Benedict Elliott Smith created CASSANDRA-20998:
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Summary: Accord: Improve Topology Management
Key: CASSANDRA-20998
URL: https://issues.apache.org/jira/browse/CASSANDRA-20998
Project: Apache Cassandra
Issue Type: Improvement
Components: Accord
Reporter: Benedict Elliott Smith
Merge ConfigurationService with TopologyManager to remove cyclic dependency
and duplicated work.
Also:
- Improve visibility of work blocking topology processing
- Ensure we cannot double-count peers when deciding an epoch's distributed
readiness
- Remove the possibility of distributed stalls, by processing new
topologies as soon as a
contiguous sequence is known locally, regardless of whether anyprior
local epoch is ready to
coordinate or has recorded this fact to peers. The notification of local
readiness continues
to be processed only once all prior epochs are ready, but we can begin
using and readying
later epochs immediately.
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