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Posted to solr-user@lucene.apache.org by Jon Baer <jo...@gmail.com> on 2010/04/28 20:23:56 UTC

Solr Cloud & Gossip Protocols

Just a general theory question ...

From what I understand Cassandra uses a generic gossip protocol for node discovery (custom), will the Solr-Cloud have something similar? 

I was looking through both projects and it seems like this "protocol" type can be ripped from org.apache.cassandra.gms package ... what I can't figure out is why they did not end up w/ something like JGroups. 

Beyond something akin to Bonjour and Apache River is there something preferable for this stuff?  (To be clear this is the zero configuration of slave nodes).

- Jon

Re: Solr Cloud & Gossip Protocols

Posted by Jon Baer <jo...@gmail.com>.

Thanks, Im looking @ the atomic broadcast messaging protocol of Zookeeper and think I have found what I was looking for ...

- Jon

On Apr 28, 2010, at 11:27 PM, Yonik Seeley wrote:

> On Wed, Apr 28, 2010 at 2:23 PM, Jon Baer <jo...@gmail.com> wrote:
>> From what I understand Cassandra uses a generic gossip protocol for node discovery (custom), will the Solr-Cloud have something similar?
> 
> SolrCloud uses zookeeper, so node discovery is a simple matter of
> looking there.  Nodes are responsible for registering themselves in
> zookeeper.
> 
> -Yonik
> Apache Lucene Eurocon 2010
> 18-21 May 2010 | Prague

Re: Solr Cloud & Gossip Protocols

Posted by Yonik Seeley <yo...@lucidimagination.com>.

On Wed, Apr 28, 2010 at 2:23 PM, Jon Baer <jo...@gmail.com> wrote:
> From what I understand Cassandra uses a generic gossip protocol for node discovery (custom), will the Solr-Cloud have something similar?

SolrCloud uses zookeeper, so node discovery is a simple matter of
looking there.  Nodes are responsible for registering themselves in
zookeeper.

-Yonik
Apache Lucene Eurocon 2010
18-21 May 2010 | Prague