cxzl25 commented on code in PR #4733:
URL: https://github.com/apache/kyuubi/pull/4733#discussion_r1184893395
##########
kyuubi-events/src/main/scala/org/apache/kyuubi/events/EventLoggerType.scala:
##########
@@ -22,5 +22,5 @@ object EventLoggerType extends Enumeration {
type EventLoggerType = Value
// TODO: Only SPARK is done now
- val SPARK, JSON, JDBC, CUSTOM = Value
+ val SPARK, JSON, JDBC, KAFKA, CUSTOM = Value
Review Comment:
Should we add enumeration values instead of modifying the order?
##########
kyuubi-events/src/main/scala/org/apache/kyuubi/events/handler/KafkaLoggingEventHandler.scala:
##########
@@ -0,0 +1,69 @@
+/*
+ * 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.kyuubi.events.handler
+
+import java.util.Properties
+
+import org.apache.kafka.clients.producer.{KafkaProducer, ProducerRecord}
+
+import org.apache.kyuubi.Logging
+import org.apache.kyuubi.config.KyuubiConf
+import org.apache.kyuubi.events.KyuubiEvent
+import org.apache.kyuubi.events.handler.KafkaLoggingEventHandler._
+
+/**
+ * This event logger logs events to Kafka.
+ */
+class KafkaLoggingEventHandler(
+ topic: String,
+ producerConf: Map[String, String],
+ kyuubiConf: KyuubiConf) extends EventHandler[KyuubiEvent] with Logging {
+ private def defaultProducerConf: Properties = {
+ val conf = new Properties()
+ conf.setProperty("key.serializer", DEFAULT_SERIALIZER_CLASS)
+ conf.setProperty("value.serializer", DEFAULT_SERIALIZER_CLASS)
+ conf
+ }
+
+ private val normalizedProducerConf: Properties = {
+ val conf = defaultProducerConf
+ producerConf.foreach(p => conf.setProperty(p._1, p._2))
+ conf
+ }
+
+ private val kafkaProducer = new KafkaProducer[String,
String](normalizedProducerConf)
+
+ override def apply(event: KyuubiEvent): Unit = {
+ try {
+ val record = new ProducerRecord[String, String](topic, event.eventType,
event.toJson)
+ kafkaProducer.send(record)
+ } catch {
+ case e: Exception =>
+ error("Failed to send event in KafkaEventHandler", e)
+ }
+ }
+
+ override def close(): Unit = {
+ kafkaProducer.flush()
+ kafkaProducer.close()
Review Comment:
I suggest to use close method with timeout.
```
org.apache.kafka.clients.producer.Producer#close(long,
java.util.concurrent.TimeUnit)
```
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