LuciferYang commented on code in PR #43502:
URL: https://github.com/apache/spark/pull/43502#discussion_r1378065031
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common/kvstore/src/main/java/org/apache/spark/util/kvstore/RocksDBIterator.java:
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@@ -270,20 +280,30 @@ static int compare(byte[] a, byte[] b) {
return a.length - b.length;
}
- private record ResourceCleaner(RocksIterator rocksIterator, RocksDB rocksDB)
implements Runnable {
+ private 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() {
- rocksDB.getIteratorTracker().removeIf(ref -> {
- RocksDBIterator<?> rocksDBIterator = ref.get();
- return rocksDBIterator != null &&
rocksIterator.equals(rocksDBIterator.it);
- });
- synchronized (rocksDB.getRocksDB()) {
- org.rocksdb.RocksDB _db = rocksDB.getRocksDB().get();
- if (_db != null) {
- rocksIterator.close();
- }
+ if (status.compareAndSet(true, false)) {
+ rocksDB.getIteratorTracker().removeIf(ref -> {
Review Comment:
Is it possible to reuse the `db.notifyIteratorClosed`?
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