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Java Programs Are Running Slower In Newer Servers Due To Lack Of Entropy In The System (Doc ID 1615981.1)

Last updated on FEBRUARY 22, 2023

Applies to:

Oracle E-Business Suite Technology Stack - Version to 12.1.3 [Release 11.5.10 to 12.1]
Oracle Concurrent Processing - Version to 12.1.3 [Release 11.5 to 12.1]
Linux OS - Version Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.39] to Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.39] [Release OL6U4]
Oracle Cloud Infrastructure - Version N/A and later
Oracle Product Hub - Version 12.2.6 to 12.2.6 [Release 12.2]
Information in this document applies to any platform.


After new E-Business Suite installation or cloning under new Linux servers, Java based programs are running slower.  SQL traces do not show any issues and there is no spinning or memory consuming processes on the system. strace shows that Java threads are waiting on calls related with /dev/random.


 New Linux server is used.


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