Cesar Stuardo created ZOOKEEPER-2888:
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Summary: Reconfig Causes Inconsistent Configuration file among the
nodes
Key: ZOOKEEPER-2888
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2888
Project: ZooKeeper
Issue Type: Bug
Components: quorum
Affects Versions: 3.5.3
Reporter: Cesar Stuardo
When we run our Distributed system Model Checking (DMCK) in ZooKeeper v3.5.3
by following the workload (complete details attached):
1. start a 5 node cluster (all nodes know each other).
2. wait for the cluster to reach a steady state.
3. issue reconfig command which does not add or remove nodes but changes all
the ports of the existing cluster (no role change either).
We observer that in some situations, one of the followers my end up isolated
since the other nodes change their ports and end up setting up new connections.
The consequence is similar to the one at
[ZK-2865|https://issues.apache.org/jira/browse/ZOOKEEPER-2865?jql=] but the
scenario is different.
We provide further details in the attached document.
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