szetszwo commented on code in PR #5853:
URL: https://github.com/apache/ozone/pull/5853#discussion_r1440031307
##########
hadoop-hdds/managed-rocksdb/src/main/java/org/apache/hadoop/hdds/utils/db/managed/ManagedRocksObjectUtils.java:
##########
@@ -41,27 +42,24 @@ private ManagedRocksObjectUtils() {
public static final Logger LOG =
LoggerFactory.getLogger(ManagedRocksObjectUtils.class);
+
private static final Duration POLL_DELAY_DURATION = Duration.ZERO;
private static final Duration POLL_INTERVAL_DURATION =
Duration.ofMillis(100);
- public static void assertClosed(ManagedObject<?> object) {
- assertClosed(object.get(), object.getStackTrace());
- }
- static void assertClosed(RocksObject rocksObject, String stackTrace) {
+ private static final LeakDetector LEAK_DETECTOR = new
LeakDetector("ManagedRocksObject");
+
+ static LeakTracker track(AutoCloseable object, @Nullable StackTraceElement[]
stackTrace) {
ManagedRocksObjectMetrics.INSTANCE.increaseManagedObject();
- if (rocksObject.isOwningHandle()) {
- reportLeak(rocksObject, stackTrace);
- }
+ final String name = object.getClass().getSimpleName();
Review Comment:
I fine to use `Class.getSimpleName()` although it is known to have bad
performance; see
https://stackoverflow.com/questions/17369304/why-is-class-getsimplename-not-cached
It seems minor.
##########
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/resource/package-info.java:
##########
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Contains utilities for resource management.
+ */
+package org.apache.hadoop.hdds.resource;
Review Comment:
This file should be removed.
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