Package org.apache.hadoop.hdfs.server.federation.metrics

Class FederationRPCMetrics

java.lang.Object

org.apache.hadoop.hdfs.server.federation.metrics.FederationRPCMetrics

All Implemented Interfaces:

FederationRPCMBean

@Metrics(name="RouterRPCActivity",
         about="Router RPC Activity",
         context="dfs")
public class FederationRPCMetrics
extends java.lang.Object
implements FederationRPCMBean

Implementation of the RPC metrics collector.

Constructor Summary

Constructors

Constructor	Description
FederationRPCMetrics(org.apache.hadoop.conf.Configuration conf, RouterRpcServer rpcServer)

Method Summary

Modifier and Type	Method	Description
void	addProcessingTime(long time)	Add the time to process a request in the Router from the time we receive the call until we send it to the Namenode.
void	addProxyTime(long time, FederationNamenodeServiceState state)	Add the time to proxy an operation from the moment the Router sends it to the Namenode until it replied.
static FederationRPCMetrics	create(org.apache.hadoop.conf.Configuration conf, RouterRpcServer rpcServer)
long	getActiveProxyOps()
java.lang.String	getAsyncCallerPool()	Get the JSON representation of the async caller thread pool.
java.lang.String	getAvailableHandlerOnPerNs()	JSON representation of the available handler per Ns.
long	getObserverProxyOps()
double	getProcessingAvg()
long	getProcessingOps()
double	getProxyAvg()
long	getProxyOpFailureClientOverloaded()
long	getProxyOpFailureCommunicate()
long	getProxyOpFailureStandby()
long	getProxyOpNoNamenodes()
long	getProxyOpNotImplemented()
java.lang.String	getProxyOpPermitAcceptedPerNs()	Get the number of operations accepted of each namespace.
long	getProxyOpPermitRejected()	Get the number of operations rejected due to lack of permits.
java.lang.String	getProxyOpPermitRejectedPerNs()	Get the number of operations rejected due to lack of permits of each namespace.
long	getProxyOpRetries()
long	getProxyOps()
long	getRouterFailureLockedOps()
long	getRouterFailureReadOnlyOps()
long	getRouterFailureSafemodeOps()
long	getRouterFailureStateStoreOps()
java.lang.String	getRpcClientConnections()	JSON representation of the RPC connections from the Router to the NNs.
int	getRpcClientNumActiveConnections()	Get the number of active RPC connections between the Router and the NNs.
int	getRpcClientNumActiveConnectionsRecently()	Get the number of recently active RPC connections between the Router and the NNs.
int	getRpcClientNumConnectionPools()	Get the number of connection pools between the Router and a NNs.
int	getRpcClientNumConnections()	Get the number of RPC connections between the Router and the NNs.
int	getRpcClientNumCreatingConnections()	Get the number of RPC connections to be created.
int	getRpcClientNumIdleConnections()	Get the number of idle RPC connections between the Router and the NNs.
int	getRpcServerCallQueue()
int	getRpcServerNumOpenConnections()	Get the number of RPC connections between the clients and the Router.
void	incrProxyOpFailureClientOverloaded()
void	incrProxyOpFailureCommunicate()
void	incrProxyOpFailureStandby()
void	incrProxyOpNoNamenodes()
void	incrProxyOpNotImplemented()
void	incrProxyOpPermitRejected()
void	incrProxyOpRetries()
void	incrRouterFailureLocked()
void	incrRouterFailureReadOnly()
void	incrRouterFailureSafemode()
void	incrRouterFailureStateStore()
static void	reset()	Reset the metrics system.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FederationRPCMetrics

public FederationRPCMetrics(org.apache.hadoop.conf.Configuration conf,
                            RouterRpcServer rpcServer)

Method Detail

create

public static FederationRPCMetrics create(org.apache.hadoop.conf.Configuration conf,
                                          RouterRpcServer rpcServer)

reset

public static void reset()

Reset the metrics system.

incrProxyOpFailureStandby

public void incrProxyOpFailureStandby()

getProxyOpFailureStandby

public long getProxyOpFailureStandby()

