alluxio.worker.block

Interface BlockStoreMeta

All Known Implementing Classes:

DefaultBlockStoreMeta

public interface BlockStoreMeta

Interface for the block store meta in Alluxio.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	BlockStoreMeta.Factory Factory for BlockStoreMeta.

Method Summary

Modifier and Type	Method and Description
Map<String,List<Long>>	getBlockList() Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).
Map<BlockStoreLocation,List<Long>>	getBlockListByStorageLocation() Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).
long	getCapacityBytes()
Map<Pair<String,String>,Long>	getCapacityBytesOnDirs()
Map<String,Long>	getCapacityBytesOnTiers()
Map<String,List<String>>	getDirectoryPathsOnTiers()
Map<String,List<String>>	getLostStorage()
int	getNumberOfBlocks() Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).
StorageTierAssoc	getStorageTierAssoc()
long	getUsedBytes()
Map<Pair<String,String>,Long>	getUsedBytesOnDirs()
Map<String,Long>	getUsedBytesOnTiers()

Method Detail

getBlockList

Map<String,List<Long>> getBlockList()

Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).

Returns:

A mapping from storage tier alias to blocks

getBlockListByStorageLocation

Map<BlockStoreLocation,List<Long>> getBlockListByStorageLocation()

Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).

Returns:

A mapping from storage location alias to blocks

getCapacityBytes

long getCapacityBytes()

Returns:

the capacity in bytes

getCapacityBytesOnTiers

Map<String,Long> getCapacityBytesOnTiers()

Returns:

a mapping from tier aliases to capacity in bytes

getCapacityBytesOnDirs

Map<Pair<String,String>,Long> getCapacityBytesOnDirs()

Returns:

a mapping from tier directory-path pairs to capacity in bytes

getDirectoryPathsOnTiers

Map<String,List<String>> getDirectoryPathsOnTiers()

Returns:

a mapping from tier aliases to directory paths in that tier

getLostStorage

Map<String,List<String>> getLostStorage()

Returns:

a mapping from tier alias to lost storage paths

getNumberOfBlocks

int getNumberOfBlocks()

Note: This is only available in BlockStoreMeta.Factory.createFull(alluxio.worker.block.BlockMetadataManager).

Returns:

the number of blocks

getUsedBytes

long getUsedBytes()

Returns:

the used capacity in bytes

getUsedBytesOnTiers

Map<String,Long> getUsedBytesOnTiers()

Returns:

a mapping from tier aliases to used capacity in bytes

getUsedBytesOnDirs

Map<Pair<String,String>,Long> getUsedBytesOnDirs()

Returns:

a mapping from tier directory-path pairs to used capacity in bytes

getStorageTierAssoc

StorageTierAssoc getStorageTierAssoc()

Returns:

the storage tier mapping