Java Code Examples for org.apache.flink.runtime.memory.MemoryManager#DEFAULT_PAGE_SIZE

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Example 1

Source File: UnilateralSortMergerTest.java From Flink-CEPplus with Apache License 2.0

4 votes

@Test
public void testInMemorySorterDisposal() throws Exception {
	final TestingInMemorySorterFactory<Tuple2<Integer, Integer>> inMemorySorterFactory = new TestingInMemorySorterFactory<>();

	final int numPages = 32;
	final MemoryManager memoryManager = new MemoryManager(MemoryManager.DEFAULT_PAGE_SIZE * numPages, 1);
	final IOManagerAsync ioManager = new IOManagerAsync();
	final DummyInvokable parentTask = new DummyInvokable();

	try {
		final List<MemorySegment> memory = memoryManager.allocatePages(parentTask, numPages);
		final UnilateralSortMerger<Tuple2<Integer, Integer>> unilateralSortMerger = new UnilateralSortMerger<>(
			memoryManager,
			memory,
			ioManager,
			EmptyMutableObjectIterator.get(),
			parentTask,
			TestData.getIntIntTupleSerializerFactory(),
			TestData.getIntIntTupleComparator(),
			10,
			2,
			1.0f,
			true,
			false,
			false,
			inMemorySorterFactory);

		final Collection<TestingInMemorySorter<?>> inMemorySorters = inMemorySorterFactory.getInMemorySorters();

		assertThat(inMemorySorters, is(not(empty())));

		unilateralSortMerger.close();

		assertThat(unilateralSortMerger.closed, is(true));

		for (TestingInMemorySorter<?> inMemorySorter : inMemorySorters) {
			assertThat(inMemorySorter.isDisposed(), is(true));
		}
	} finally {
		ioManager.shutdown();
		memoryManager.shutdown();
	}
}

Example 2

Source File: UnilateralSortMergerTest.java From flink with Apache License 2.0

4 votes

@Test
public void testInMemorySorterDisposal() throws Exception {
	final TestingInMemorySorterFactory<Tuple2<Integer, Integer>> inMemorySorterFactory = new TestingInMemorySorterFactory<>();

	final int numPages = 32;
	final MemoryManager memoryManager = new MemoryManager(MemoryManager.DEFAULT_PAGE_SIZE * numPages, 1);
	final DummyInvokable parentTask = new DummyInvokable();

	try (final IOManagerAsync ioManager = new IOManagerAsync()) {
		final List<MemorySegment> memory = memoryManager.allocatePages(parentTask, numPages);
		final UnilateralSortMerger<Tuple2<Integer, Integer>> unilateralSortMerger = new UnilateralSortMerger<>(
			memoryManager,
			memory,
			ioManager,
			EmptyMutableObjectIterator.get(),
			parentTask,
			TestData.getIntIntTupleSerializerFactory(),
			TestData.getIntIntTupleComparator(),
			10,
			2,
			1.0f,
			true,
			false,
			false,
			inMemorySorterFactory);

		final Collection<TestingInMemorySorter<?>> inMemorySorters = inMemorySorterFactory.getInMemorySorters();

		assertThat(inMemorySorters, is(not(empty())));

		unilateralSortMerger.close();

		assertThat(unilateralSortMerger.closed, is(true));

		for (TestingInMemorySorter<?> inMemorySorter : inMemorySorters) {
			assertThat(inMemorySorter.isDisposed(), is(true));
		}
	} finally {
		memoryManager.shutdown();
	}
}