[ https://issues.apache.org/jira/browse/ZOOKEEPER-3842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mate Szalay-Beko reassigned ZOOKEEPER-3842: ------------------------------------------- Assignee: Mate Szalay-Beko > Rolling scale up of zookeeper cluster does not work with reconfigEnabled=false > ------------------------------------------------------------------------------ > > Key: ZOOKEEPER-3842 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3842 > Project: ZooKeeper > Issue Type: Bug > Components: quorum, server > Affects Versions: 3.5.7 > Reporter: kaushik srinivas > Assignee: Mate Szalay-Beko > Priority: Blocker > Labels: features > > With > *reconfigEnabled = false (not explicitly setting, relying on the default > value).* > > Install 3 zookeeper servers with 3 zk information in all the 3 zookeeper > quorum servers. > > Do a rolling scale up of cluster from 3 to 5 with below steps. > > 1. Install 4th zookeeper with servers list of 1,2,3,4,5 > 2. Install 5th zookeeper with servers list of 1,2,3,4,5 > 3. Do a rolling restart of servers 1 2 & 3 with servers list of 1,2,3,4,5. > > Result/Behavior: quorum is lost. > > With this https://issues.apache.org/jira/browse/ZOOKEEPER-2819 > description points at a PR [https://github.com/apache/zookeeper/pull/292] > which should have this issue of rolling restart fixed without dynamic > reconfiguration feature enabled. > > We still see quorum loss issues without dynamic reconfig feature enabled. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)