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https://issues.apache.org/jira/browse/KAFKA-2431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15182739#comment-15182739
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Ismael Juma commented on KAFKA-2431:
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Hi [~ssuo], an OpenSSL-based implementation is not being developed right now.
See KAFKA-2561 for the information we collected.
> 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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