Thanks Björn for the detailed information, just wanted to understand: When you say separate service for external traffic, does this mean a home brewed one that proxy solr queries?
And what is the difference between the above and "solr discovery"? Do you specify pod anti affinity for solr hosts? Regards Lars On Sat, 26 Aug 2017 at 13:19, Björn Häuser <bjoernhaeu...@gmail.com> wrote: > Hi Lars, > > we are running Solr in kubernetes and after some initial problems we are > running quite stable now. > > Here is the setup we choose for solr: > > - separate service for external traffic to solr (called “solr”) > - statefulset for solr with 3 replicas with another service (called > “solr-discovery”) > > We set the SOLR_HOST (which is used for intra cluster communication) to > the pod inside the statefulset > (solr-0.solr-discovery.default.svc.cluster.local. This ensures that on solr > pod restart the intra cluster communication still continues to work. In the > beginning we used the IP address of the pod, this caused problems when > restarting pods, they tried to talk with the old ip addresses. > > Zookeeper inside kubernetes is a different story. Use the latest version > of kubernetes, because old versions never reresolved dns names. For > connecting to zookeeper we use the same approach, one service-ip for all > pods. The statefulset works again with a different service name. > > The problems we are currently facing: > > - Client timeouts whenever a solr pod stops and starts again, we currently > try to solve this with better readiness probes, no success yet > - Sometimes solr collections do not recover completely after a pod restart > and we manually have to force recovery, still not investigated fully > > Hope this helps you! > > Thanks > Björn > > > On 26. Aug 2017, at 12:08, Lars Karlsson <lars.karlsson.st...@gmail.com> > wrote: > > > > Hi, I wanted to hear if anyone successfully got solr cloud running on > > kubernetes and can share challenges and limitations. > > > > Can't find much uptodate github projects, would be great if you can point > > out blogposts or other useful links. > > > > Thanks in advance. > >
