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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2021/10/20 03:51:45 UTC
[GitHub] [flink] JingsongLi commented on a change in pull request #17520: [FLINK-24565][avro] Port avro file format factory to BulkReaderFormatFactory
JingsongLi commented on a change in pull request #17520:
URL: https://github.com/apache/flink/pull/17520#discussion_r732391776
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
Review comment:
protected
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
+
+ abstract A getReusedAvroObject();
Review comment:
protected
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
+
+ abstract A getReusedAvroObject();
+
+ private class AvroReader implements BulkFormat.Reader<T> {
+
+ private final DataFileReader<A> reader;
+ private final A reuse;
+
+ private final long end;
+ private final BlockingQueue<Boolean> blockingQueue;
Review comment:
Use flink-connectors-files `Pool` instead? The record can be reused avro record.
##########
File path: flink-formats/flink-avro/pom.xml
##########
@@ -47,13 +47,11 @@ under the License.
<!-- Table ecosystem -->
- <!-- Projects depending on this project won't depend on flink-table-*. -->
<dependency>
<groupId>org.apache.flink</groupId>
- <artifactId>flink-table-common</artifactId>
+ <artifactId>flink-table-runtime_${scala.binary.version}</artifactId>
Review comment:
Avro could be scala free.
Can we move `FileSystemConnectorOptions` to common?
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
+
+ abstract A getReusedAvroObject();
Review comment:
createAvroRecord?
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AvroFileFormatFactory.java
##########
@@ -90,6 +186,94 @@ public String factoryIdentifier() {
return options;
}
+ private static class AvroGenericRecordBulkFormat
+ extends AbstractAvroBulkFormat<GenericRecord, RowData, FileSourceSplit> {
+
+ private static final long serialVersionUID = 1L;
+
+ private final RowType physicalRowType;
+ private final TypeInformation<RowData> typeInfo;
+
+ private final String[] physicalFieldNames;
+ private final DataType[] physicalFieldTypes;
+ private final int[] selectFieldIndices;
+ private final List<String> partitionKeys;
+ private final String defaultPartitionValue;
+
+ private final int[] nonPartitionProjectIndexInProducedRecord;
+ private final int[] nonPartitionProjectIndexInAvroRecord;
+
+ private transient AvroToRowDataConverters.AvroToRowDataConverter converter;
+ private transient GenericRecord reusedAvroRecord;
+ private transient GenericRowData reusedRowData;
+
+ public AvroGenericRecordBulkFormat(
+ DynamicTableSource.Context context,
+ RowType physicalRowType,
+ String[] physicalFieldNames,
+ DataType[] physicalFieldTypes,
Review comment:
Obtain `physicalFieldTypes` from `physicalRowType`?
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
+
+ abstract A getReusedAvroObject();
+
+ private class AvroReader implements BulkFormat.Reader<T> {
+
+ private final DataFileReader<A> reader;
+ private final A reuse;
+
+ private final long end;
+ private final BlockingQueue<Boolean> blockingQueue;
+
+ private long currentBlockStart;
+ private long currentRecordsToSkip;
+
+ private AvroReader(Path path, long offset, long end, long blockStart, long recordsToSkip)
+ throws IOException {
+ this.reader = createReaderFromPath(path);
+ this.reuse = getReusedAvroObject();
+ if (blockStart >= 0) {
+ reader.seek(blockStart);
+ } else {
+ reader.sync(offset);
+ }
+ for (int i = 0; i < recordsToSkip; i++) {
+ reader.next(reuse);
+ }
+
+ this.end = end;
+ this.blockingQueue = new LinkedBlockingQueue<>(1);
+
+ this.currentBlockStart = reader.previousSync();
+ this.currentRecordsToSkip = recordsToSkip;
+ }
+
+ private DataFileReader<A> createReaderFromPath(Path path) throws IOException {
+ FileSystem fileSystem = path.getFileSystem();
+ DatumReader<A> datumReader = new GenericDatumReader<>();
+ SeekableInput in =
+ new FSDataInputStreamWrapper(
+ fileSystem.open(path), fileSystem.getFileStatus(path).getLen());
+ return (DataFileReader<A>) DataFileReader.openReader(in, datumReader);
+ }
+
+ @Nullable
+ @Override
+ public RecordIterator<T> readBatch() throws IOException {
+ if (reachEnd()) {
Review comment:
Pool.pollEntry first.
