coderzc commented on code in PR #17164:
URL: https://github.com/apache/pulsar/pull/17164#discussion_r968068015
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managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedCursorImpl.java:
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@@ -365,6 +367,48 @@ public void operationFailed(MetaStoreException e) {
return updateCursorPropertiesResult;
}
+ @Override
+ public CompletableFuture<Void> setCursorProperties(Map<String, String>
cursorProperties) {
+ Map<String, String> newProperties =
+ cursorProperties == null ? new HashMap<>() : new
HashMap<>(cursorProperties);
+ long stamp = cursorPropertiesUpdateLock.writeLock();
Review Comment:
> This lock will block admin handler thread, and the unlock depends on
metadata callback thread, it has potential deadlock risk (which depends on if
setCursorProperties is called on metadata callback thread).
I think can add a timeout handle to avoid deadlock.
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