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java.lang.Objectorg.apache.hadoop.hbase.ipc.RpcScheduler
@InterfaceAudience.LimitedPrivate(value={"Coprocesssor","Phoenix"}) @InterfaceStability.Evolving public abstract class RpcScheduler
An interface for RPC request scheduling algorithm.
Constructor Summary | |
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RpcScheduler()
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Method Summary | |
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abstract void |
dispatch(CallRunner task)
Dispatches an RPC request asynchronously. |
abstract int |
getActiveRpcHandlerCount()
Retrieves the number of active handler. |
abstract int |
getGeneralQueueLength()
Retrieves length of the general queue for metrics. |
abstract int |
getPriorityQueueLength()
Retrieves length of the priority queue for metrics. |
abstract int |
getReplicationQueueLength()
Retrieves length of the replication queue for metrics. |
abstract void |
init(org.apache.hadoop.hbase.ipc.RpcScheduler.Context context)
Does some quick initialization. |
abstract void |
start()
Prepares for request serving. |
abstract void |
stop()
Stops serving new requests. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public RpcScheduler()
Method Detail |
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public abstract void init(org.apache.hadoop.hbase.ipc.RpcScheduler.Context context)
start()
. This method is called before start
.
context
- provides methods to retrieve runtime information frompublic abstract void start()
public abstract void stop()
public abstract void dispatch(CallRunner task) throws IOException, InterruptedException
task
- the request to be dispatched
IOException
InterruptedException
public abstract int getGeneralQueueLength()
public abstract int getPriorityQueueLength()
public abstract int getReplicationQueueLength()
public abstract int getActiveRpcHandlerCount()
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