LuciferYang commented on code in PR #43502:
URL: https://github.com/apache/spark/pull/43502#discussion_r1379542967


##########
common/kvstore/src/main/java/org/apache/spark/util/kvstore/RocksDBIterator.java:
##########
@@ -272,4 +287,32 @@ static int compare(byte[] a, byte[] b) {
     return a.length - b.length;
   }
 
+  static class ResourceCleaner implements Runnable {
+
+    private final RocksIterator rocksIterator;
+    private final RocksDB rocksDB;
+    private final AtomicBoolean status = new AtomicBoolean(true);
+
+    public ResourceCleaner(RocksIterator rocksIterator, RocksDB rocksDB) {
+      this.rocksIterator = rocksIterator;
+      this.rocksDB = rocksDB;
+    }
+
+    @Override
+    public void run() {
+      if (status.compareAndSet(true, false)) {
+        rocksDB.notifyIteratorClosed(rocksIterator);
+        rocksIterator.close();

Review Comment:
   I think this close still needs synchronized db...
   
   



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to