The project uses SpringBoot 2.x, openjdk 1.8.0_232
Recently found that it can be consumed slowly. Through mat analysis, it is found that sun.security.ssl.SSLSessionContextImpl takes up a lot of memory over time
SpringBoot sun.security.ssl.SSLSessionContextImpl Memory leak
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3 Answers
Some people say by setting SSLContext.getDefault().getServerSessionContext().setSessionCacheSize(10);
I set it but it is invalid, maybe my way is wrong; I put it directly in the startup class to initialize
Have the exact same problem, but in a Grails app (also based on Spring Boot 1.5.x). The problem persists also after settings those parameters - sessionCacheSize and sessionTimeout - to small values: 10 and 60 respectively.
Unfortunately i think you have came across a JDK BUG that has not been fixed yet.
Below are the details
https://bugs.openjdk.java.net/browse/JDK-8186628
https://bugs.openjdk.java.net/browse/JDK-8202086
So here are your options in my opinion as of now.
1 try with latest version of Java which most probably will not be feasible for PROD environment
2 Wait for the bug fix.
3 Fix the bug yourself and submit it at appropriate channel.
4 Try to find some other way around like reusing existing session maybe?????
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