Github user aweisberg commented on a diff in the pull request:
https://github.com/apache/cassandra/pull/224#discussion_r187383489
--- Diff: doc/source/architecture/dynamo.rst ---
@@ -74,6 +74,26 @@ nodes in each rack, the data load on the smallest rack
may be much higher. Simi
into a new rack, it will be considered a replica for the entire ring. For
this reason, many operators choose to
configure all nodes on a single "rack".
+.. _transient-replication:
+
+Transient Replication
+~~~~~~~~~~~~~~~~~~~~~
+
+Transient replication allows you to configure a subset of replicas to only
replicate data that hasn't been incrementally
+repaired. This allows you to trade data redundancy for storage usage, and
increased read and write throughput. For instance,
+if you have a replication factor of 3, with 1 transient replica, 2
replicas will replicate all data for a given token
--- End diff --
Use the 3 replicas upgraded to 5 case. It's not a tradeoff of redundancy at
all. We can't message that at all and it's not true.
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