cloud-fan commented on a change in pull request #27604:
URL: https://github.com/apache/spark/pull/27604#discussion_r494738627
##########
File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
##########
@@ -851,8 +852,16 @@ private[spark] class MapOutputTrackerWorker(conf:
SparkConf) extends MapOutputTr
var fetchedStatuses = mapStatuses.get(shuffleId).orNull
if (fetchedStatuses == null) {
logInfo("Doing the fetch; tracker endpoint = " + trackerEndpoint)
- val fetchedBytes =
askTracker[Array[Byte]](GetMapOutputStatuses(shuffleId))
- fetchedStatuses =
MapOutputTracker.deserializeMapStatuses(fetchedBytes, conf)
+ try {
+ val fetchedBytes =
askTracker[Array[Byte]](GetMapOutputStatuses(shuffleId))
+ fetchedStatuses =
MapOutputTracker.deserializeMapStatuses(fetchedBytes, conf)
+ } catch {
+ case e: IOException if
+
Throwables.getCausalChain(e).asScala.exists(_.isInstanceOf[BlockNotFoundException])
=>
+ mapStatuses.clear()
Review comment:
But here is the broadcast being invalid issue. I don't think it usually
happens for a lot of shuffles at the same time.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
