Ngone51 commented on a change in pull request #32007:
URL: https://github.com/apache/spark/pull/32007#discussion_r638034589
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/RemoteBlockPushResolver.java
##########
@@ -415,24 +429,65 @@ public MergeStatuses
finalizeShuffleMerge(FinalizeShuffleMerge msg) throws IOExc
bitmaps.toArray(new RoaringBitmap[bitmaps.size()]),
Ints.toArray(reduceIds),
Longs.toArray(sizes));
}
- partitions.remove(appShuffleId);
- logger.info("Finalized shuffle {} from Application {}.", msg.shuffleId,
msg.appId);
+ partitions.remove(appAttemptShuffleId);
+ logger.info("Finalized shuffle {} from Application {}_{}.", msg.shuffleId,
msg.appId, msg.attemptId);
return mergeStatuses;
}
@Override
public void registerExecutor(String appId, ExecutorShuffleInfo executorInfo)
{
if (logger.isDebugEnabled()) {
logger.debug("register executor with RemoteBlockPushResolver {}
local-dirs {} "
- + "num sub-dirs {}", appId, Arrays.toString(executorInfo.localDirs),
- executorInfo.subDirsPerLocalDir);
+ + "num sub-dirs {} shuffleManager {}", appId,
Arrays.toString(executorInfo.localDirs),
+ executorInfo.subDirsPerLocalDir, executorInfo.shuffleManager);
+ }
+ String shuffleManagerMeta = executorInfo.shuffleManager;
+ if (shuffleManagerMeta.contains(":")) {
+ String mergeDirInfo =
shuffleManagerMeta.substring(shuffleManagerMeta.indexOf(":") + 1);
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ MergeDirectoryMeta mergeDirectoryMeta = mapper.readValue(mergeDirInfo,
MergeDirectoryMeta.class);
+ if (mergeDirectoryMeta.attemptId == -1) {
+ // When attemptId is 0, there is no attemptId stored in the
ExecutorShuffleInfo.
+ // Only the first ExecutorRegister message can register the merge
dirs
+ appsPathsInfo.computeIfAbsent(appId, id ->
+ new AppAttemptPathsInfo(appId, mergeDirectoryMeta.attemptId,
executorInfo.localDirs,
+ mergeDirectoryMeta.mergeDir, executorInfo.subDirsPerLocalDir));
+ } else {
+ // If attemptId is not -1, there is attemptId stored in the
ExecutorShuffleInfo.
+ // The first ExecutorRegister message from the same application
attempt will
+ // register the merge dirs in Shuffle Service. Any later
ExecutorRegister message
+ // from the same application attempt will not override the merge
dirs. But it can
+ // be overridden by ExecutorRegister message from newer application
attempt.
+ // Former attempt's shuffle partitions information will also be
cleaned up.
Review comment:
nit: "...attempt, and former..."
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