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From "Stu Hood (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-3079) Allow the client request scheduler to throw Timeouts
Date Thu, 25 Aug 2011 23:00:29 GMT
Allow the client request scheduler to throw Timeouts

                 Key: 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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