mridulm commented on code in PR #37922:
URL: https://github.com/apache/spark/pull/37922#discussion_r1053970574
##########
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/RemoteBlockPushResolver.java:
##########
@@ -396,6 +403,56 @@ public void applicationRemoved(String appId, boolean
cleanupLocalDirs) {
}
}
+ @Override
+ public void removeShuffleMerge(RemoveShuffleMerge msg) {
+ AppShuffleInfo appShuffleInfo = validateAndGetAppShuffleInfo(msg.appId);
+ if (appShuffleInfo.attemptId != msg.appAttemptId) {
+ throw new IllegalArgumentException(
+ String.format("The attempt id %s in this RemoveShuffleMerge message
does not match "
+ + "with the current attempt id %s stored in shuffle service
for application %s",
+ msg.appAttemptId, appShuffleInfo.attemptId, msg.appId));
+ }
+ appShuffleInfo.shuffles.computeIfPresent(msg.shuffleId, (shuffleId,
mergePartitionsInfo) -> {
Review Comment:
We have to keep track of it even if it is absent - so that a late push does
not end up creating/updating it.
[This
comment](https://github.com/apache/spark/pull/37922#discussion_r990753031)
sketches the details (note, pls dont use it as is - there is a minor bug when
writing to db when msg is for -1, since that was not considered in that snippet
:) )
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