snuyanzin commented on code in PR #28489:
URL: https://github.com/apache/flink/pull/28489#discussion_r3443599528
##########
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/state/rocksdb/restore/RocksDBHandle.java:
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@@ -306,7 +313,13 @@ public DBOptions getDbOptions() {
@Override
public void close() throws Exception {
IOUtils.closeQuietly(defaultColumnFamilyHandle);
- IOUtils.closeQuietly(nativeMetricMonitor);
+ if (nativeMetricMonitor != null) {
+ // Monitor owns the statistics wrapper.
+ IOUtils.closeQuietly(nativeMetricMonitor);
+ } else {
Review Comment:
`closeQuietly` has it's own internal non null check
given that, can it be simplified to just
```java
IOUtils.closeQuietly(nativeMetricMonitor);
IOUtils.closeQuietly(statistics);
```
?
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