I don't know there is thread safety bug in Avro `reachEnd`.
##########
File path: flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AbstractAvroBulkFormat.java
##########
@@ -0,0 +1,190 @@
+/*
+ * 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.flink.formats.avro;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.connector.file.src.FileSourceSplit;
+import org.apache.flink.connector.file.src.reader.BulkFormat;
+import org.apache.flink.connector.file.src.util.CheckpointedPosition;
+import org.apache.flink.connector.file.src.util.IteratorResultIterator;
+import org.apache.flink.core.fs.FileSystem;
+import org.apache.flink.core.fs.Path;
+import org.apache.flink.formats.avro.utils.FSDataInputStreamWrapper;
+
+import org.apache.avro.file.DataFileReader;
+import org.apache.avro.file.SeekableInput;
+import org.apache.avro.generic.GenericDatumReader;
+import org.apache.avro.io.DatumReader;
+
+import javax.annotation.Nullable;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+/** Provides a {@link BulkFormat} for Avro records. */
+public abstract class AbstractAvroBulkFormat<A, T, SplitT extends FileSourceSplit>
+ implements BulkFormat<T, SplitT> {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public AvroReader createReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public AvroReader restoreReader(Configuration config, SplitT split) throws IOException {
+ open(split);
+ return createReader(split);
+ }
+
+ @Override
+ public boolean isSplittable() {
+ return true;
+ }
+
+ private AvroReader createReader(SplitT split) throws IOException {
+ long end = split.offset() + split.length();
+ if (split.getReaderPosition().isPresent()) {
+ CheckpointedPosition position = split.getReaderPosition().get();
+ return new AvroReader(
+ split.path(),
+ split.offset(),
+ end,
+ position.getOffset(),
+ position.getRecordsAfterOffset());
+ } else {
+ return new AvroReader(split.path(), split.offset(), end, -1, 0);
+ }
+ }
+
+ protected void open(SplitT split) {}
+
+ abstract T convert(A record);
+
+ abstract A getReusedAvroObject();
+
+ private class AvroReader implements BulkFormat.Reader<T> {
+
+ private final DataFileReader<A> reader;
+ private final A reuse;
+
+ private final long end;
+ private final BlockingQueue<Boolean> blockingQueue;
+
+ private long currentBlockStart;
+ private long currentRecordsToSkip;
+
+ private AvroReader(Path path, long offset, long end, long blockStart, long recordsToSkip)
+ throws IOException {
+ this.reader = createReaderFromPath(path);
+ this.reuse = getReusedAvroObject();
+ if (blockStart >= 0) {
+ reader.seek(blockStart);
+ } else {
+ reader.sync(offset);
+ }
+ for (int i = 0; i < recordsToSkip; i++) {
+ reader.next(reuse);
+ }
+
+ this.end = end;
+ this.blockingQueue = new LinkedBlockingQueue<>(1);
+
+ this.currentBlockStart = reader.previousSync();
+ this.currentRecordsToSkip = recordsToSkip;
+ }
+
+ private DataFileReader<A> createReaderFromPath(Path path) throws IOException {
+ FileSystem fileSystem = path.getFileSystem();
+ DatumReader<A> datumReader = new GenericDatumReader<>();
+ SeekableInput in =
+ new FSDataInputStreamWrapper(
+ fileSystem.open(path), fileSystem.getFileStatus(path).getLen());
+ return (DataFileReader<A>) DataFileReader.openReader(in, datumReader);
+ }
+
+ @Nullable
+ @Override
+ public RecordIterator<T> readBatch() throws IOException {
+ if (reachEnd()) {
+ return null;
+ }
+
+ try {
+ blockingQueue.put(true);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(
Review comment:
For `InterruptedException`.
If you catch it, you shoud `Thread.currentThread().interrupt();`
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