Hi, That one port should be enough. Remember to configure your new zk cluster with 4lw.commands.whitelist==mntr,conf,ruok as specified in https://solr.apache.org/guide/solr/latest/deployment-guide/zookeeper-ensemble.html#configuration-for-a-zookeeper-ensemble
Between ZKs you need more ports for internal communication and leader election. Jan > 27. nov. 2024 kl. 08:54 skrev Mingchun Zhao <mingchun.zha...@gmail.com>: > > Hi, > > We are building a cluster environment on Azure using Solr 9.7.0 and > ZooKeeper 3.9.2. Regarding communication from SolrCloud to ZooKeeper > servers, aside from the client port 2181, are there any other ports that > need to be allowed? > > In our previous environment with Solr 8.4.0 and ZooKeeper 3.5.7, there were > no issues. However, in the new version, we are experiencing issues like the > ZK Status not being displayed or delays. > > Could you provide information about any additional ports or protocols that > may need to be opened in the Solr 9.7.0 and ZK 3.9.2 SolrCloud environment? > > Regards, > Mingchun