Specified by:

getProxyOpFailureStandby in interface FederationRPCMBean

incrProxyOpFailureCommunicate

public void incrProxyOpFailureCommunicate()

getProxyOpFailureCommunicate

public long getProxyOpFailureCommunicate()

Specified by:

getProxyOpFailureCommunicate in interface FederationRPCMBean

incrProxyOpFailureClientOverloaded

public void incrProxyOpFailureClientOverloaded()

getProxyOpFailureClientOverloaded

public long getProxyOpFailureClientOverloaded()

Specified by:

getProxyOpFailureClientOverloaded in interface FederationRPCMBean

incrProxyOpNotImplemented

public void incrProxyOpNotImplemented()

getProxyOpNotImplemented

public long getProxyOpNotImplemented()

Specified by:

getProxyOpNotImplemented in interface FederationRPCMBean

incrProxyOpRetries

public void incrProxyOpRetries()

getProxyOpRetries

public long getProxyOpRetries()

Specified by:

getProxyOpRetries in interface FederationRPCMBean

incrProxyOpNoNamenodes

public void incrProxyOpNoNamenodes()

getProxyOpNoNamenodes

public long getProxyOpNoNamenodes()

Specified by:

getProxyOpNoNamenodes in interface FederationRPCMBean

incrRouterFailureStateStore

public void incrRouterFailureStateStore()

getRouterFailureStateStoreOps

public long getRouterFailureStateStoreOps()

Specified by:

getRouterFailureStateStoreOps in interface FederationRPCMBean

incrRouterFailureSafemode

public void incrRouterFailureSafemode()

getRouterFailureSafemodeOps

public long getRouterFailureSafemodeOps()

Specified by:

getRouterFailureSafemodeOps in interface FederationRPCMBean

incrRouterFailureReadOnly

public void incrRouterFailureReadOnly()

getRouterFailureReadOnlyOps

public long getRouterFailureReadOnlyOps()

Specified by:

getRouterFailureReadOnlyOps in interface FederationRPCMBean

incrRouterFailureLocked

public void incrRouterFailureLocked()

getRouterFailureLockedOps

public long getRouterFailureLockedOps()

Specified by:

getRouterFailureLockedOps in interface FederationRPCMBean

getRpcServerCallQueue

@Metric({"RpcServerCallQueue","Length of the rpc server call queue"})
public int getRpcServerCallQueue()

Specified by:

getRpcServerCallQueue in interface FederationRPCMBean

getRpcServerNumOpenConnections

@Metric({"RpcServerNumOpenConnections","Number of the rpc server open connections"})
public int getRpcServerNumOpenConnections()

Description copied from interface: FederationRPCMBean

Get the number of RPC connections between the clients and the Router.

Specified by:

getRpcServerNumOpenConnections in interface FederationRPCMBean

Returns:

Number of RPC connections between the clients and the Router.

getRpcClientNumConnections

@Metric({"RpcClientNumConnections","Number of the rpc client open connections"})
public int getRpcClientNumConnections()

Description copied from interface: FederationRPCMBean

Get the number of RPC connections between the Router and the NNs.

Specified by:

getRpcClientNumConnections in interface FederationRPCMBean

Returns:

Number of RPC connections between the Router and the NNs.

getRpcClientNumActiveConnections

@Metric({"RpcClientNumActiveConnections","Number of the rpc client active connections"})
public int getRpcClientNumActiveConnections()

Description copied from interface: FederationRPCMBean

Get the number of active RPC connections between the Router and the NNs.

Specified by:

getRpcClientNumActiveConnections in interface FederationRPCMBean

Returns:

Number of active RPC connections between the Router and the NNs.

getRpcClientNumIdleConnections

@Metric({"RpcClientNumIdleConnections","Number of the rpc client idle connections"})
public int getRpcClientNumIdleConnections()

Description copied from interface: FederationRPCMBean

Get the number of idle RPC connections between the Router and the NNs.

Specified by:

getRpcClientNumIdleConnections in interface FederationRPCMBean

Returns:

Number of idle RPC connections between the Router and the NNs.

getRpcClientNumActiveConnectionsRecently

@Metric({"RpcClientNumActiveConnectionsRecently","Number of the rpc client active connections recently"})
public int getRpcClientNumActiveConnectionsRecently()

Description copied from interface: FederationRPCMBean

Get the number of recently active RPC connections between the Router and the NNs.

