LuciferYang commented on code in PR #43502:
URL: https://github.com/apache/spark/pull/43502#discussion_r1382625914
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common/kvstore/src/main/java/org/apache/spark/util/kvstore/RocksDBIterator.java:
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@@ -272,4 +290,37 @@ 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 started = new AtomicBoolean(true);
+
+ ResourceCleaner(RocksIterator rocksIterator, RocksDB rocksDB) {
+ this.rocksIterator = rocksIterator;
+ this.rocksDB = rocksDB;
+ }
+
+ @Override
+ public void run() {
+ if (started.compareAndSet(true, false)) {
+ rocksDB.notifyIteratorClosed(rocksIterator);
+ synchronized (rocksDB.getRocksDB()) {
+ org.rocksdb.RocksDB _db = rocksDB.getRocksDB().get();
+ if (_db != null) {
+ rocksIterator.close();
+ }
+ }
+ }
+ }
+
+ void setStartedToFalse() {
+ started.set(false);
+ }
+
+ @VisibleForTesting
+ boolean getStarted() {
Review Comment:
```java
boolean isCompleted() {
return !started.get();
}
``` ?
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