zuston commented on code in PR #424:
URL: https://github.com/apache/incubator-uniffle/pull/424#discussion_r1054288092
##########
server/src/main/java/org/apache/uniffle/server/storage/LocalStorageManager.java:
##########
@@ -139,33 +143,53 @@ public class LocalStorageManager extends
SingleStorageManager {
@Override
public Storage selectStorage(ShuffleDataFlushEvent event) {
- LocalStorage storage =
localStorages.get(ShuffleStorageUtils.getStorageIndex(
- localStorages.size(),
- event.getAppId(),
- event.getShuffleId(),
- event.getStartPartition()));
- if (storage.containsWriteHandler(event.getAppId(), event.getShuffleId(),
event.getStartPartition())
- && storage.isCorrupted()) {
- LOG.error("storage " + storage.getBasePath() + " is corrupted");
- }
- if (storage.isCorrupted()) {
- storage = getRepairedStorage(event.getAppId(), event.getShuffleId(),
event.getStartPartition());
+ String appId = event.getAppId();
+ int shuffleId = event.getShuffleId();
+ int partitionId = event.getStartPartition();
+
+ LocalStorage storage = partitionsOfStorage.get(UnionKey.toKey(appId,
shuffleId, partitionId));
+ if (storage != null) {
+ if (storage.isCorrupted()) {
+ if (storage.containsWriteHandler(appId, shuffleId, partitionId)) {
+ throw new RuntimeException("LocalStorage: " + storage.getBasePath()
+ " is corrupted.");
+ }
+ } else {
+ return storage;
+ }
}
- event.setUnderStorage(storage);
- return storage;
+
+ List<LocalStorage> candidates = localStorages
+ .stream()
+ .filter(x -> x.canWrite() && !x.isCorrupted())
+ .collect(Collectors.toList());
+ final LocalStorage selectedStorage = candidates.get(
+ ShuffleStorageUtils.getStorageIndex(
+ candidates.size(),
+ appId,
+ shuffleId,
+ partitionId
+ )
+ );
+ return partitionsOfStorage.compute(
+ UnionKey.toKey(appId, shuffleId, partitionId),
+ (key, localStorage) -> {
+ // If this is the first time to select storage or existing storage
is corrupted,
+ // we should refresh the cache.
+ if (localStorage == null || localStorage.isCorrupted()) {
Review Comment:
Emm... I have removed the throw exception logic, so it has kept consistent
with the original logic.
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