Jason Brown created CASSANDRA-12345:
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Summary: Gossip 2.0
Key: CASSANDRA-12345
URL: https://issues.apache.org/jira/browse/CASSANDRA-12345
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Jason Brown
Assignee: Jason Brown
This is a parent ticket covering changes to the dissemination aspects of the
current gossip subsystem. (Changes to the actual data being exchanged by the
current gossip (the cluster metadata) will be handled elsewhere, but the
current primary ticket covering that work is CASSANDRA-9667.)
This work requires several components, which largely need to completed in this
order:
- a peer sampling service to create partial cluster views (CASSANDRA-????).
This forms the basis of the next two components
- a broadcast tree, which creates dynamic spanning trees given the partial
views provided by the peer sampling service (CASSANDRA-???)
- an anti-entropy component, which is similar to the pair-wise exchange and
reconciliation of the exitsing gossip implementation (CASSANDRA-???)
These base components (primarily the broadcast and anti-entropy) can allow for
generic consumers to simply and effectively share a body of data across an
entire cluster. The most obvious consumer will be a cluster metadata component,
which can replace the existing gossip system, but also other components like
CASSANDRA-12106.
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