Examples with ConcurrentFramePool org.apache.asterix.common.memory.ConcurrentFramePool used on opensource projects

Example 16 with ConcurrentFramePool

use of org.apache.asterix.common.memory.ConcurrentFramePool in project asterixdb by apache.

the class InputHandlerTest method testMemoryFixedSizeFrameWithSpillWithDiscard.

/*
     * Spill = true;
     * Discard = true
     * Fixed size frames
     */
@Test
public void testMemoryFixedSizeFrameWithSpillWithDiscard() {
    try {
        int numberOfMemoryFrames = 50;
        int numberOfSpillFrames = 50;
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        // Spill budget = Memory budget, No discard
        FeedPolicyAccessor fpa = createFeedPolicyAccessor(true, true, DEFAULT_FRAME_SIZE * numberOfSpillFrames, DISCARD_ALLOWANCE);
        // Non-Active Writer
        TestControlledFrameWriter writer = FrameWriterTestUtils.create(DEFAULT_FRAME_SIZE, false);
        writer.freeze();
        // FramePool
        ConcurrentFramePool framePool = new ConcurrentFramePool(NODE_ID, numberOfMemoryFrames * DEFAULT_FRAME_SIZE, DEFAULT_FRAME_SIZE);
        FeedRuntimeInputHandler handler = createInputHandler(ctx, writer, fpa, framePool);
        handler.open();
        VSizeFrame frame = new VSizeFrame(ctx);
        for (int i = 0; i < numberOfMemoryFrames; i++) {
            handler.nextFrame(frame.getBuffer());
        }
        // Now we need to verify that the frame pool memory has been consumed!
        Assert.assertEquals(0, framePool.remaining());
        Assert.assertEquals(numberOfMemoryFrames, handler.getTotal());
        Assert.assertEquals(0, handler.getNumSpilled());
        Assert.assertEquals(0, handler.getNumStalled());
        Assert.assertEquals(0, handler.getNumDiscarded());
        for (int i = 0; i < numberOfSpillFrames; i++) {
            handler.nextFrame(frame.getBuffer());
        }
        Assert.assertEquals(0, framePool.remaining());
        Assert.assertEquals(numberOfMemoryFrames + numberOfSpillFrames, handler.getTotal());
        Assert.assertEquals(numberOfSpillFrames, handler.getNumSpilled());
        Assert.assertEquals(0, handler.getNumStalled());
        Assert.assertEquals(0, handler.getNumDiscarded());
        // We can only discard one frame
        double numDiscarded = 0;
        boolean nextShouldDiscard = ((numDiscarded + 1.0) / (handler.getTotal() + 1.0)) <= fpa.getMaxFractionDiscard();
        while (nextShouldDiscard) {
            handler.nextFrame(frame.getBuffer());
            numDiscarded++;
            nextShouldDiscard = (numDiscarded + 1.0) / (handler.getTotal() + 1.0) <= fpa.getMaxFractionDiscard();
        }
        Assert.assertEquals(0, framePool.remaining());
        Assert.assertEquals((int) (numberOfMemoryFrames + numberOfSpillFrames + numDiscarded), handler.getTotal());
        Assert.assertEquals(numberOfSpillFrames, handler.getNumSpilled());
        Assert.assertEquals(0, handler.getNumStalled());
        Assert.assertEquals((int) numDiscarded, handler.getNumDiscarded());
        // Next Call should block since we're exceeding the discard allowance
        Future<?> result = EXECUTOR.submit(new Pusher(frame.getBuffer(), handler));
        if (result.isDone()) {
            Assert.fail("The producer should switch to stall mode since it is exceeding the discard allowance");
        } else {
            Assert.assertEquals((int) numDiscarded, handler.getNumDiscarded());
        }
        // consume memory frames
        writer.unfreeze();
        result.get();
        handler.close();
        Assert.assertTrue(result.isDone());
        Assert.assertEquals(writer.nextFrameCount(), numberOfMemoryFrames + numberOfSpillFrames + 1);
    } catch (Throwable th) {
        th.printStackTrace();
        Assert.fail();
    }
    Assert.assertNull(cause);
}

Example 17 with ConcurrentFramePool

use of org.apache.asterix.common.memory.ConcurrentFramePool in project asterixdb by apache.

the class InputHandlerTest method testZeroMemoryFixedSizeFrameWithDiskNoDiscard.

