the-other-tim-brown commented on code in PR #12982:
URL: https://github.com/apache/hudi/pull/12982#discussion_r2030205227
##########
hudi-common/src/main/java/org/apache/hudi/common/table/view/AbstractTableFileSystemView.java:
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@@ -177,31 +178,39 @@ public List<HoodieFileGroup>
addFilesToView(List<StoragePathInfo> statuses) {
* Adds the provided statuses into the file system view for a single
partition, and also caches it inside this object.
*/
public List<HoodieFileGroup> addFilesToView(String partitionPath,
List<StoragePathInfo> statuses) {
- HoodieTimer timer = HoodieTimer.start();
- List<HoodieFileGroup> fileGroups = buildFileGroups(partitionPath,
statuses, visibleCommitsAndCompactionTimeline, true);
- long fgBuildTimeTakenMs = timer.endTimer();
- timer.startTimer();
- // Group by partition for efficient updates for both InMemory and
DiskBased structures.
-
fileGroups.stream().collect(Collectors.groupingBy(HoodieFileGroup::getPartitionPath))
- .forEach((partition, value) -> {
- if (!isPartitionAvailableInStore(partition)) {
- if (bootstrapIndex.useIndex()) {
- try (BootstrapIndex.IndexReader reader =
bootstrapIndex.createReader()) {
- LOG.info("Bootstrap Index available for partition {}",
partition);
- List<BootstrapFileMapping> sourceFileMappings =
- reader.getSourceFileMappingForPartition(partition);
- addBootstrapBaseFileMapping(sourceFileMappings.stream()
- .map(s -> new BootstrapBaseFileMapping(new
HoodieFileGroupId(s.getPartitionPath(),
- s.getFileId()), s.getBootstrapFileStatus())));
+ try {
+ writeLock.lock();
Review Comment:
You are correct that this can happen but it can also happen currently.
Read-lock is not exclusive. Many threads can access the read-lock concurrently
which is why the concurrency issues arise in the first place.
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