WebLogic Admin Tricks & Tips

Dear WebLogic users/Administrator you might already visited many other sites that discussed about - how to take the thread dump. But here I am going to tell you about automation script makes more simplified way of working, with more information - almost 70% on the occasion of STUCK thread Thread dumps will reveals. In case of High CPU utilization situations, which method is badly working. Step by Step analysis for Thread Dump Thread dump troubleshooting from Jerry Chan Step 1: Automated Thread Dump for WebLogic Take the Thread dump for a managed server that have issues or slowness or latency etc. You just read the description and start applying to your test environment and then try out on your Live environments. Cheers! #!/bin/bash # This script will takes the managed server name as argument and it will work generic to Linux or SunOS or HP-UX. # The only ps command options varies for each platform # Kill -3 command used for every 10 seconds of interval. You can increa...

After exploring the Jay/Faisal's blog on 'jmap' java utility usage and Heap dump. It is really great work by Jay/Faisal. I just thought that similar kind of experiment we did long back on UNIX machines. I am glad to sharing that with you guys. Last year, we were struggling to overcome the OutOfMemoryError, which would effect the most of productive hours. In this assignment I need to figure out what process is causing the low memory in the environment is identified by searching a all log files in the machine. Assume that all the WebLogic instance log files are collected into common directory structure, each of them are stored respective instance named folder. Script 1: After identifying the impacted instances, I need to take the heap dump of that particular instance with corresponding process id. #============================================================== # File Name : CheckLogs.sh # Author : Pavan Devarakonda # Purpose : Script for searching all WebLogic in...