@Test
public void testZeroMemoryFixedSizeFrameWithDiskNoDiscard() {
    try {
        int numRounds = 10;
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        // No spill, No discard
        FeedPolicyAccessor fpa = createFeedPolicyAccessor(true, false, NUM_FRAMES * DEFAULT_FRAME_SIZE, DISCARD_ALLOWANCE);
        // Non-Active Writer
        TestFrameWriter writer = FrameWriterTestUtils.create(Collections.emptyList(), Collections.emptyList(), false);
        // FramePool
        ConcurrentFramePool framePool = new ConcurrentFramePool(NODE_ID, 0, DEFAULT_FRAME_SIZE);
        FeedRuntimeInputHandler handler = createInputHandler(ctx, writer, fpa, framePool);
        handler.open();
        VSizeFrame frame = new VSizeFrame(ctx);
        handler.nextFrame(frame.getBuffer());
        Assert.assertEquals(0, handler.getNumProcessedInMemory());
        Assert.assertEquals(1, handler.getNumSpilled());
        // add NUM_FRAMES times
        for (int i = 0; i < NUM_FRAMES * numRounds; i++) {
            handler.nextFrame(frame.getBuffer());
        }
        // Check that no records were discarded
        Assert.assertEquals(handler.getNumDiscarded(), 0);
        // Check that no records were spilled
        Assert.assertEquals(NUM_FRAMES * numRounds + 1, handler.getNumSpilled());
        writer.validate(false);
        handler.close();
        // Check that nextFrame was called
        Assert.assertEquals(NUM_FRAMES * numRounds + 1, writer.nextFrameCount());
        writer.validate(true);
    } catch (Throwable th) {
        th.printStackTrace();
        Assert.fail();
    } finally {
        Assert.assertNull(cause);
    }
}

Example 18 with ConcurrentFramePool

use of org.apache.asterix.common.memory.ConcurrentFramePool in project asterixdb by apache.

the class InputHandlerTest method testMemoryFixedSizeFrameNoDiskNoDiscard.

/*
     * Spill = false;
     * Discard = false;
     * Fixed size frames
     */
@Test
public void testMemoryFixedSizeFrameNoDiskNoDiscard() {
    try {
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        // No spill, No discard
        FeedPolicyAccessor fpa = createFeedPolicyAccessor(false, false, 0L, DISCARD_ALLOWANCE);
        // Non-Active Writer
        TestControlledFrameWriter writer = FrameWriterTestUtils.create(DEFAULT_FRAME_SIZE, false);
        writer.freeze();
        // FramePool
        ConcurrentFramePool framePool = new ConcurrentFramePool(NODE_ID, FEED_MEM_BUDGET, DEFAULT_FRAME_SIZE);
        FeedRuntimeInputHandler handler = createInputHandler(ctx, writer, fpa, framePool);
        handler.open();
        VSizeFrame frame = new VSizeFrame(ctx);
        // add NUM_FRAMES times
        for (int i = 0; i < NUM_FRAMES; i++) {
            handler.nextFrame(frame.getBuffer());
        }
        // Next call should block we will do it in a different thread
        Future<?> result = EXECUTOR.submit(new Pusher(frame.getBuffer(), handler));
        // Check that the nextFrame didn't return
        if (result.isDone()) {
            Assert.fail();
        } else {
            // Check that no records were discarded
            Assert.assertEquals(handler.getNumDiscarded(), 0);
            // Check that no records were spilled
            Assert.assertEquals(handler.getNumSpilled(), 0);
            // Check that no records were discarded
            // Check that the inputHandler subscribed to the framePool
            // Check that number of stalled is not greater than 1
            Assert.assertTrue(handler.getNumStalled() <= 1);
            writer.kick();
        }
        result.get();
        writer.unfreeze();
        handler.close();
    } catch (Throwable th) {
        th.printStackTrace();
        Assert.fail();
    }
    Assert.assertNull(cause);
}

Example 19 with ConcurrentFramePool

use of org.apache.asterix.common.memory.ConcurrentFramePool in project asterixdb by apache.

the class InputHandlerTest method testMemoryFixedSizeFrameNoSpillWithDiscard.

