clintropolis commented on code in PR #18176:
URL: https://github.com/apache/druid/pull/18176#discussion_r2227056484
##########
server/src/main/java/org/apache/druid/segment/loading/SegmentLocalCacheManager.java:
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@@ -65,35 +74,35 @@ public class SegmentLocalCacheManager implements
SegmentCacheManager
private final List<StorageLocation> locations;
- // This directoryWriteRemoveLock is used when creating or removing a
directory
- private final Object directoryWriteRemoveLock = new Object();
-
/**
* A map between segment and referenceCountingLocks.
*
* These locks should be acquired whenever getting or deleting files for a
segment.
* If different threads try to get or delete files simultaneously, one of
them creates a lock first using
- * {@link #createOrGetLock}. And then, all threads compete with each other
to get the lock.
- * Finally, the lock should be released using {@link #unlock}.
+ * {@link #lock(DataSegment)}. And then, all threads compete with each other
to get the lock.
+ * Finally, the lock should be released using {@link #unlock(DataSegment,
ReferenceCountingLock)}.
*
* An example usage is:
*
- * final ReferenceCountingLock lock = createOrGetLock(segment);
+ * final SegmentCacheEntry entry = new SegmentCacheEntry(segment);
+ * final ReferenceCountingLock lock = entry.lock();
Review Comment:
oops, this is stale javadoc that reflects the state of an earlier commit,
will fix
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