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[flink][cdc] Add operator and transformation name for cdc pipeline #2135

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merged 2 commits into from
Oct 17, 2023
Merged

[flink][cdc] Add operator and transformation name for cdc pipeline #2135

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35276d1
[flink][cdc] Add operator and transformation name for cdc pipeline
Oct 16, 2023
6a960de
improve
Oct 17, 2023
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3 changes: 2 additions & 1 deletion ...k-cdc/src/main/java/org/apache/paimon/flink/action/cdc/kafka/KafkaSyncDatabaseAction.java
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Expand Up @@ -173,7 +173,8 @@ public void build(StreamExecutionEnvironment env) throws Exception {
new FlinkCdcSyncDatabaseSinkBuilder<RichCdcMultiplexRecord>()
.withInput(
env.fromSource(source, WatermarkStrategy.noWatermarks(), "Kafka Source")
.flatMap(recordParser))
.flatMap(recordParser)
.name("Parse"))
.withParserFactory(parserFactory)
.withCatalogLoader(catalogLoader())
.withDatabase(database)
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5 changes: 4 additions & 1 deletion ...src/main/java/org/apache/paimon/flink/sink/cdc/CdcDynamicTableParsingProcessFunction.java
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Expand Up @@ -100,7 +100,10 @@ public void processElement(T raw, Context context, Collector<Void> collector) th
try {
catalog.createTable(identifier, schema, true);
} catch (Exception e) {
LOG.error("create newly added paimon table error.", e);
LOG.error(
"Cannot create newly added Paimon table {}",
identifier.getFullName(),
e);
}
});

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24 changes: 9 additions & 15 deletions ...k-cdc/src/main/java/org/apache/paimon/flink/sink/cdc/FlinkCdcSyncDatabaseSinkBuilder.java
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Expand Up @@ -22,7 +22,6 @@
import org.apache.paimon.catalog.Identifier;
import org.apache.paimon.flink.FlinkConnectorOptions;
import org.apache.paimon.flink.action.MultiTablesSinkMode;
import org.apache.paimon.flink.sink.FlinkStreamPartitioner;
import org.apache.paimon.flink.utils.SingleOutputStreamOperatorUtils;
import org.apache.paimon.options.MemorySize;
import org.apache.paimon.options.Options;
Expand All @@ -33,7 +32,6 @@

import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator;
import org.apache.flink.streaming.api.transformations.PartitionTransformation;

import javax.annotation.Nullable;

Expand Down Expand Up @@ -140,6 +138,7 @@ private void buildCombinedCdcSink() {
.process(
new CdcDynamicTableParsingProcessFunction<>(
database, catalogLoader, parserFactory))
.name("Side Output")
.setParallelism(input.getParallelism());

// for newly-added tables, create a multiplexing operator that handles all their records
Expand All @@ -151,23 +150,18 @@ private void buildCombinedCdcSink() {
SingleOutputStreamOperatorUtils.getSideOutput(
parsed,
CdcDynamicTableParsingProcessFunction.DYNAMIC_SCHEMA_CHANGE_OUTPUT_TAG)
.process(new MultiTableUpdatedDataFieldsProcessFunction(catalogLoader));
.process(new MultiTableUpdatedDataFieldsProcessFunction(catalogLoader))
.name("Schema Evolution");

FlinkStreamPartitioner<CdcMultiplexRecord> partitioner =
new FlinkStreamPartitioner<>(
new CdcMultiplexRecordChannelComputer(catalogLoader, dynamicOptions));
PartitionTransformation<CdcMultiplexRecord> partitioned =
new PartitionTransformation<>(
newlyAddedTableStream.getTransformation(), partitioner);

if (parallelism != null) {
partitioned.setParallelism(parallelism);
}
DataStream<CdcMultiplexRecord> partitioned =
partition(
newlyAddedTableStream,
new CdcMultiplexRecordChannelComputer(catalogLoader, dynamicOptions),
parallelism);

FlinkCdcMultiTableSink sink =
new FlinkCdcMultiTableSink(catalogLoader, committerCpu, committerMemory);
sink.sinkFrom(
new DataStream<>(input.getExecutionEnvironment(), partitioned), dynamicOptions);
sink.sinkFrom(partitioned, dynamicOptions);
}

private void buildForFixedBucket(FileStoreTable table, DataStream<CdcRecord> parsed) {
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