Package org.apache.hadoop.hdfs.server.datanode

Class DNConf

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.DNConf

@Private
public class DNConf
extends java.lang.Object

Simple class encapsulating all of the configuration that the DataNode loads at startup time.

Constructor Summary

Constructors

Constructor	Description
DNConf(org.apache.hadoop.conf.Configurable dn)

Method Summary

Modifier and Type	Method	Description
boolean	getAllowNonLocalLazyPersist()
long	getBlockReportInterval()
long	getBpReadyTimeout()
long	getCacheReportInterval()
org.apache.hadoop.conf.Configuration	getConf()	Returns the configuration.
boolean	getConnectToDnViaHostname()	Returns true if connect to datanode via hostname
boolean	getDataTransferServerTcpNoDelay()
int	getEcChecksumSocketTimeout()	Returns socket timeout for computing the checksum of EC blocks
boolean	getEncryptDataTransfer()	Returns true if encryption enabled for DataTransferProtocol.
java.lang.String	getEncryptionAlgorithm()	Returns encryption algorithm configured for DataTransferProtocol, or null if not configured.
boolean	getIgnoreSecurePortsForTesting()	Returns true if configuration is set to skip checking for proper port configuration in a secured cluster.
long	getLifelineIntervalMs()	Returns the interval in milliseconds between sending lifeline messages.
long	getMaxLockedMemory()
boolean	getPmemCacheRecoveryEnabled()
java.lang.String[]	getPmemVolumes()
long	getProcessCommandsThresholdMs()
org.apache.hadoop.security.SaslPropertiesResolver	getSaslPropsResolver()	Returns the SaslPropertiesResolver configured for use with DataTransferProtocol, or null if not configured.
long	getSlowIoWarningThresholdMs()
int	getSocketTimeout()	Returns socket timeout
int	getSocketWriteTimeout()	Returns socket write timeout
int	getTransferSocketRecvBufferSize()
int	getTransferSocketSendBufferSize()
org.apache.hadoop.hdfs.protocol.datatransfer.TrustedChannelResolver	getTrustedChannelResolver()	Returns the TrustedChannelResolver configured for use with DataTransferProtocol, or null if not configured.
int	getVolFailuresTolerated()
int	getVolsConfigured()
long	getXceiverStopTimeout()
void	setDatanodeSlowIoWarningThresholdMs(long threshold)
void	setFileIoProfilingSamplingPercentage(int samplingPercentage)
void	setOutliersReportIntervalMs(java.lang.String reportIntervalMs)

Methods inherited from class java.lang.Object

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

Constructor Detail

DNConf

public DNConf(org.apache.hadoop.conf.Configurable dn)

Method Detail

getConf

public org.apache.hadoop.conf.Configuration getConf()

Returns the configuration.

Returns:

Configuration the configuration

getEncryptDataTransfer

public boolean getEncryptDataTransfer()

Returns true if encryption enabled for DataTransferProtocol.

Returns:

boolean true if encryption enabled for DataTransferProtocol

getEncryptionAlgorithm

public java.lang.String getEncryptionAlgorithm()

Returns encryption algorithm configured for DataTransferProtocol, or null if not configured.

Returns:

encryption algorithm configured for DataTransferProtocol

getXceiverStopTimeout

public long getXceiverStopTimeout()

getMaxLockedMemory

public long getMaxLockedMemory()

getConnectToDnViaHostname

public boolean getConnectToDnViaHostname()

Returns true if connect to datanode via hostname

Returns:

boolean true if connect to datanode via hostname

getSocketTimeout

public int getSocketTimeout()

Returns socket timeout

Returns:

int socket timeout

getSocketWriteTimeout

public int getSocketWriteTimeout()

Returns socket write timeout

Returns:

int socket write timeout

getEcChecksumSocketTimeout

public int getEcChecksumSocketTimeout()

Returns socket timeout for computing the checksum of EC blocks

Returns:

int socket timeout

getSaslPropsResolver

public org.apache.hadoop.security.SaslPropertiesResolver getSaslPropsResolver()

Returns the SaslPropertiesResolver configured for use with DataTransferProtocol, or null if not configured.

Returns:

SaslPropertiesResolver configured for use with DataTransferProtocol

getTrustedChannelResolver

public org.apache.hadoop.hdfs.protocol.datatransfer.TrustedChannelResolver getTrustedChannelResolver()

Returns the TrustedChannelResolver configured for use with DataTransferProtocol, or null if not configured.

Returns:

TrustedChannelResolver configured for use with DataTransferProtocol

getIgnoreSecurePortsForTesting

public boolean getIgnoreSecurePortsForTesting()

Returns true if configuration is set to skip checking for proper port configuration in a secured cluster. This is only intended for use in dev testing.

Returns:

true if configured to skip checking secured port configuration

getAllowNonLocalLazyPersist

public boolean getAllowNonLocalLazyPersist()

getTransferSocketRecvBufferSize

public int getTransferSocketRecvBufferSize()

getTransferSocketSendBufferSize

public int getTransferSocketSendBufferSize()

getDataTransferServerTcpNoDelay

public boolean getDataTransferServerTcpNoDelay()

getBpReadyTimeout

public long getBpReadyTimeout()

getLifelineIntervalMs

public long getLifelineIntervalMs()

Returns the interval in milliseconds between sending lifeline messages.

Returns:

interval in milliseconds between sending lifeline messages

getVolFailuresTolerated

public int getVolFailuresTolerated()

getVolsConfigured

public int getVolsConfigured()

getSlowIoWarningThresholdMs

public long getSlowIoWarningThresholdMs()

getPmemVolumes

public java.lang.String[] getPmemVolumes()

getPmemCacheRecoveryEnabled

public boolean getPmemCacheRecoveryEnabled()

getProcessCommandsThresholdMs

public long getProcessCommandsThresholdMs()

getBlockReportInterval

public long getBlockReportInterval()

getCacheReportInterval

public long getCacheReportInterval()

setFileIoProfilingSamplingPercentage

public void setFileIoProfilingSamplingPercentage(int samplingPercentage)

setOutliersReportIntervalMs

public void setOutliersReportIntervalMs(java.lang.String reportIntervalMs)

setDatanodeSlowIoWarningThresholdMs

public void setDatanodeSlowIoWarningThresholdMs(long threshold)