Package | Description |
---|---|
org.apache.hadoop.hdfs.server.common.blockaliasmap |
The AliasMap defines mapping of PROVIDED HDFS blocks to data in remote
storage systems.
|
org.apache.hadoop.hdfs.server.common.blockaliasmap.impl |
Modifier and Type | Method and Description |
---|---|
abstract BlockAliasMap.Writer<T> |
BlockAliasMap.getWriter(BlockAliasMap.Writer.Options opts,
String blockPoolID)
Returns the writer for the alias map.
|
Modifier and Type | Class and Description |
---|---|
static class |
LevelDBFileRegionAliasMap.LevelDBWriter
This class is used as a writer for block maps which
are stored as LevelDB files.
|
static class |
TextFileRegionAliasMap.TextWriter
This class is used as a writer for block maps which
are stored as delimited text files.
|
Modifier and Type | Method and Description |
---|---|
BlockAliasMap.Writer<FileRegion> |
TextFileRegionAliasMap.getWriter(BlockAliasMap.Writer.Options opts,
String blockPoolID) |
BlockAliasMap.Writer<FileRegion> |
LevelDBFileRegionAliasMap.getWriter(BlockAliasMap.Writer.Options opts,
String blockPoolID) |
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