org.apache.flink.runtime.state.filesystem.FsStateBackendFactory Java Examples
The following examples show how to use
org.apache.flink.runtime.state.filesystem.FsStateBackendFactory.
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Example #1
| Source File: StateBackendLoadingTest.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
/**
* Validates loading a file system state backend with additional parameters from the cluster configuration.
*/
@Test
public void testLoadFileSystemStateBackend() throws Exception {
final String checkpointDir = new Path(tmp.newFolder().toURI()).toString();
final String savepointDir = new Path(tmp.newFolder().toURI()).toString();
final Path expectedCheckpointsPath = new Path(checkpointDir);
final Path expectedSavepointsPath = new Path(savepointDir);
final int threshold = 1000000;
final boolean async = !CheckpointingOptions.ASYNC_SNAPSHOTS.defaultValue();
// we configure with the explicit string (rather than AbstractStateBackend#X_STATE_BACKEND_NAME)
// to guard against config-breaking changes of the name
final Configuration config1 = new Configuration();
config1.setString(backendKey, "filesystem");
config1.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config1.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config1.setInteger(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config1.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
final Configuration config2 = new Configuration();
config2.setString(backendKey, FsStateBackendFactory.class.getName());
config2.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config2.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config2.setInteger(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config2.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
StateBackend backend1 = StateBackendLoader.loadStateBackendFromConfig(config1, cl, null);
StateBackend backend2 = StateBackendLoader.loadStateBackendFromConfig(config2, cl, null);
assertTrue(backend1 instanceof FsStateBackend);
assertTrue(backend2 instanceof FsStateBackend);
FsStateBackend fs1 = (FsStateBackend) backend1;
FsStateBackend fs2 = (FsStateBackend) backend2;
assertEquals(expectedCheckpointsPath, fs1.getCheckpointPath());
assertEquals(expectedCheckpointsPath, fs2.getCheckpointPath());
assertEquals(expectedSavepointsPath, fs1.getSavepointPath());
assertEquals(expectedSavepointsPath, fs2.getSavepointPath());
assertEquals(threshold, fs1.getMinFileSizeThreshold());
assertEquals(threshold, fs2.getMinFileSizeThreshold());
assertEquals(async, fs1.isUsingAsynchronousSnapshots());
assertEquals(async, fs2.isUsingAsynchronousSnapshots());
}
Example #2
| Source File: StateBackendLoadingTest.java From flink with Apache License 2.0 | 4 votes |
|
/**
* Validates loading a file system state backend with additional parameters from the cluster configuration.
*/
@Test
public void testLoadFileSystemStateBackend() throws Exception {
final String checkpointDir = new Path(tmp.newFolder().toURI()).toString();
final String savepointDir = new Path(tmp.newFolder().toURI()).toString();
final Path expectedCheckpointsPath = new Path(checkpointDir);
final Path expectedSavepointsPath = new Path(savepointDir);
final int threshold = 1000000;
final int minWriteBufferSize = 1024;
final boolean async = !CheckpointingOptions.ASYNC_SNAPSHOTS.defaultValue();
// we configure with the explicit string (rather than AbstractStateBackend#X_STATE_BACKEND_NAME)
// to guard against config-breaking changes of the name
final Configuration config1 = new Configuration();
config1.setString(backendKey, "filesystem");
config1.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config1.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config1.setInteger(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config1.setInteger(CheckpointingOptions.FS_WRITE_BUFFER_SIZE, minWriteBufferSize);
config1.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
final Configuration config2 = new Configuration();
config2.setString(backendKey, FsStateBackendFactory.class.getName());
config2.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config2.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config2.setInteger(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config1.setInteger(CheckpointingOptions.FS_WRITE_BUFFER_SIZE, minWriteBufferSize);
config2.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
StateBackend backend1 = StateBackendLoader.loadStateBackendFromConfig(config1, cl, null);
StateBackend backend2 = StateBackendLoader.loadStateBackendFromConfig(config2, cl, null);
assertTrue(backend1 instanceof FsStateBackend);
assertTrue(backend2 instanceof FsStateBackend);
FsStateBackend fs1 = (FsStateBackend) backend1;
FsStateBackend fs2 = (FsStateBackend) backend2;
assertEquals(expectedCheckpointsPath, fs1.getCheckpointPath());
assertEquals(expectedCheckpointsPath, fs2.getCheckpointPath());
assertEquals(expectedSavepointsPath, fs1.getSavepointPath());
assertEquals(expectedSavepointsPath, fs2.getSavepointPath());
assertEquals(threshold, fs1.getMinFileSizeThreshold());
assertEquals(threshold, fs2.getMinFileSizeThreshold());
assertEquals(Math.max(threshold, minWriteBufferSize), fs1.getWriteBufferSize());
assertEquals(Math.max(threshold, minWriteBufferSize), fs2.getWriteBufferSize());
assertEquals(async, fs1.isUsingAsynchronousSnapshots());
assertEquals(async, fs2.isUsingAsynchronousSnapshots());
}
Example #3
| Source File: StateBackendLoadingTest.java From flink with Apache License 2.0 | 4 votes |
|
/**
* Validates loading a file system state backend with additional parameters from the cluster configuration.
