cloud-fan commented on a change in pull request #24892: [SPARK-25341][Core]
Support rolling back a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/24892#discussion_r295102908
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File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java
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@@ -174,13 +186,15 @@ public ManagedBuffer getBlockData(
String execId,
int shuffleId,
int mapId,
- int reduceId) {
+ int reduceId,
+ int stageAttemptId) {
Review comment:
shall we call it `shuffleGenerationId` which is the name we use in the
[caller
side](https://github.com/apache/spark/pull/24892/files#diff-069b5ce9dd07165f0c185249cf4a04cbR314)?
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