If you unsubscribe, you just remove the bucket using 'DROP TABLE'. > > > On Mon, Apr 4, 2011 at 2:46 AM, Mike Oxford <moxf...@gmail.com> wrote: > > Pub-sub style, with frequent unsub and channel destruction. > > > > -Mike > > > > On Sun, Apr 3, 2011 at 2:11 PM, Dan Reverri <d...@basho.com> wrote: > >> > >> Can you describe a bit more what you are trying to model? > >> Thanks, > >> Dan > >> Daniel Reverri > >> Developer Advocate > >> Basho Technologies, Inc. > >> d...@basho.com > >> > >> > >> On Fri, Apr 1, 2011 at 2:40 PM, Mike Oxford <moxf...@gmail.com> wrote: > >>> > >>> In Riak design, with a given bucket of "subscribers" would it be better > >>> to use the bucket as an actual container of users (denormallized) or > use > >>> Riak's linking feature? > >>> While both will work, there are surely some under-the-covers things to > >>> consider... > >>> Thanks! > >>> -mox > >>> _______________________________________________ > >>> riak-users mailing list > >>> riak-users@lists.basho.com > >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > >>> > >> > > > > > > _______________________________________________ > > riak-users mailing list > > riak-users@lists.basho.com > > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > > > > > > > -- > Best regards, > Dmitry Demeshchuk >
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