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From GitBox <...@apache.org>
Subject [GitHub] [flink] StephanEwen commented on a change in pull request #10228: [FLINK-14816] Add thread dump feature for taskmanager
Date Tue, 19 Nov 2019 18:55:18 GMT
StephanEwen commented on a change in pull request #10228: [FLINK-14816] Add thread dump feature
for taskmanager
URL: https://github.com/apache/flink/pull/10228#discussion_r348106506
 
 

 ##########
 File path: flink-core/src/main/java/org/apache/flink/util/JvmUtils.java
 ##########
 @@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.util;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.ThreadInfo;
+import java.lang.management.ThreadMXBean;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.stream.Collectors;
+
+/**
+ * Utilities for {@link java.lang.management.ManagementFactory}.
+ */
+public class JvmUtils {
+
+	/**
+	 * Returns the thread info for all live threads with stack trace and synchronization information.
+	 *
+	 * @return the thread dump info of current JVM
+	 */
+	public static String threadDumpInfo(){
 
 Review comment:
   Please also add an explicit Charset for the encoding.

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