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[Feature] Support flow control in zeta (apache#309)
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42 changes: 42 additions & 0 deletions
42
...-starter/src/main/java/org/apache/seatunnel/core/starter/flowcontrol/FlowControlGate.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.seatunnel.core.starter.flowcontrol; | ||
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| import org.apache.seatunnel.shade.com.google.common.util.concurrent.RateLimiter; | ||
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| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
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| public class FlowControlGate { | ||
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| private final RateLimiter bytesRateLimiter; | ||
| private final RateLimiter countRateLimiter; | ||
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| private FlowControlGate(FlowControlStrategy flowControlStrategy) { | ||
| this.bytesRateLimiter = RateLimiter.create(flowControlStrategy.getBytesPerSecond()); | ||
| this.countRateLimiter = RateLimiter.create(flowControlStrategy.getCountPreSecond()); | ||
| } | ||
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| public void audit(SeaTunnelRow row) { | ||
| bytesRateLimiter.acquire(row.getBytesSize()); | ||
| countRateLimiter.acquire(); | ||
| } | ||
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| public static FlowControlGate create(FlowControlStrategy flowControlStrategy) { | ||
| return new FlowControlGate(flowControlStrategy); | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
...rter/src/main/java/org/apache/seatunnel/core/starter/flowcontrol/FlowControlStrategy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.seatunnel.core.starter.flowcontrol; | ||
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| import lombok.Getter; | ||
| import lombok.Setter; | ||
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| @Getter | ||
| @Setter | ||
| public class FlowControlStrategy { | ||
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| int bytesPerSecond; | ||
| int countPreSecond; | ||
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| public FlowControlStrategy(int bytesPerSecond, int countPreSecond) { | ||
| if (bytesPerSecond <= 0 || countPreSecond <= 0) { | ||
| throw new IllegalArgumentException( | ||
| "bytesPerSecond and countPreSecond must be positive"); | ||
| } | ||
| this.bytesPerSecond = bytesPerSecond; | ||
| this.countPreSecond = countPreSecond; | ||
| } | ||
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| public static FlowControlStrategy of(int bytesPerSecond, int countPreSecond) { | ||
| return new FlowControlStrategy(bytesPerSecond, countPreSecond); | ||
| } | ||
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| public static FlowControlStrategy ofBytes(int bytesPerSecond) { | ||
| return new FlowControlStrategy(bytesPerSecond, Integer.MAX_VALUE); | ||
| } | ||
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| public static FlowControlStrategy ofCount(int countPreSecond) { | ||
| return new FlowControlStrategy(Integer.MAX_VALUE, countPreSecond); | ||
| } | ||
| } |
95 changes: 95 additions & 0 deletions
95
...rter/src/test/java/org/apache/seatunnel/core/starter/flowcontrol/FlowControlGateTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package org.apache.seatunnel.core.starter.flowcontrol; | ||
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| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
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| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.math.BigDecimal; | ||
| import java.time.Clock; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public class FlowControlGateTest { | ||
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| private static final int rowSize = 181; | ||
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| @Test | ||
| public void testWithBytes() { | ||
| Clock clock = Clock.systemDefaultZone(); | ||
| FlowControlGate flowControlGate = FlowControlGate.create(FlowControlStrategy.ofBytes(100)); | ||
| List<SeaTunnelRow> rows = getRows(10); | ||
| long start = clock.millis(); | ||
| for (SeaTunnelRow row : rows) { | ||
| flowControlGate.audit(row); | ||
| } | ||
| long end = clock.millis(); | ||
| long useTime = rowSize * 10 / 100 * 1000; | ||
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| Assertions.assertTrue(end - start > useTime * 0.8 && end - start < useTime * 1.2); | ||
| } | ||
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| @Test | ||
| public void testWithCount() { | ||
| Clock clock = Clock.systemDefaultZone(); | ||
| FlowControlGate flowControlGate = FlowControlGate.create(FlowControlStrategy.ofCount(2)); | ||
| List<SeaTunnelRow> rows = getRows(10); | ||
| long start = clock.millis(); | ||
| for (SeaTunnelRow row : rows) { | ||
| flowControlGate.audit(row); | ||
| } | ||
| long end = clock.millis(); | ||
| long useTime = 10 / 2 * 1000; | ||
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| Assertions.assertTrue(end - start > useTime * 0.8 && end - start < useTime * 1.2); | ||
| } | ||
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| @Test | ||
| public void testWithBytesAndCount() { | ||
| Clock clock = Clock.systemDefaultZone(); | ||
| FlowControlGate flowControlGate = FlowControlGate.create(FlowControlStrategy.of(100, 2)); | ||
| List<SeaTunnelRow> rows = getRows(10); | ||
| long start = clock.millis(); | ||
| for (SeaTunnelRow row : rows) { | ||
| flowControlGate.audit(row); | ||
| } | ||
| long end = clock.millis(); | ||
| long useTime = rowSize * 10 / 100 * 1000; | ||
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| Assertions.assertTrue(end - start > useTime * 0.8 && end - start < useTime * 1.2); | ||
| } | ||
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| /** return row list with size, each row size is 181 */ | ||
| private List<SeaTunnelRow> getRows(int size) { | ||
| Map<String, Object> map = new HashMap<>(); | ||
| map.put( | ||
| "key1", | ||
| new SeaTunnelRow( | ||
| new Object[] { | ||
| 1, "test", 1L, new BigDecimal("3333.333"), | ||
| })); | ||
| map.put( | ||
| "key2", | ||
| new SeaTunnelRow( | ||
| new Object[] { | ||
| 1, "test", 1L, new BigDecimal("3333.333"), | ||
| })); | ||
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| List<SeaTunnelRow> rows = new ArrayList<>(); | ||
| for (int i = 0; i < size; i++) { | ||
| rows.add( | ||
| new SeaTunnelRow( | ||
| new Object[] { | ||
| 1, | ||
| "test", | ||
| 1L, | ||
| map, | ||
| new BigDecimal("3333.333"), | ||
| new String[] {"test2", "test", "3333.333"} | ||
| })); | ||
| } | ||
| return rows; | ||
| } | ||
| } |
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