Thread Dump in Java

Steps to take thread dump in Java in Windows

1. Download PSTools from below link
https://docs.microsoft.com/en-us/sysinternals/downloads/pstools
2. Use below command to take thread dump:

psexec -s <Path_to_JDK_bin_folder>\jstack.exe -l <process_id> ><PATH_WITH_FILE_NAME_FOR_DUMP>

e.g.

psexec -s D:\jdk1.8.0_171\bin\jstack.exe -l 319732 >D:\dump.txt

3. Download IBM Thread Dump Analyzer(TDA) from below link

https://public.dhe.ibm.com/software/websphere/appserv/support/tools/jca/jca465.jar

4. Double click on the jar to open

5. Click on File-->Open Thread Dumps.

6. Choose the thread dump file

7. Click on Analysis-->Thread Status Analysis

 

Details on TDA can be found here 

https://www.ibm.com/support/pages/ibm-thread-and-monitor-dump-analyzer-java-tmda

Useful Production Profiling links

Few days ago I was looking for a Profiling to be done on Production environment. Earlier, I used to use JProfiler & JavaMelody for performance / issue debugging in production environment.

But , of late I found Alibaba has created a new profiling tool for production usage. The below link contains the details. Please check out. Seems interesting

https://medium.com/@Alibaba_Cloud/troubleshooting-production-issues-with-alibabas-arthas-68d8ec2824d7