zhuanshenbsj1 commented on code in PR #10002:
URL: https://github.com/apache/hudi/pull/10002#discussion_r1399249455
##########
hudi-common/src/main/java/org/apache/hudi/common/table/view/HoodieTableFileSystemView.java:
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@@ -305,8 +305,13 @@ void
removeFileGroupsInPendingClustering(Stream<Pair<HoodieFileGroupId, HoodieIn
*/
@Override
Stream<HoodieFileGroup> fetchAllStoredFileGroups(String partition) {
- final List<HoodieFileGroup> fileGroups = new
ArrayList<>(partitionToFileGroupsMap.get(partition));
- return fileGroups.stream();
+ readLock.lock();
+ try {
+ final List<HoodieFileGroup> fileGroups = new
ArrayList<>(partitionToFileGroupsMap.get(partition));
+ return fileGroups.stream();
+ } finally {
+ readLock.unlock();
+ }
Review Comment:
> Confused by all these lock changes.
To Ensure thread safety for partitionToFileGroupsMap. However, some read
locks can indeed be removed because the partitionToFileGroupsMap is
ConcurrentHashMap.
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