How To Improve WebLogic Server Start Up & Login Performance?

==> You may be noticed that the WebLogic Server start up performance is considerably very poor due to linux server Entropy issue

==> There are so many situation like WebLogic Console hanging after entering credentials an clicking on Login button & Slow Server Start up etc.

==> Entropy is the measure of the random numbers available from /dev/urandom, and if you run out,you can’t make SSL connections.

Step 1) Check the linux server Entropy using below command

         
             cat /proc/sys/kernel/random/entropy_avail

             If the o/p is between 100 to 200 in that case problem exist

             Example:

Step 2) set the JAVA_OPTION "-Djava.security.egd=file:/dev/./urandom" in setDomainEnv.sh file

Step 3) Restart the AdminServer 

cd /oracle/Middleware/user_projects/domains/base_domain/bin
./stopWebLogic.sh
nohup ./startWebLogic.sh &

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