performance.

Speed up the server

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now find your java security folder which is in the jre/lib directory of the respective java installed directory

Go to java _home/jre/lib/security

Example: cd  /apps/jdk/jdk1.8.0_191/jre/lib/security open java.security

vi java.security

Edit java.security file

securerandom.source=file:/dev/random                     
                                to
securerandom.source=file:/dev/./urandom