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Description of problem: If THP (Transparent Huge Pages) are enabled unconditionally on the system, java applications that use many threads may see a huge Resident Set Size. That footprint is caused by thread stacks being mostly paged in. The issue was reported in JDK bug database and already fixed: THPs cause huge RSS due to thread start timing issue https://bugs.openjdk.org/browse/JDK-8312182 We checked source code in src rpm, it looks OpenJDK 11(latest) and OpenJDK 17 does not contain the above fix. Please a backport the fix. Version-Release number of selected component (if applicable): java-11-openjdk-11.0.20.0.8-3.el8 java-17-openjdk-17.0.8.0.7-2.el8 How reproducible: Anytime Steps to Reproduce: N/A Actual results: N/A Expected results: If enabling them "always", it can not lead to huge memory footprint and bad startup performance
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