James Netherton created CAMEL-22430:
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Summary: Make FileLockClusterView more resilient to split-brain
scenarios
Key: CAMEL-22430
URL: https://issues.apache.org/jira/browse/CAMEL-22430
Project: Camel
Issue Type: Improvement
Reporter: James Netherton
Assignee: James Netherton
In its current state, FileLockClusterView is easily 'tricked' into split-brain
type scenarios if the cluster lock file or its parent directory is deleted.
This can typically happen with NFS / Samba setups.
In such scenarios, FileLock.isValid() is not always enough to determine the
leadership state. It can return true even if the underlying lock file is no
longer present. Thus, another process can obtain the lock and start running.
We can enhance FileLockClusterView so that it can better track the state of the
cluster leader, detect staleness and make it more resilient to changes in the
file system state.
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