Looking forward to finding out if it works as I haven't had to do this myself ;).
As Upayavira mentions though, you might have to do some fancy dancing with the ZK quorum. I'm assuming that once all the data is moved around, shutting down _all_ the Zookeepers (and Solrs!) and reconfiguring the configs should solve the quorum problem.... Best, Erick On Tue, Mar 15, 2016 at 10:14 PM, Rachid Bouacheria <willi...@gmail.com> wrote: > Thank you very much Erick. > You described almost for word what I thought about doing. > I just wasn't sure about how "drinkable" a cocktail made out of embedded > and the external zookeeper. > I was worried I'd get a severe hangover :-) > > I will give it a try and give an update. > Rachid. > > > > On Tue, Mar 15, 2016 at 2:29 PM, Erick Erickson <erickerick...@gmail.com> > wrote: > >> Hmmm, I don't think anyone's really documented this as the >> supposition is that one would only run embedded for sandboxes >> and set up an external ensemble "for real". >> >> So, with the caveat that I haven't personally tried this, I'd >> add external zookeepers as part of an ensemble that >> contained my embedded zookeepers. That means your ZK >> configurations pointing to your embedded ZK instances. At >> that point the external ZK _should_ replicate the data from the >> embedded instances to the external ones. >> >> Then shut down all your Solrs and change your external >> ensemble configurations to only point to each other (i.e. >> take the embedded stuff out). Now start your solrs pointing >> to the external ensemble. >> >> As I said, though, I haven't personally done this so >> go ahead and give it a try. >> >> Or, if you're feeling _really_ brave, just copy the zookeeper data >> directory from the place the embedded Zookeeper put it to the place >> you specify in your external ensemble then start your external >> ensemble. >> >> Theoretically, this should work bu tas I said I haven't tried either of >> these personally. >> >> Best, >> Erick >> >> On Tue, Mar 15, 2016 at 9:59 AM, Rachid Bouacheria <willi...@gmail.com> >> wrote: >> > Hi, >> > >> > I am running solr 4.x on 3 servers with zookeper embedded in prod. >> > >> > Each servers has 1 leader and 2 replicas. >> > >> > I want to switch zookeper from embedded to standalone. >> > >> > I want to know if the steps are documented anywhere? I could not find >> them. >> > >> > I am worried my index will get messed up if in the transition. >> > >> > Thank you very much! >>
