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java.lang.Objectorg.apache.cassandra.scheduler.RoundRobinScheduler
public class RoundRobinScheduler
A very basic Round Robin implementation of the RequestScheduler. It handles request groups identified on user/keyspace by placing them in separate queues and servicing a request from each queue in a RoundRobin fashion. It optionally adds weights for each round.
| Constructor Summary | |
|---|---|
RoundRobinScheduler(RequestSchedulerOptions options)
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| Method Summary | |
|---|---|
void |
queue(java.lang.Thread t,
java.lang.String id,
long timeoutMS)
Queue incoming request threads |
void |
release()
A convenience method for indicating when a particular request has completed processing, and before a return to the client |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public RoundRobinScheduler(RequestSchedulerOptions options)
| Method Detail |
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public void queue(java.lang.Thread t,
java.lang.String id,
long timeoutMS)
throws java.util.concurrent.TimeoutException
IRequestScheduler
queue in interface IRequestSchedulert - Thread handing the requestid - Scheduling parameter, an id to distinguish profiles (users/keyspace)timeoutMS - The max time in milliseconds to spend blocking for a slot
java.util.concurrent.TimeoutExceptionpublic void release()
IRequestScheduler
release in interface IRequestScheduler
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