diff options
Diffstat (limited to 'external')
| -rw-r--r-- | external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala index be734b8027..c4a44c1822 100644 --- a/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala +++ b/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala @@ -201,12 +201,31 @@ class ReliableKafkaReceiver[ topicPartitionOffsetMap.clear() } - /** Store the ready-to-be-stored block and commit the related offsets to zookeeper. */ + /** + * Store the ready-to-be-stored block and commit the related offsets to zookeeper. This method + * will try a fixed number of times to push the block. If the push fails, the receiver is stopped. + */ private def storeBlockAndCommitOffset( blockId: StreamBlockId, arrayBuffer: mutable.ArrayBuffer[_]): Unit = { - store(arrayBuffer.asInstanceOf[mutable.ArrayBuffer[(K, V)]]) - Option(blockOffsetMap.get(blockId)).foreach(commitOffset) - blockOffsetMap.remove(blockId) + var count = 0 + var pushed = false + var exception: Exception = null + while (!pushed && count <= 3) { + try { + store(arrayBuffer.asInstanceOf[mutable.ArrayBuffer[(K, V)]]) + pushed = true + } catch { + case ex: Exception => + count += 1 + exception = ex + } + } + if (pushed) { + Option(blockOffsetMap.get(blockId)).foreach(commitOffset) + blockOffsetMap.remove(blockId) + } else { + stop("Error while storing block into Spark", exception) + } } /** |