Specified by:

getRpcClientNumActiveConnectionsRecently in interface FederationRPCMBean

Returns:

Number of recently active RPC connections between the Router and the NNs.

getRpcClientNumCreatingConnections

@Metric({"RpcClientNumCreatingConnections","Number of the rpc client creating connections"})
public int getRpcClientNumCreatingConnections()

Description copied from interface: FederationRPCMBean

Get the number of RPC connections to be created.

Specified by:

getRpcClientNumCreatingConnections in interface FederationRPCMBean

Returns:

Number of RPC connections to be created.

getRpcClientNumConnectionPools

@Metric({"RpcClientNumConnectionPools","Number of the rpc client connection pools"})
public int getRpcClientNumConnectionPools()

Description copied from interface: FederationRPCMBean

Get the number of connection pools between the Router and a NNs.

Specified by:

getRpcClientNumConnectionPools in interface FederationRPCMBean

Returns:

Number of connection pools between the Router and a NNs.

getRpcClientConnections

public java.lang.String getRpcClientConnections()

Description copied from interface: FederationRPCMBean

JSON representation of the RPC connections from the Router to the NNs.

Specified by:

getRpcClientConnections in interface FederationRPCMBean

Returns:

JSON string representation.

getAvailableHandlerOnPerNs

public java.lang.String getAvailableHandlerOnPerNs()

Description copied from interface: FederationRPCMBean

JSON representation of the available handler per Ns.

Specified by:

getAvailableHandlerOnPerNs in interface FederationRPCMBean

Returns:

JSON string representation.

getAsyncCallerPool

public java.lang.String getAsyncCallerPool()

Description copied from interface: FederationRPCMBean

Get the JSON representation of the async caller thread pool.

Specified by:

getAsyncCallerPool in interface FederationRPCMBean

Returns:

JSON string representation of the async caller thread pool.

addProxyTime

public void addProxyTime(long time,
                         FederationNamenodeServiceState state)

Add the time to proxy an operation from the moment the Router sends it to the Namenode until it replied.

Parameters:

time - Proxy time of an operation in nanoseconds.

state - NameNode state. Maybe null

getProxyAvg

public double getProxyAvg()

Specified by:

getProxyAvg in interface FederationRPCMBean

getProxyOps

public long getProxyOps()

Specified by:

getProxyOps in interface FederationRPCMBean

getActiveProxyOps

public long getActiveProxyOps()

Specified by:

getActiveProxyOps in interface FederationRPCMBean

getObserverProxyOps

public long getObserverProxyOps()

Specified by:

getObserverProxyOps in interface FederationRPCMBean

addProcessingTime

public void addProcessingTime(long time)

Add the time to process a request in the Router from the time we receive the call until we send it to the Namenode.

Parameters:

time - Process time of an operation in nanoseconds.

getProcessingAvg

public double getProcessingAvg()

Specified by:

getProcessingAvg in interface FederationRPCMBean

getProcessingOps

public long getProcessingOps()

Specified by:

getProcessingOps in interface FederationRPCMBean

incrProxyOpPermitRejected

public void incrProxyOpPermitRejected()

getProxyOpPermitRejected

public long getProxyOpPermitRejected()

Description copied from interface: FederationRPCMBean

Get the number of operations rejected due to lack of permits.

Specified by:

getProxyOpPermitRejected in interface FederationRPCMBean

Returns:

Number of operations rejected due to lack of permits.

getProxyOpPermitRejectedPerNs

public java.lang.String getProxyOpPermitRejectedPerNs()

Description copied from interface: FederationRPCMBean

Get the number of operations rejected due to lack of permits of each namespace.

Specified by:

getProxyOpPermitRejectedPerNs in interface FederationRPCMBean

Returns:

Number of operations rejected due to lack of permits of each namespace.

getProxyOpPermitAcceptedPerNs

public java.lang.String getProxyOpPermitAcceptedPerNs()

Description copied from interface: FederationRPCMBean

Get the number of operations accepted of each namespace.

Specified by:

getProxyOpPermitAcceptedPerNs in interface FederationRPCMBean

Returns:

Number of operations accepted of each namespace.