mridulm commented on code in PR #2064:
URL:
https://github.com/apache/incubator-celeborn/pull/2064#discussion_r1389339539
##########
worker/src/main/scala/org/apache/celeborn/service/deploy/worker/PushDataHandler.scala:
##########
@@ -1246,6 +1199,51 @@ class PushDataHandler(val workerSource: WorkerSource)
extends BaseMessageHandler
}
}
+ private def writeLocalData(
+ fileWriters: Seq[FileWriter],
+ body: ByteBuf,
+ shuffleKey: String,
+ batchOffsets: Option[Array[Int]],
+ writePromise: Option[Promise[Unit]]): Unit = {
+ def writeData(fileWriter: FileWriter, body: ByteBuf, shuffleKey: String):
Unit = {
+ try {
+ fileWriter.write(body)
+ } catch {
+ case e: AlreadyClosedException =>
+ fileWriter.decrementPendingWrites()
+ val (mapId, attemptId) = getMapAttempt(body)
+ val endedAttempt =
+ if (shuffleMapperAttempts.containsKey(shuffleKey)) {
+ shuffleMapperAttempts.get(shuffleKey).get(mapId)
+ } else -1
+ // TODO just info log for ended attempt
+ logWarning(s"Append data failed for task(shuffle $shuffleKey, map
$mapId, attempt" +
+ s" $attemptId), caused by AlreadyClosedException, endedAttempt
$endedAttempt, error message: ${e.getMessage}")
+ writePromise.map(_.failure(e)).orElse(throw e)
+ case e: Exception =>
+ logError("Exception encountered when write.", e)
+ writePromise.map(_.failure(e)).orElse(throw e)
+ }
+ }
+ batchOffsets match {
+ case Some(batchOffsets) =>
+ batchOffsets.zip(fileWriters).foreach { case (offset, writer) =>
+ val length =
+ if (offset == batchOffsets.last) {
+ body.readableBytes() - offset
+ } else {
+ batchOffsets(batchOffsets.indexOf(offset) + 1) - offset
+ }
+ val batchBody = body.slice(body.readerIndex() + offset, length)
+ writeData(writer, batchBody, shuffleKey)
+ }
+ writePromise.foreach(_.success())
Review Comment:
It would be better to model it as `CompletableFuture` instead - it is more
closer to what we need here.
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