Thanks Mike (and Mark), I didn't know of these videos. Still looking for a broader (and TBH deeper) coverage of the architecture (including changes from the last 11 years :) ideally in text/diagram form so if anybody has something else, please share.
Ilan On Thu, May 30, 2024 at 1:33 PM Mike Drob <md...@mdrob.com> wrote: > > I think Mark has given this as a presentation a few times, maybe > https://www.youtube.com/watch?v=eVK0wLkLw9w > > On Thu, May 30, 2024 at 3:03 AM Ilan Ginzburg <ilans...@gmail.com> wrote: > > > Hi, > > > > I'm looking for a blog post or documentation giving a good overview of the > > architecture of SolrCloud (not the user experience and use of Solr). The > > audience would be engineers knowledgeable about distributed systems that > > know nothing about SolrCloud (side note: I looked for something similar for > > Elasticsearch and didn't find either). > > > > Documentation that will touch on the index structure > > (collection/shard/replica), the way they're materialized as cores, the > > coordination done by ZooKeeper (shard leader élections). How these replicas > > interact with each other and the update log in steady state and in recovery > > scenarios. > > The Overseer role (I wrote the detailed overseer doc > > https://github.com/apache/solr/blob/main/dev-docs/overseer/overseer.adoc) > > and how it interacts with ZooKeeper, the storage of all metadata in > > ZooKeeper, the way nodes start, the way cluster state is propagated and > > managed (watches for collections with replicas on a node vs all other > > collection) etc. > > > > If anybody knows about a doc that gives a complete overview, I'm very > > interested. > > Otherwise might end up writing it 🤓 > > > > Thanks, > > Ilan > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@solr.apache.org For additional commands, e-mail: dev-h...@solr.apache.org