vanzin commented on a change in pull request #25299: [SPARK-27651][Core] Avoid
the network when shuffle blocks are fetched from the same host
URL: https://github.com/apache/spark/pull/25299#discussion_r308934058
##########
File path:
core/src/main/scala/org/apache/spark/shuffle/IndexShuffleBlockResolver.scala
##########
@@ -51,12 +52,43 @@ private[spark] class IndexShuffleBlockResolver(
private val transportConf = SparkTransportConf.fromSparkConf(conf, "shuffle")
- def getDataFile(shuffleId: Int, mapId: Int): File = {
- blockManager.diskBlockManager.getFile(ShuffleDataBlockId(shuffleId, mapId,
NOOP_REDUCE_ID))
+
+ def getDataFile(shuffleId: Int, mapId: Int): File = getDataFile(shuffleId,
mapId, None)
+
+ /**
+ * Get the shuffle data file.
+ *
+ * When the dirs param is None then the disk manager's local directories are
used and this way
Review comment:
This paragraph is really hard to follow. It's also unclear what creating
directories has to do with this API.
----------------------------------------------------------------
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]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
