Aleksey Yeschenko created CASSANDRA-20954:
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Summary: (CEP-45) Fix SRP in range reads with PER PARTITION LIMIT
set, simplify the read path
Key: CASSANDRA-20954
URL: https://issues.apache.org/jira/browse/CASSANDRA-20954
Project: Apache Cassandra
Issue Type: Bug
Reporter: Aleksey Yeschenko
There is a slight issue with SRP in the current mutation tracking range read
implementation - if an augmenting mutation partially shadows a local LSM read,
making a partition with PER PARTITION LIMIT set short, then SRP won't be
invoked for that partition.
While at it, we might simplify the read state machine class hierarchy and make
obtaining follow-up reads for SRP a part of the simplified state machine rather
than have a mixture of state machine transitions and callbacks/promises, giving
it a more linear structure.
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