David Capwell created CASSANDRA-20715:
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             Summary: Accord: Topology serializer has a lot of repeated data, 
can dedup to shrink the cost
                 Key: CASSANDRA-20715
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20715
             Project: Apache Cassandra
          Issue Type: Improvement
          Components: Accord
            Reporter: David Capwell
            Assignee: David Capwell


Topology object represents all tables -> ranges -> nodes that accord needs to 
care about, but there is a big problem; there is a lot of duplication.

Each TokenRange repeats TableId
Tables with the same replication factor have the same ranges
Shard has views for fast path and joining nodes

All these duplicate values add up bloating the serialization format



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