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* Grabs operational limits from streaming config and plumbs them to WindmillSink, which can then throw an exception or log a warning if outputs are too large.
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64
...-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/OperationalLimits.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.beam.runners.dataflow.worker; | ||
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| import com.google.auto.value.AutoBuilder; | ||
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| /** Keep track of any operational limits required by the backend. */ | ||
| public class OperationalLimits { | ||
| // Maximum size of a commit from a single work item. | ||
| public final long maxWorkItemCommitBytes; | ||
| // Maximum size of a single output element's serialized key. | ||
| public final long maxOutputKeyBytes; | ||
| // Maximum size of a single output element's serialized value. | ||
| public final long maxOutputValueBytes; | ||
| // Whether to throw an exception when processing output that violates any of the given limits. | ||
| public final boolean throwExceptionOnLargeOutput; | ||
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| OperationalLimits( | ||
| long maxWorkItemCommitBytes, | ||
| long maxOutputKeyBytes, | ||
| long maxOutputValueBytes, | ||
| boolean throwExceptionOnLargeOutput) { | ||
| this.maxWorkItemCommitBytes = maxWorkItemCommitBytes; | ||
| this.maxOutputKeyBytes = maxOutputKeyBytes; | ||
| this.maxOutputValueBytes = maxOutputValueBytes; | ||
| this.throwExceptionOnLargeOutput = throwExceptionOnLargeOutput; | ||
| } | ||
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| @AutoBuilder(ofClass = OperationalLimits.class) | ||
| public interface Builder { | ||
| Builder setMaxWorkItemCommitBytes(long bytes); | ||
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| Builder setMaxOutputKeyBytes(long bytes); | ||
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| Builder setMaxOutputValueBytes(long bytes); | ||
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| Builder setThrowExceptionOnLargeOutput(boolean shouldThrow); | ||
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| OperationalLimits build(); | ||
| } | ||
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| public static Builder builder() { | ||
| return new AutoBuilder_OperationalLimits_Builder() | ||
| .setMaxWorkItemCommitBytes(Long.MAX_VALUE) | ||
| .setMaxOutputKeyBytes(Long.MAX_VALUE) | ||
| .setMaxOutputValueBytes(Long.MAX_VALUE) | ||
| .setThrowExceptionOnLargeOutput(false); | ||
| } | ||
| } |
38 changes: 38 additions & 0 deletions
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...worker/src/main/java/org/apache/beam/runners/dataflow/worker/OutputTooLargeException.java
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| @@ -0,0 +1,38 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.beam.runners.dataflow.worker; | ||
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| import org.checkerframework.checker.nullness.qual.Nullable; | ||
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| /** Indicates that an output element was too large. */ | ||
| public class OutputTooLargeException extends RuntimeException { | ||
| public OutputTooLargeException(String reason) { | ||
| super(reason); | ||
| } | ||
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| /** Returns whether an exception was caused by a {@link OutputTooLargeException}. */ | ||
| public static boolean isCausedByOutputTooLargeException(@Nullable Throwable t) { | ||
| while (t != null) { | ||
| if (t instanceof OutputTooLargeException) { | ||
| return true; | ||
| } | ||
| t = t.getCause(); | ||
| } | ||
| return false; | ||
| } | ||
| } |
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