Package org.apache.flink.runtime.blob

Interface Summary

Interface	Description
BlobService	A simple store and retrieve binary large objects (BLOBs).
BlobStore	A blob store.
BlobStoreService	Service interface for the BlobStore which allows to close and clean up its data.
BlobView	View on blobs stored in a BlobStore.
BlobWriter	BlobWriter is used to upload data to the BLOB store.
JobPermanentBlobService	PermanentBlobService extension that gives access to register and release job artifacts.
PermanentBlobService	A service to retrieve permanent binary large objects (BLOBs).
TaskExecutorBlobService	BlobService that gives access to a JobPermanentBlobService and allows to set the target blob server address.
TransientBlobService	A service to retrieve transient binary large objects (BLOBs) which are deleted on the BlobServer when they are retrieved.

Class Summary

Class	Description
AbstractBlobCache	Abstract base class for permanent and transient BLOB files.
BlobCacheService	The BLOB cache provides access to BLOB services for permanent and transient BLOBs.
BlobCacheSizeTracker	BlobCacheSizeTracker uses LinkedHashMap to maintain the LRU order for the files in the cache.
BlobClient	The BLOB client can communicate with the BLOB server and either upload (PUT), download (GET), or delete (DELETE) BLOBs.
BlobKey	A BLOB key uniquely identifies a BLOB.
BlobServer	This class implements the BLOB server.
BlobServerProtocol	Defines constants for the protocol between the BLOB server and the caches.
BlobUtils	Utility class to work with blob data.
FileSystemBlobStore	Blob store backed by FileSystem.
PermanentBlobCache	Provides a cache for permanent BLOB files including a per-job ref-counting and a staged cleanup.
PermanentBlobKey	BLOB key referencing permanent BLOB files.
TransientBlobCache	Provides access to transient BLOB files stored at the BlobServer.
TransientBlobKey	BLOB key referencing transient BLOB files.
VoidBlobStore	A blob store doing nothing.
VoidBlobWriter	BlobWriter which does not support writing BLOBs to a store.