JvmUtils (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.runtime.util.JvmUtils

public final class JvmUtils
extends Object

Utilities for ManagementFactory.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Collection<ThreadInfo>`	`createThreadDump()`	Creates a thread dump of the current JVM.
`static Optional<ThreadInfoSample>`	`createThreadInfoSample(long threadId, int maxStackTraceDepth)`	Creates a `ThreadInfoSample` for a specific thread.
`static Map<Long,ThreadInfoSample>`	`createThreadInfoSample(Collection<Long> threadIds, int maxStackTraceDepth)`	Creates a `ThreadInfoSample` for a specific thread.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - createThreadDump
```
public static Collection<ThreadInfo> createThreadDump()
```
    Creates a thread dump of the current JVM.
    
    Returns:
    
    the thread dump of current JVM
  - createThreadInfoSample
```
public static Optional<ThreadInfoSample> createThreadInfoSample(long threadId,
                                                                int maxStackTraceDepth)
```
    Creates a ThreadInfoSample for a specific thread. Contains thread traces if maxStackTraceDepth > 0.
    
    Parameters:
    
    threadId - The ID of the thread to create the thread dump for.
    
    maxStackTraceDepth - The maximum number of entries in the stack trace to be collected.
    
    Returns:
    
    The thread information of a specific thread.
  - createThreadInfoSample
```
public static Map<Long,ThreadInfoSample> createThreadInfoSample(Collection<Long> threadIds,
                                                                      int maxStackTraceDepth)
```
    Creates a ThreadInfoSample for a specific thread. Contains thread traces if maxStackTraceDepth > 0.
    
    Parameters:
    
    threadIds - The IDs of the threads to create the thread dump for.
    
    maxStackTraceDepth - The maximum number of entries in the stack trace to be collected.
    
    Returns:
    
    The map key is the thread id, the map value is the thread information for the requested thread IDs.