/*
     * Spill = false;
     * Discard = true; discard only 5%
     * Fixed size frames
     */
@Test
public void testMemoryFixedSizeFrameNoSpillWithDiscard() {
    try {
        int discardTestFrames = 100;
        IHyracksTaskContext ctx = TestUtils.create(DEFAULT_FRAME_SIZE);
        // Spill budget = Memory budget, No discard
        FeedPolicyAccessor fpa = createFeedPolicyAccessor(false, true, DEFAULT_FRAME_SIZE, DISCARD_ALLOWANCE);
        // Non-Active Writer
        TestControlledFrameWriter writer = FrameWriterTestUtils.create(DEFAULT_FRAME_SIZE, false);
        writer.freeze();
        // FramePool
        ConcurrentFramePool framePool = new ConcurrentFramePool(NODE_ID, discardTestFrames * DEFAULT_FRAME_SIZE, DEFAULT_FRAME_SIZE);
        FeedRuntimeInputHandler handler = createInputHandler(ctx, writer, fpa, framePool);
        handler.open();
        VSizeFrame frame = new VSizeFrame(ctx);
        // add NUM_FRAMES times
        for (int i = 0; i < discardTestFrames; i++) {
            handler.nextFrame(frame.getBuffer());
        }
        // Next 5 calls call should NOT block but should discard.
        double numDiscarded = 0.0;
        boolean nextShouldDiscard = ((numDiscarded + 1.0) / (handler.getTotal() + 1.0)) <= fpa.getMaxFractionDiscard();
        while (nextShouldDiscard) {
            handler.nextFrame(frame.getBuffer());
            numDiscarded++;
            nextShouldDiscard = ((numDiscarded + 1.0) / (handler.getTotal() + 1.0)) <= fpa.getMaxFractionDiscard();
        }
        // Next Call should block since we're exceeding the discard allowance
        Future<?> result = EXECUTOR.submit(new Pusher(frame.getBuffer(), handler));
        if (result.isDone()) {
            Assert.fail("The producer should switch to stall mode since it is exceeding the discard allowance");
        } else {
            // Check that no records were discarded
            Assert.assertEquals((int) numDiscarded, handler.getNumDiscarded());
            // Check that one frame is spilled
            Assert.assertEquals(handler.getNumSpilled(), 0);
        }
        // consume memory frames
        writer.unfreeze();
        result.get();
        handler.close();
        Assert.assertEquals(writer.nextFrameCount(), discardTestFrames + 1);
    // exit
    } catch (Throwable th) {
        th.printStackTrace();
        Assert.fail();
    }
    Assert.assertNull(cause);
}

Example 20 with ConcurrentFramePool

use of org.apache.asterix.common.memory.ConcurrentFramePool in project asterixdb by apache.

the class ConcurrentFramePoolUnitTest method testConcurrentVarSizeMemoryManager.

@org.junit.Test
public void testConcurrentVarSizeMemoryManager() {
    try {
        ActiveProperties afp = Mockito.mock(ActiveProperties.class);
        Mockito.when(afp.getMemoryComponentGlobalBudget()).thenReturn(FEED_MEM_BUDGET);
        ConcurrentFramePool fmm = new ConcurrentFramePool("TestNode", afp.getMemoryComponentGlobalBudget(), DEFAULT_FRAME_SIZE);
        VarSizeAllocator[] runners = new VarSizeAllocator[NUM_THREADS];
        Thread[] threads = new Thread[NUM_THREADS];
        Arrays.parallelSetAll(runners, (int i) -> new VarSizeAllocator(fmm));
        for (int i = 0; i < threads.length; i++) {
            threads[i] = new Thread(runners[i]);
        }
        for (int i = 0; i < threads.length; i++) {
            threads[i].start();
        }
        for (int i = 0; i < threads.length; i++) {
            threads[i].join();
        }
        int allocated = 0;
        for (int i = 0; i < threads.length; i++) {
            if (runners[i].cause() != null) {
                runners[i].cause().printStackTrace();
                Assert.fail(runners[i].cause().getMessage());
            }
            allocated += runners[i].getAllocated();
        }
        Assert.assertEquals(allocated <= NUM_FRAMES, true);
        for (int i = 0; i < threads.length; i++) {
            Assert.assertEquals(allocated + runners[i].getLastReq() > NUM_FRAMES, true);
        }
        Assert.assertEquals(allocated + fmm.remaining(), NUM_FRAMES);
    } catch (Throwable th) {
        th.printStackTrace();
        Assert.fail(th.getMessage());
    }
    Assert.assertNull(cause);
}