Package org.apache.hadoop.ipc

Interface RpcScheduler

All Known Implementing Classes:

DecayRpcScheduler, DefaultRpcScheduler

public interface RpcScheduler

Implement this interface to be used for RPC scheduling and backoff.

Method Summary

Modifier and Type	Method	Description
default void	addResponseTime(java.lang.String name, int priorityLevel, int queueTime, int processingTime)	Deprecated. Use addResponseTime(String, Schedulable, ProcessingDetails) instead.
default void	addResponseTime(java.lang.String callName, Schedulable schedulable, ProcessingDetails details)	Store a processing time value for an RPC call into this scheduler.
int	getPriorityLevel(Schedulable obj)
boolean	shouldBackOff(Schedulable obj)
void	stop()

Method Detail

getPriorityLevel

int getPriorityLevel(Schedulable obj)

Parameters:

obj - input obj.

Returns:

Returns priority level greater than zero as a hint for scheduling.

shouldBackOff

boolean shouldBackOff(Schedulable obj)

addResponseTime

@Deprecated
default void addResponseTime(java.lang.String name,
                             int priorityLevel,
                             int queueTime,
                             int processingTime)

Deprecated.

Use addResponseTime(String, Schedulable, ProcessingDetails) instead.

This method only exists to maintain backwards compatibility with old implementations. It will not be called by any Hadoop code, and should not be implemented by new implementations.

Parameters:

name - input name.

priorityLevel - input priorityLevel.

queueTime - input queueTime.

processingTime - input processingTime.

Throws:

java.lang.UnsupportedOperationException - the requested operation is not supported.

addResponseTime

default void addResponseTime(java.lang.String callName,
                             Schedulable schedulable,
                             ProcessingDetails details)

Store a processing time value for an RPC call into this scheduler.

Parameters:

callName - The name of the call.

schedulable - The schedulable representing the incoming call.

details - The details of processing time.

stop

void stop()