Sergey Chugunov created IGNITE-8193:
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Summary: Joining node data should be cleaned in some cases
Key: IGNITE-8193
URL: https://issues.apache.org/jira/browse/IGNITE-8193
Project: Ignite
Issue Type: Improvement
Components: zookeeper
Reporter: Sergey Chugunov
ZookeeperDiscoveryImpl#startJoin method implementation creates two zk nodes:
one with joining node discovery data and another one with joining node id.
If joining node fails in between its joining node data will be kept by
ZooKeeper until explicit removal.
For now there is no mechanism implementing such removal but it should be
implemented to cover this corner case.
It may be implemented in form of timer which removes joining node data with
some significant timeout to avoid deleting joining data of alive nodes that are
in the middle of join procedure (and, for instance, got frozen before creating
alive zk node).
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