xianjingfeng commented on code in PR #424:
URL: https://github.com/apache/incubator-uniffle/pull/424#discussion_r1049340143
##########
server/src/main/java/org/apache/uniffle/server/storage/LocalStorageManager.java:
##########
@@ -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:
In currnet codebase. if one storage is corrupted, data will be written to
another storage. In this case, we will lost some data of this replica, but
client can still read some data. But if exception thrown here, all data will be
drop. If we use multi replicas, it will be useful.
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