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Change the cache timeout for bundle processors to be an hour for stre…
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…aming pipelines instead of 1 minute. Use an option so that it can be controlled further if desired.
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@scwhittle
scwhittle committed Nov 20, 2024
1 parent 682eaef commit 06972b5
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Showing 3 changed files with 58 additions and 34 deletions.
17 changes: 17 additions & 0 deletions sdks/java/core/src/main/java/org/apache/beam/sdk/options/SdkHarnessOptions.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import static org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Preconditions.checkNotNull;

import com.fasterxml.jackson.annotation.JsonCreator;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
Expand Down Expand Up @@ -386,4 +387,20 @@ static List<Logger> getConfiguredLoggerFromOptions(SdkHarnessOptions loggingOpti
}
return configuredLoggers;
}

@Description(
"Timeout used for cache of bundle processors. Defaults to a minute for batch and an hour for streaming.")
@Default.InstanceFactory(BundleProcessorCacheTimeoutFactory.class)
Duration getBundleProcessorCacheTimeout();

void setBundleProcessorCacheTimeout(Duration duration);

class BundleProcessorCacheTimeoutFactory implements DefaultValueFactory<Duration> {
@Override
public Duration create(PipelineOptions options) {
return options.as(StreamingOptions.class).isStreaming()
? Duration.ofHours(1)
: Duration.ofMinutes(1);
}
}
}
38 changes: 20 additions & 18 deletions sdks/java/harness/src/main/java/org/apache/beam/fn/harness/control/ProcessBundleHandler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@
import org.apache.beam.sdk.metrics.MetricsEnvironment;
import org.apache.beam.sdk.metrics.MetricsEnvironment.MetricsEnvironmentState;
import org.apache.beam.sdk.options.PipelineOptions;
import org.apache.beam.sdk.options.SdkHarnessOptions;
import org.apache.beam.sdk.transforms.DoFn.BundleFinalizer;
import org.apache.beam.sdk.util.WindowedValue;
import org.apache.beam.sdk.util.common.ReflectHelpers;
Expand Down Expand Up @@ -188,7 +189,8 @@ public ProcessBundleHandler(
executionStateSampler,
REGISTERED_RUNNER_FACTORIES,
processWideCache,
new BundleProcessorCache(),
new BundleProcessorCache(
options.as(SdkHarnessOptions.class).getBundleProcessorCacheTimeout()),
dataSampler);
}

Expand Down Expand Up @@ -927,25 +929,25 @@ public int hashCode() {
return super.hashCode();
}

BundleProcessorCache() {
this.cachedBundleProcessors =
BundleProcessorCache(Duration timeout) {
CacheBuilder<String, ConcurrentLinkedQueue<ProcessBundleHandler.BundleProcessor>> builder =
CacheBuilder.newBuilder()
.expireAfterAccess(Duration.ofMinutes(1L))
.removalListener(
removalNotification -> {
((ConcurrentLinkedQueue<BundleProcessor>) removalNotification.getValue())
.forEach(
bundleProcessor -> {
bundleProcessor.shutdown();
});
})
.build(
new CacheLoader<String, ConcurrentLinkedQueue<BundleProcessor>>() {
@Override
public ConcurrentLinkedQueue<BundleProcessor> load(String s) throws Exception {
return new ConcurrentLinkedQueue<>();
}
});
removalNotification ->
removalNotification
.getValue()
.forEach(bundleProcessor -> bundleProcessor.shutdown()));
if (timeout.compareTo(Duration.ZERO) > 0) {
builder = builder.expireAfterAccess(timeout);
}
this.cachedBundleProcessors =
builder.build(
new CacheLoader<String, ConcurrentLinkedQueue<BundleProcessor>>() {
@Override
public ConcurrentLinkedQueue<BundleProcessor> load(String s) throws Exception {
return new ConcurrentLinkedQueue<>();
}
});
// We specifically use a weak hash map so that references will automatically go out of scope
// and not need to be freed explicitly from the cache.
this.activeBundleProcessors = Collections.synchronizedMap(new WeakHashMap<>());
Expand Down
37 changes: 21 additions & 16 deletions ...va/harness/src/test/java/org/apache/beam/fn/harness/control/ProcessBundleHandlerTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
Expand Down Expand Up @@ -354,6 +355,10 @@ void reset() throws Exception {

private static class TestBundleProcessorCache extends BundleProcessorCache {

TestBundleProcessorCache() {
super(Duration.ZERO);
}

@Override
BundleProcessor get(
InstructionRequest processBundleRequest,
Expand All @@ -376,7 +381,7 @@ public void testTrySplitBeforeBundleDoesNotFail() {
executionStateSampler,
ImmutableMap.of(),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);

