Sorry for the hijack, but s replication necessary when using a cluster file-system such as GFS2. Where the files are the same for any instance of Solr?
On Mon, Oct 12, 2009 at 8:36 PM, Dan Trainor <dtrai...@toolbox.com> wrote: > On 10/12/2009 10:49 AM, Chaitali Gupta wrote: >> >> Hi, >> >> How should we setup master and slaves in Solr? What configuration files >> and parameters should we need to change and how ? >> >> Thanks, >> Chaitali > > Hi - > > I think Shalin was pretty clear on that, it is documented very well at > http://wiki.apache.org/solr/SolrReplication . > > I am responding, however, to explain something that took me a bit of time to > wrap my brain around in the hopes that it helps you and perhaps some others. > > Solr in itself does not replicate. Instead, Solr relies on an underlying > rsync setup to keep these indices sync'd throughout the collective. When > you break it down, its simply rsync with a configuration file making all the > nodes "aware" that they participate in this configuration. Wrap a cron > around this between all the nodes, and they simply replicate raw data from > one "master" to one or more slave. > > I would suggest reading up on how snapshots are preformed and how the log > files are created/what they do. Of course it would benefit you to know the > ins and outs of all the elements that help Solr replicate, but its been my > experience that most of it has to do with those particular items. > > Thanks > -dant > >
