gaborgsomogyi commented on a change in pull request #19096: [SPARK-21869][SS] A
cached Kafka producer should not be closed if any task is using it - adds inuse
tracking.
URL: https://github.com/apache/spark/pull/19096#discussion_r266435819
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/CachedKafkaProducer.scala
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@@ -18,103 +18,180 @@
package org.apache.spark.sql.kafka010
import java.{util => ju}
-import java.util.concurrent.{ConcurrentMap, ExecutionException, TimeUnit}
+import java.util.concurrent.{ConcurrentLinkedQueue, ConcurrentMap,
ExecutionException, TimeUnit}
+import java.util.concurrent.atomic.AtomicInteger
+
+import scala.collection.JavaConverters._
+import scala.util.control.NonFatal
import com.google.common.cache._
import com.google.common.util.concurrent.{ExecutionError,
UncheckedExecutionException}
import org.apache.kafka.clients.producer.KafkaProducer
-import scala.collection.JavaConverters._
-import scala.util.control.NonFatal
import org.apache.spark.SparkEnv
import org.apache.spark.internal.Logging
-private[kafka010] object CachedKafkaProducer extends Logging {
+private[kafka010] case class CachedKafkaProducer(
+ private val id: String = ju.UUID.randomUUID().toString,
Review comment:
I see, it makes sense on the other hand it can be useful when all the places
printed out where something happens with the consumer.
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