org.apache.flink.contrib.streaming.state

类 RocksDBStateUploader

java.lang.Object

org.apache.flink.contrib.streaming.state.RocksDBStateUploader

所有已实现的接口:

Closeable, AutoCloseable

public class RocksDBStateUploader
extends Object

Help class for uploading RocksDB state files.

字段概要

字段

限定符和类型	字段和说明
protected ExecutorService	executorService

构造器概要

构造器

构造器和说明
RocksDBStateUploader(int numberOfSnapshottingThreads)

方法概要

限定符和类型	方法和说明
void	close()
List<org.apache.flink.runtime.state.IncrementalKeyedStateHandle.HandleAndLocalPath>	uploadFilesToCheckpointFs(List<Path> files, org.apache.flink.runtime.state.CheckpointStreamFactory checkpointStreamFactory, org.apache.flink.runtime.state.CheckpointedStateScope stateScope, org.apache.flink.core.fs.CloseableRegistry closeableRegistry, org.apache.flink.core.fs.CloseableRegistry tmpResourcesRegistry) Upload all the files to checkpoint fileSystem using specified number of threads.

从类继承的方法 java.lang.Object

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

字段详细资料

executorService

protected final ExecutorService executorService

构造器详细资料

RocksDBStateUploader

public RocksDBStateUploader(int numberOfSnapshottingThreads)

方法详细资料

uploadFilesToCheckpointFs

public List<org.apache.flink.runtime.state.IncrementalKeyedStateHandle.HandleAndLocalPath> uploadFilesToCheckpointFs(@Nonnull
                                                                                                                     List<Path> files,
                                                                                                                     org.apache.flink.runtime.state.CheckpointStreamFactory checkpointStreamFactory,
                                                                                                                     org.apache.flink.runtime.state.CheckpointedStateScope stateScope,
                                                                                                                     org.apache.flink.core.fs.CloseableRegistry closeableRegistry,
                                                                                                                     org.apache.flink.core.fs.CloseableRegistry tmpResourcesRegistry)
                                                                                                              throws Exception

Upload all the files to checkpoint fileSystem using specified number of threads.

参数:

files - The files will be uploaded to checkpoint filesystem.

checkpointStreamFactory - The checkpoint streamFactory used to create outputstream.

stateScope -

抛出:

Exception - Thrown if can not upload all the files.

close

public void close()

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable