Thanks Upayavira, that sounds very good. p.s.: I read that page some weeks ago and didn't get back to check on it.
2010/12/1 Upayavira <u...@odoko.co.uk> > Note, all extracted from http://wiki.apache.org/solr/SolrReplication > > You'd put: > > <requestHandler name="/replication" class="solr.ReplicationHandler" > > <lst name="master"> > <!--Replicate on 'startup' and 'commit'. 'optimize' is also a > valid value for replicateAfter. --> > <str name="replicateAfter">startup</str> > <str name="replicateAfter">commit</str> > </lst> > </requestHandler> > > into every box you want to be able to act as a master, then use: > > http://slave_host:port/solr/replication?command=fetchindex&masterUrl=<your > master URL> > > As the above page says better than I can, "It is possible to pass on > extra attribute 'masterUrl' or other attributes like 'compression' (or > any other parameter which is specified in the <lst name="slave"> tag) to > do a one time replication from a master. This obviates the need for > hardcoding the master in the slave." > > HTH, Upayavira > > On Wed, 01 Dec 2010 06:24 +0100, "Tommaso Teofili" > <tommaso.teof...@gmail.com> wrote: > > Hi Upayavira, > > this is a good start for solving my problem, can you please tell how does > > such a replication URL look like? > > Thanks, > > Tommaso > > > > 2010/12/1 Upayavira <u...@odoko.co.uk> > > > > > Hi Tommaso, > > > > > > I believe you can tell each server to act as a master (which means it > > > can have its indexes pulled from it). > > > > > > You can then include the master hostname in the URL that triggers a > > > replication process. Thus, if you triggered replication from outside > > > solr, you'd have control over which master you pull from. > > > > > > Does this answer your question? > > > > > > Upayavira > > > > > > > > > On Tue, 30 Nov 2010 09:18 -0800, "Ken Krugler" > > > <kkrugler_li...@transpac.com> wrote: > > > > Hi Tommaso, > > > > > > > > On Nov 30, 2010, at 7:41am, Tommaso Teofili wrote: > > > > > > > > > Hi all, > > > > > > > > > > in a replication environment if the host where the master is > running > > > > > goes > > > > > down for some reason, is there a way to communicate to the slaves > to > > > > > point > > > > > to a different (backup) master without manually changing > > > > > configuration (and > > > > > restarting the slaves or their cores)? > > > > > > > > > > Basically I'd like to be able to change the replication master > > > > > dinamically > > > > > inside the slaves. > > > > > > > > > > Do you have any idea of how this could be achieved? > > > > > > > > One common approach is to use VIP (virtual IP) support provided by > > > > load balancers. > > > > > > > > Your slaves are configured to use a VIP to talk to the master, so > that > > > > it's easy to dynamically change which master they use, via updates to > > > > the load balancer config. > > > > > > > > -- Ken > > > > > > > > -------------------------- > > > > Ken Krugler > > > > +1 530-210-6378 > > > > http://bixolabs.com > > > > e l a s t i c w e b m i n i n g > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
