Hi, That's what we did in a project I was involved. Works fine for search. For indexing we check clusterstate.json to see who is leader and then send all indexing requests to leader
Xavier -------------------------------------------- Sent from a small attention grabbing screen > On Jan 6, 2017, at 06:20, Mike Linnetz <[email protected]> wrote: > > Thanks for the reply! > What you describe makes sense. > > I have another question as I'd like to present my team all of the options. > > As an alternative to using SolrNetCloud to load balance, couldn't I just > configure my network load balancer to distribute requests among my cloud > instances? As I understand it, Zookeeper and SolrCloud should take care of > propagating any updates across all nodes in a collection if a request is > routed to any node in the collection. > Is there anything I'm missing such that that solution would not work? > > Thanks, > Mike > > > -----Original Message----- > From: Mikhail Khludnev [mailto:[email protected]] > Sent: Thursday, January 5, 2017 4:26 PM > To: [email protected] > Subject: Re: Question: Does Zookeeper/SolrCloud handle the failover? > > Hello, Mike! > > As far as I've got, you need to connect to SolrCloud (Zookeeper) via > Solr.Net library. > Here is the reference to the fork where it's done. > https://github.com/mausch/SolrNet/issues/174#issuecomment-143697474 > Let me know if you need more info. > > On Thu, Jan 5, 2017 at 8:50 PM, Mike Linnetz <[email protected]> > wrote: > >> Hello, >> >> I am new to SolrCloud and Zookeeper, and there's a piece of the puzzle on >> which I'm unclear. I don't understand whether/how SolrCloud and Zookeeper >> handles the high availability aspect. That is, once I have the Zookeeper >> ensemble set up, now how do I reference the collection in a >> "high-availability" fashion so that if one Solr instance is down, it will >> automatically route to another instance? >> >> Am I thinking that SolrCloud does more than it actually does? That is, >> could I instead handle all Load Balancing outside of Zookeeper, and just >> use our company's network load balancer to route/distribute traffic for a >> single consolidated URL:port to the different actual Solr Instances/Ports? >> >> Here's more details in case it helps: >> I have an ASP.NET application which uses SolrNet to query and write to a >> standalone Solr instance. In my program , I specify the hostname:port of >> my Solr instance: >> Startup.Init<SolrDoc>("hostname:port"); >> This setup was used for development and testing. >> >> Now, for production, I need to implement Solr in a H.A. fashion so that I >> don't have a single point of failure. So, following Apache's >> documentation, I understand that the solution would be to set up an >> external Zookeeper Ensemble. >> So, let's say I set up a new Zookeeper Ensemble (three instances). Let's >> also say I have three Solr instances, #shards = 2, #replicas per shard = 2. >> >> Once I have the Zookeeper ensemble set up, now how do I reference the >> collection? >> Previously, my code references a single standalone Solr instance, " >> http://solrserver1:9983";. What do I point it to now? >> >> If I point it to any of the three Solr instances, and if that instance I'm >> referencing goes down, it means the request would fail, right? >> >> I read similar questions online, for example https://groups.google.com/ >> forum/#!msg/solrnet/-PeaGrLAMtw/pAfxuoYLVnIJ, and the answer seems to be >> that SolrNet doesn't support this type of HA. So, do I understand >> correctly that the load balancing aspect needs to be handled on the >> client-side (or via a network load balancer), not the zookeeper/solrcloud >> server side? >> >> Thanks, >> Mike >> >> >> >> > > > -- > Sincerely yours > Mikhail Khludnev
