org.apache.hadoop.yarn.nodelabels
Class FileSystemNodeLabelsStore

java.lang.Object
  org.apache.hadoop.yarn.nodelabels.NodeLabelsStore
      org.apache.hadoop.yarn.nodelabels.FileSystemNodeLabelsStore

All Implemented Interfaces:

Closeable

public class FileSystemNodeLabelsStore
extends NodeLabelsStore

Nested Class Summary

protected static class

FileSystemNodeLabelsStore.SerializedLogType

Field Summary

protected static String	DEFAULT_DIR_NAME
protected static String	EDITLOG_FILENAME
protected static org.apache.commons.logging.Log	LOG
protected static String	MIRROR_FILENAME

Fields inherited from class org.apache.hadoop.yarn.nodelabels.NodeLabelsStore

conf, mgr

Constructor Summary

FileSystemNodeLabelsStore(CommonNodeLabelsManager mgr)

Method Summary

void	close()
void	init(org.apache.hadoop.conf.Configuration conf)
void	recover() Recover labels and node to labels mappings from store
void	removeClusterNodeLabels(Collection<String> labels) Remove labels
void	storeNewClusterNodeLabels(Set<String> labels) Store new labels
void	updateNodeToLabelsMappings(Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>> nodeToLabels) Store node -> label

Methods inherited from class org.apache.hadoop.yarn.nodelabels.NodeLabelsStore

getNodeLabelsManager

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

DEFAULT_DIR_NAME

protected static final String DEFAULT_DIR_NAME

See Also:

Constant Field Values

MIRROR_FILENAME

protected static final String MIRROR_FILENAME

See Also:

Constant Field Values

EDITLOG_FILENAME

protected static final String EDITLOG_FILENAME

See Also:

Constant Field Values

Constructor Detail

FileSystemNodeLabelsStore

public FileSystemNodeLabelsStore(CommonNodeLabelsManager mgr)

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)
          throws Exception

Overrides:

init in class NodeLabelsStore

Throws:

Exception

close

public void close()
           throws IOException

Throws:

IOException

updateNodeToLabelsMappings

public void updateNodeToLabelsMappings(Map<org.apache.hadoop.yarn.api.records.NodeId,Set<String>> nodeToLabels)
                                throws IOException

Description copied from class: NodeLabelsStore

Store node -> label

Specified by:

updateNodeToLabelsMappings in class NodeLabelsStore

Throws:

IOException

storeNewClusterNodeLabels

public void storeNewClusterNodeLabels(Set<String> labels)
                               throws IOException

Description copied from class: NodeLabelsStore

Store new labels

Specified by:

storeNewClusterNodeLabels in class NodeLabelsStore

Throws:

IOException

removeClusterNodeLabels

public void removeClusterNodeLabels(Collection<String> labels)
                             throws IOException

Description copied from class: NodeLabelsStore

Remove labels

Specified by:

removeClusterNodeLabels in class NodeLabelsStore

Throws:

IOException

recover

public void recover()
             throws IOException

Description copied from class: NodeLabelsStore

Recover labels and node to labels mappings from store

Specified by:

recover in class NodeLabelsStore

Throws:

IOException