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Posted to commits@hudi.apache.org by wa...@apache.org on 2022/03/16 06:08:07 UTC
[hudi] branch master updated: [HUDI-3607] Support backend switch in HoodieFlinkStreamer (#5032)
This is an automated email from the ASF dual-hosted git repository.
wangxianghu pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hudi.git
The following commit(s) were added to refs/heads/master by this push:
new 91849c3 [HUDI-3607] Support backend switch in HoodieFlinkStreamer (#5032)
91849c3 is described below
commit 91849c3d666a363c535610bc24be54c5d9aaa913
Author: that's cool <10...@qq.com>
AuthorDate: Wed Mar 16 14:07:31 2022 +0800
[HUDI-3607] Support backend switch in HoodieFlinkStreamer (#5032)
* [HUDI-3607] Support backend switch in HoodieFlinkStreamer
* [HUDI-3607] Support backend switch in HoodieFlinkStreamer
1. checkstyle fix
* [HUDI-3607] Support backend switch in HoodieFlinkStreamer
1. change the msg
---
hudi-flink/pom.xml | 6 ++++
.../apache/hudi/streamer/FlinkStreamerConfig.java | 7 ++++
.../apache/hudi/streamer/HoodieFlinkStreamer.java | 4 +--
.../hudi/util/FlinkStateBackendConverter.java | 41 ++++++++++++++++++++++
4 files changed, 56 insertions(+), 2 deletions(-)
diff --git a/hudi-flink/pom.xml b/hudi-flink/pom.xml
index 27a4a0b..7338b23 100644
--- a/hudi-flink/pom.xml
+++ b/hudi-flink/pom.xml
@@ -174,6 +174,12 @@
<version>${flink.version}</version>
<scope>provided</scope>
</dependency>
+ <dependency>
+ <groupId>org.apache.flink</groupId>
+ <artifactId>flink-statebackend-rocksdb_${scala.binary.version}</artifactId>
+ <version>${flink.version}</version>
+ <scope>provided</scope>
+ </dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
diff --git a/hudi-flink/src/main/java/org/apache/hudi/streamer/FlinkStreamerConfig.java b/hudi-flink/src/main/java/org/apache/hudi/streamer/FlinkStreamerConfig.java
index 1d7111f..c5d7303 100644
--- a/hudi-flink/src/main/java/org/apache/hudi/streamer/FlinkStreamerConfig.java
+++ b/hudi-flink/src/main/java/org/apache/hudi/streamer/FlinkStreamerConfig.java
@@ -18,6 +18,8 @@
package org.apache.hudi.streamer;
+import org.apache.flink.runtime.state.StateBackend;
+import org.apache.flink.runtime.state.hashmap.HashMapStateBackend;
import org.apache.hudi.client.utils.OperationConverter;
import org.apache.hudi.common.model.OverwriteWithLatestAvroPayload;
import org.apache.hudi.common.model.WriteOperationType;
@@ -25,6 +27,7 @@ import org.apache.hudi.common.util.StringUtils;
import org.apache.hudi.configuration.FlinkOptions;
import org.apache.hudi.hive.SlashEncodedDayPartitionValueExtractor;
import org.apache.hudi.keygen.constant.KeyGeneratorType;
+import org.apache.hudi.util.FlinkStateBackendConverter;
import org.apache.hudi.util.StreamerUtil;
import com.beust.jcommander.Parameter;
@@ -53,6 +56,10 @@ public class FlinkStreamerConfig extends Configuration {
@Parameter(names = {"--flink-checkpoint-path"}, description = "Flink checkpoint path.")
public String flinkCheckPointPath;
+ @Parameter(names = {"--flink-state-backend-type"}, description = "Flink state backend type, support only hashmap and rocksdb by now,"
+ + " default hashmap.", converter = FlinkStateBackendConverter.class)
+ public StateBackend stateBackend = new HashMapStateBackend();
+
@Parameter(names = {"--instant-retry-times"}, description = "Times to retry when latest instant has not completed.")
public String instantRetryTimes = "10";
diff --git a/hudi-flink/src/main/java/org/apache/hudi/streamer/HoodieFlinkStreamer.java b/hudi-flink/src/main/java/org/apache/hudi/streamer/HoodieFlinkStreamer.java
index 851931f..192de91 100644
--- a/hudi-flink/src/main/java/org/apache/hudi/streamer/HoodieFlinkStreamer.java
+++ b/hudi-flink/src/main/java/org/apache/hudi/streamer/HoodieFlinkStreamer.java
@@ -32,7 +32,6 @@ import com.beust.jcommander.JCommander;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.formats.common.TimestampFormat;
import org.apache.flink.formats.json.JsonRowDataDeserializationSchema;
-import org.apache.flink.runtime.state.filesystem.FsStateBackend;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;
@@ -61,8 +60,9 @@ public class HoodieFlinkStreamer {
// There can only be one checkpoint at one time.
env.getCheckpointConfig().setMaxConcurrentCheckpoints(1);
+ env.setStateBackend(cfg.stateBackend);
if (cfg.flinkCheckPointPath != null) {
- env.setStateBackend(new FsStateBackend(cfg.flinkCheckPointPath));
+ env.getCheckpointConfig().setCheckpointStorage(cfg.flinkCheckPointPath);
}
TypedProperties kafkaProps = DFSPropertiesConfiguration.getGlobalProps();
diff --git a/hudi-flink/src/main/java/org/apache/hudi/util/FlinkStateBackendConverter.java b/hudi-flink/src/main/java/org/apache/hudi/util/FlinkStateBackendConverter.java
new file mode 100644
index 0000000..b46ab14
--- /dev/null
+++ b/hudi-flink/src/main/java/org/apache/hudi/util/FlinkStateBackendConverter.java
@@ -0,0 +1,41 @@
+/*
+ * 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.hudi.util;
+
+import com.beust.jcommander.IStringConverter;
+import com.beust.jcommander.ParameterException;
+import org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend;
+import org.apache.flink.runtime.state.StateBackend;
+import org.apache.flink.runtime.state.hashmap.HashMapStateBackend;
+import org.apache.hudi.exception.HoodieException;
+
+/**
+ * Converter that converts a string into Flink StateBackend.
+ */
+public class FlinkStateBackendConverter implements IStringConverter<StateBackend> {
+ @Override
+ public StateBackend convert(String value) throws ParameterException {
+ switch (value) {
+ case "hashmap" : return new HashMapStateBackend();
+ case "rocksdb" : return new EmbeddedRocksDBStateBackend();
+ default:
+ throw new HoodieException(String.format("Unknown flink state backend %s.", value));
+ }
+ }
+}