zuston commented on issue #674:
URL: 
https://github.com/apache/incubator-uniffle/issues/674#issuecomment-1455093515

   > Is there any parameter turning for Java 8 to achieve similar performance 
gain like Java 11?
   
   I don’t apply any param turning
   
   > So I believe we cannot simply change the default JDK version to 11 as you 
proposed in https://github.com/apache/incubator-uniffle/pull/683. However, it's 
always possible to build rss-server with alternative JDK 11 based images.
   
   Yes, we don’t directly drop java8. But we’d better to recommend using java11 
or higher version, especially for shuffle server and avoid performance issues 
for users. 
   
   Maybe this should be underlined in the readme.


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