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https://issues.apache.org/jira/browse/KAFKA-2431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14950641#comment-14950641
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Ben Stopford commented on KAFKA-2431:
-------------------------------------

Summary report can be found here: 
https://docs.google.com/document/d/1HlHkjAPK9kR_lk0DF34c3NDblCYTnN6D8GENV6YI2f8

> Test SSL/TLS impact on performance
> ----------------------------------
>
>                 Key: KAFKA-2431
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2431
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Ismael Juma
>            Assignee: Ben Stopford
>            Priority: Blocker
>             Fix For: 0.9.0.0
>
>
> Test new Producer and new Consumer performance with and without SSL/TLS once 
> the SSL/TLS branch is integrated.
> The ideal scenario is that SSL/TLS would not have an impact if disabled. When 
> enabled, there will be some overhead (encryption and the inability to use 
> `SendFile`) and it will be good to quantify it. The encryption overhead is 
> reduced if recent JDKs are used with CPUs that support AES-specific 
> instructions (https://en.wikipedia.org/wiki/AES_instruction_set).



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