LuciferYang commented on code in PR #37420:
URL: https://github.com/apache/spark/pull/37420#discussion_r938449470
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common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java:
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@@ -457,18 +457,19 @@ static ConcurrentMap<AppExecId, ExecutorShuffleInfo>
reloadRegisteredExecutors(D
throws IOException {
ConcurrentMap<AppExecId, ExecutorShuffleInfo> registeredExecutors =
Maps.newConcurrentMap();
if (db != null) {
- DBIterator itr = db.iterator();
Review Comment:
The methods `reloadActiveAppAttemptsPathInfo` and
`reloadFinalizedAppAttemptsShuffleMergeInfo` should be Spark 3.4 only. Please
let me know if this PR needs to be backport to other branch
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