I agree with Shawn. Zookeeper saves the data log into /datalog and I see you missed adding the volume for /datalog for zookeeper in your docker-compose. That should do the trick
On Wed, Jun 8, 2022 at 3:21 PM Shawn Heisey <apa...@elyograg.org> wrote: > On 6/8/2022 4:01 AM, Yurii Aleshchenko wrote: > > How can I save my data in docker volume and why solr deleted all > > collections, cores on startup ? > > It sounds like when you are recreating the setup, that you are starting > with a brand new and empty ZK database. > > All the collection configuration is in ZK, and any core that exists in a > SolrCloud node that does not reference a known collection in the ZK > database is deleted on startup. > > If you want to preserve a SolrCloud install when rebuilding the docker > containers, you will need to preserve the ZK database as well as the > cores in the Solr home, or Solr will delete all the cores on startup. > > Thanks, > Shawn > > -- Vincenzo D'Amore
