Package org.apache.hadoop.hdfs.server.namenode

Class FSImageFormatProtobuf.Saver

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.Saver

Enclosing class:

FSImageFormatProtobuf

public static final class FSImageFormatProtobuf.Saver
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	CHECK_CANCEL_INTERVAL

Method Summary

Modifier and Type	Method	Description
void	commitSection(FsImageProto.FileSummary.Builder summary, FSImageFormatProtobuf.SectionName name)
void	commitSectionAndSubSection(FsImageProto.FileSummary.Builder summary, FSImageFormatProtobuf.SectionName name, FSImageFormatProtobuf.SectionName subSectionName)	Commit the length and offset of a fsimage section to the summary index, including the sub section, which will be committed before the section is committed.
void	commitSubSection(FsImageProto.FileSummary.Builder summary, FSImageFormatProtobuf.SectionName name)	Commit the length and offset of a fsimage sub-section to the summary index.
SaveNamespaceContext	getContext()
int	getInodesPerSubSection()
org.apache.hadoop.io.MD5Hash	getSavedDigest()
FSImageFormatProtobuf.SaverContext	getSaverContext()

Methods inherited from class java.lang.Object

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

Field Detail

CHECK_CANCEL_INTERVAL

public static final int CHECK_CANCEL_INTERVAL

See Also:

Constant Field Values

Method Detail

getSavedDigest

public org.apache.hadoop.io.MD5Hash getSavedDigest()

getContext

public SaveNamespaceContext getContext()

getSaverContext

public FSImageFormatProtobuf.SaverContext getSaverContext()

getInodesPerSubSection

public int getInodesPerSubSection()

commitSectionAndSubSection

public void commitSectionAndSubSection(FsImageProto.FileSummary.Builder summary,
                                       FSImageFormatProtobuf.SectionName name,
                                       FSImageFormatProtobuf.SectionName subSectionName)
                                throws java.io.IOException

Commit the length and offset of a fsimage section to the summary index, including the sub section, which will be committed before the section is committed.

Parameters:

summary - The image summary object

name - The name of the section to commit

subSectionName - The name of the sub-section to commit

Throws:

java.io.IOException

commitSection

public void commitSection(FsImageProto.FileSummary.Builder summary,
                          FSImageFormatProtobuf.SectionName name)
                   throws java.io.IOException

Throws:

java.io.IOException

commitSubSection

public void commitSubSection(FsImageProto.FileSummary.Builder summary,
                             FSImageFormatProtobuf.SectionName name)
                      throws java.io.IOException

Commit the length and offset of a fsimage sub-section to the summary index.

Parameters:

summary - The image summary object

name - The name of the sub-section to commit

Throws:

java.io.IOException