BeamFnApi.InstructionResponse response =
Expand Down Expand Up @@ -407,7 +412,7 @@ public void testProgressBeforeBundleDoesNotFail() throws Exception {
executionStateSampler,
ImmutableMap.of(),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);

handler.progress(
Expand Down Expand Up @@ -487,7 +492,7 @@ public void testOrderOfStartAndFinishCalls() throws Exception {
DATA_INPUT_URN, startFinishRecorder,
DATA_OUTPUT_URN, startFinishRecorder),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);

handler.processBundle(
Expand Down Expand Up @@ -592,7 +597,7 @@ public void testOrderOfSetupTeardownCalls() throws Exception {
executionStateSampler,
urnToPTransformRunnerFactoryMap,
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);

handler.processBundle(
Expand Down Expand Up @@ -699,7 +704,7 @@ private static InstructionRequest processBundleRequestFor(
public void testBundleProcessorIsFoundWhenActive() {
BundleProcessor bundleProcessor = mock(BundleProcessor.class);
when(bundleProcessor.getInstructionId()).thenReturn("known");
BundleProcessorCache cache = new BundleProcessorCache();
BundleProcessorCache cache = new BundleProcessorCache(Duration.ZERO);

// Check that an unknown bundle processor is not found
assertNull(cache.find("unknown"));
Expand Down Expand Up @@ -811,7 +816,7 @@ public void testCreatingPTransformExceptionsArePropagated() throws Exception {
throw new IllegalStateException("TestException");
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"TestException",
Expand Down Expand Up @@ -862,7 +867,7 @@ public void testBundleFinalizationIsPropagated() throws Exception {
return null;
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
BeamFnApi.InstructionResponse.Builder response =
handler.processBundle(
Expand Down Expand Up @@ -916,7 +921,7 @@ public void testPTransformStartExceptionsArePropagated() {
return null;
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"TestException",
Expand Down Expand Up @@ -1094,7 +1099,7 @@ public void onCompleted() {}
executionStateSampler,
urnToPTransformRunnerFactoryMap,
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
}

Expand Down Expand Up @@ -1427,7 +1432,7 @@ public void testInstructionIsUnregisteredFromBeamFnDataClientOnSuccess() throws
return null;
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
handler.processBundle(
BeamFnApi.InstructionRequest.newBuilder()
Expand Down Expand Up @@ -1500,7 +1505,7 @@ public void testDataProcessingExceptionsArePropagated() throws Exception {
return null;
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"TestException",
Expand Down Expand Up @@ -1551,7 +1556,7 @@ public void testPTransformFinishExceptionsArePropagated() throws Exception {
return null;
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"TestException",
Expand Down Expand Up @@ -1647,7 +1652,7 @@ private void doStateCalls(BeamFnStateClient beamFnStateClient) {
}
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
handler.processBundle(
BeamFnApi.InstructionRequest.newBuilder()
Expand Down Expand Up @@ -1698,7 +1703,7 @@ private void doStateCalls(BeamFnStateClient beamFnStateClient) {
}
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"State API calls are unsupported",
Expand Down Expand Up @@ -1787,7 +1792,7 @@ public void reset() {
return null;
};

BundleProcessorCache bundleProcessorCache = new BundleProcessorCache();
BundleProcessorCache bundleProcessorCache = new BundleProcessorCache(Duration.ZERO);
ProcessBundleHandler handler =
new ProcessBundleHandler(
PipelineOptionsFactory.create(),
Expand Down Expand Up @@ -1930,7 +1935,7 @@ public Object createRunnerForPTransform(Context context) throws IOException {
}
}),
Caches.noop(),
new BundleProcessorCache(),
new BundleProcessorCache(Duration.ZERO),
null /* dataSampler */);
assertThrows(
"Timers are unsupported",
Expand Down

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