Allow the client request scheduler to throw Timeouts
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Key: CASSANDRA-3079
URL: https://issues.apache.org/jira/browse/CASSANDRA-3079
Project: Cassandra
Issue Type: Improvement
Components: API
Reporter: Stu Hood
Assignee: Stu Hood
Priority: Minor
Fix For: 1.0
The RoundRobinScheduler prioritizes threads by allowing them to queue on a
SynchronousQueue per scheduling bucket. These queues currently do not use
timeouts, and we observed a cascading case where client retries caused the
scheduler queues to fill such that latency was way above the client timeout.
Allowing the IRequestScheduler.queue method to throw a (per-call configurable)
timeout, we can avoid this cascading.
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