org.apache.giraph.utils

Class YourKitContext

java.lang.Object

org.apache.giraph.utils.YourKitContext

public class YourKitContext
extends Object

Convenience context for profiling. Hides away all of the exception handling. Do not instantiate directly, use only through YourKitProfiler.

Method Summary

Modifier and Type	Method and Description
void	snapshotCPUOnly(org.apache.hadoop.mapreduce.Mapper.Context context, String name) Capture snapshot with all recorded data except for heap dump.
void	snapshotCPUOnly(String destPath) Capture snapshot with all recorded data except for heap dump.
void	snapshotWithMemory(org.apache.hadoop.mapreduce.Mapper.Context context, String name) Capture snapshot with all recorded data including heap dump.
void	snapshotWithMemory(String destPath) Capture snapshot with all recorded data including heap dump.
void	stop() Stop recording

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

snapshotWithMemory

public void snapshotWithMemory(String destPath)

Capture snapshot with all recorded data including heap dump. WARNING: This is likely to be VERY slow for large jobs.

Parameters:

destPath - path to store snapshot file

snapshotWithMemory

public void snapshotWithMemory(org.apache.hadoop.mapreduce.Mapper.Context context,
                               String name)

Capture snapshot with all recorded data including heap dump. The snapshot file is saved in log directory, or /tmp as default. WARNING: This is likely to be VERY slow for large jobs.

Parameters:

context - context

name - snapshot file name

snapshotCPUOnly

public void snapshotCPUOnly(String destPath)

Capture snapshot with all recorded data except for heap dump.

Parameters:

destPath - path to store snapshot file

snapshotCPUOnly

public void snapshotCPUOnly(org.apache.hadoop.mapreduce.Mapper.Context context,
                            String name)

Capture snapshot with all recorded data except for heap dump. The snapshot file is saved in log directory, or /tmp as default.

Parameters:

context - context

name - snapshot file name

stop

public void stop()

Stop recording