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implement broadcast distributing downstream
rename existing distributing downstream to ModuloDistributingDownstream
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88
...rc/main/java/io/crate/executor/transport/distributed/BroadcastDistributingDownstream.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Licensed to CRATE.IO GmbH ("Crate") under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with this work for | ||
| * additional information regarding copyright ownership. Crate 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. | ||
| * | ||
| * However, if you have executed another commercial license agreement | ||
| * with Crate these terms will supersede the license and you may use the | ||
| * software solely pursuant to the terms of the relevant commercial agreement. | ||
| */ | ||
|
|
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| package io.crate.executor.transport.distributed; | ||
|
|
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| import io.crate.Constants; | ||
| import io.crate.Streamer; | ||
| import io.crate.core.collections.Bucket; | ||
| import io.crate.core.collections.Row; | ||
| import org.elasticsearch.common.logging.ESLogger; | ||
| import org.elasticsearch.common.logging.Loggers; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.UUID; | ||
|
|
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| public class BroadcastDistributingDownstream extends DistributingDownstream { | ||
|
|
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| private static final ESLogger LOGGER = Loggers.getLogger(BroadcastDistributingDownstream.class); | ||
|
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| private final SingleBucketBuilder bucketBuilder; | ||
|
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| public BroadcastDistributingDownstream(UUID jobId, | ||
| int targetExecutionNodeId, | ||
| int bucketIdx, | ||
| Collection<String> downstreamNodeIds, | ||
| TransportDistributedResultAction transportDistributedResultAction, | ||
| Streamer<?>[] streamers) { | ||
| super(jobId, targetExecutionNodeId, bucketIdx, downstreamNodeIds, transportDistributedResultAction, streamers); | ||
|
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| bucketBuilder = new SingleBucketBuilder(streamers); | ||
| } | ||
|
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| @Override | ||
| public boolean setNextRow(Row row) { | ||
| if (allDownstreamsFinished()) { | ||
| return false; | ||
| } | ||
| try { | ||
| bucketBuilder.setNextRow(row); | ||
| sendRequestsIfNeeded(); | ||
| } catch (Exception e) { | ||
| fail(e); | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
|
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| private void sendRequestsIfNeeded() { | ||
| int size = bucketBuilder.size(); | ||
| if (size >= Constants.PAGE_SIZE || remainingUpstreams.get() <= 0) { | ||
| Bucket bucket = bucketBuilder.build(); | ||
| for (Downstream downstream : downstreams) { | ||
| if (downstream.wantMore.get()) { | ||
| downstream.bucketQueue.add(bucket); | ||
| downstream.sendRequest(remainingUpstreams.get() <= 0); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected void onAllUpstreamsFinished() { | ||
| sendRequestsIfNeeded(); | ||
| } | ||
|
|
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| @Override | ||
| protected ESLogger logger() { | ||
| return LOGGER; | ||
| } | ||
| } |
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87 changes: 87 additions & 0 deletions
87
sql/src/main/java/io/crate/executor/transport/distributed/ModuloDistributingDownstream.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * Licensed to CRATE.IO GmbH ("Crate") under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with this work for | ||
| * additional information regarding copyright ownership. Crate 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. | ||
| * | ||
| * However, if you have executed another commercial license agreement | ||
| * with Crate these terms will supersede the license and you may use the | ||
| * software solely pursuant to the terms of the relevant commercial agreement. | ||
| */ | ||
|
|
||
| package io.crate.executor.transport.distributed; | ||
|
|
||
| import io.crate.Constants; | ||
| import io.crate.Streamer; | ||
| import io.crate.core.collections.Row; | ||
| import org.elasticsearch.common.logging.ESLogger; | ||
| import org.elasticsearch.common.logging.Loggers; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Collection; | ||
| import java.util.UUID; | ||
|
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| public class ModuloDistributingDownstream extends DistributingDownstream { | ||
|
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| private static final ESLogger LOGGER = Loggers.getLogger(ModuloDistributingDownstream.class); | ||
|
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| private final MultiBucketBuilder bucketBuilder; | ||
|
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| public ModuloDistributingDownstream(UUID jobId, | ||
| int targetExecutionNodeId, | ||
| int bucketIdx, | ||
| Collection<String> downstreamNodeIds, | ||
| TransportDistributedResultAction transportDistributedResultAction, | ||
| Streamer<?>[] streamers) { | ||
| super(jobId, targetExecutionNodeId, bucketIdx, downstreamNodeIds, transportDistributedResultAction, streamers); | ||
|
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| bucketBuilder = new MultiBucketBuilder(streamers, downstreams.length); | ||
| } | ||
|
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| @Override | ||
| public boolean setNextRow(Row row) { | ||
| if (allDownstreamsFinished()) { | ||
| return false; | ||
| } | ||
| try { | ||
| int downstreamIdx = bucketBuilder.getBucket(row); | ||
| // only collect if downstream want more rows, otherwise just ignore the row | ||
| if (downstreams[downstreamIdx].wantMore.get()) { | ||
| bucketBuilder.setNextRow(downstreamIdx, row); | ||
| sendRequestIfNeeded(downstreamIdx); | ||
| } | ||
| } catch (IOException e) { | ||
| fail(e); | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
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| private void sendRequestIfNeeded(int downstreamIdx) { | ||
| int size = bucketBuilder.size(downstreamIdx); | ||
| if (size >= Constants.PAGE_SIZE || remainingUpstreams.get() <= 0) { | ||
| Downstream downstream = downstreams[downstreamIdx]; | ||
| downstream.bucketQueue.add(bucketBuilder.build(downstreamIdx)); | ||
| downstream.sendRequest(remainingUpstreams.get() <= 0); | ||
| } | ||
| } | ||
|
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| protected void onAllUpstreamsFinished() { | ||
| for (int i = 0; i < downstreams.length; i++) { | ||
| sendRequestIfNeeded(i); | ||
| } | ||
| } | ||
| protected ESLogger logger() { | ||
| return LOGGER; | ||
| } | ||
| } |
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