advancedxy commented on code in PR #424:
URL: https://github.com/apache/incubator-uniffle/pull/424#discussion_r1050492915
##########
server/src/main/java/org/apache/uniffle/server/storage/LocalStorageManager.java:
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@@ -139,32 +140,55 @@ 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();
+
+ try {
+ LocalStorage storage =
partitionsOfStorage.get(appId).get(shuffleId).get(partitionId);
+ if (storage.isCorrupted()) {
+ throw new RuntimeException("LocalStorage: " + storage.getBasePath() +
" is corrupted.");
Review Comment:
For this case:
In fact, I'm prefer to keep the old logic in this pr.
If we want to optimize with dynamic switching. we can introduce this change
in that pr.
However, I think we should reconsider the corrupted cases. Once one replica
of local storage is corrupted. The
whole partition could not be trusted. ShuffleReadClient should switch to
another replica as soon as possible.
Maybe there's some logic I didn't follow?
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