*/
@Test
public void testLoadFileSystemStateBackend() throws Exception {
final String checkpointDir = new Path(tmp.newFolder().toURI()).toString();
final String savepointDir = new Path(tmp.newFolder().toURI()).toString();
final Path expectedCheckpointsPath = new Path(checkpointDir);
final Path expectedSavepointsPath = new Path(savepointDir);
final MemorySize threshold = MemorySize.parse("900kb");
final int minWriteBufferSize = 1024;
final boolean async = !CheckpointingOptions.ASYNC_SNAPSHOTS.defaultValue();
// we configure with the explicit string (rather than AbstractStateBackend#X_STATE_BACKEND_NAME)
// to guard against config-breaking changes of the name
final Configuration config1 = new Configuration();
config1.setString(backendKey, "filesystem");
config1.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config1.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config1.set(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config1.setInteger(CheckpointingOptions.FS_WRITE_BUFFER_SIZE, minWriteBufferSize);
config1.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
final Configuration config2 = new Configuration();
config2.setString(backendKey, FsStateBackendFactory.class.getName());
config2.setString(CheckpointingOptions.CHECKPOINTS_DIRECTORY, checkpointDir);
config2.setString(CheckpointingOptions.SAVEPOINT_DIRECTORY, savepointDir);
config2.set(CheckpointingOptions.FS_SMALL_FILE_THRESHOLD, threshold);
config1.setInteger(CheckpointingOptions.FS_WRITE_BUFFER_SIZE, minWriteBufferSize);
config2.setBoolean(CheckpointingOptions.ASYNC_SNAPSHOTS, async);
StateBackend backend1 = StateBackendLoader.loadStateBackendFromConfig(config1, cl, null);
StateBackend backend2 = StateBackendLoader.loadStateBackendFromConfig(config2, cl, null);
assertTrue(backend1 instanceof FsStateBackend);
assertTrue(backend2 instanceof FsStateBackend);
FsStateBackend fs1 = (FsStateBackend) backend1;
FsStateBackend fs2 = (FsStateBackend) backend2;
assertEquals(expectedCheckpointsPath, fs1.getCheckpointPath());
assertEquals(expectedCheckpointsPath, fs2.getCheckpointPath());
assertEquals(expectedSavepointsPath, fs1.getSavepointPath());
assertEquals(expectedSavepointsPath, fs2.getSavepointPath());
assertEquals(threshold.getBytes(), fs1.getMinFileSizeThreshold());
assertEquals(threshold.getBytes(), fs2.getMinFileSizeThreshold());
assertEquals(Math.max(threshold.getBytes(), minWriteBufferSize), fs1.getWriteBufferSize());
assertEquals(Math.max(threshold.getBytes(), minWriteBufferSize), fs2.getWriteBufferSize());
assertEquals(async, fs1.isUsingAsynchronousSnapshots());
assertEquals(async, fs2.isUsingAsynchronousSnapshots());
}
