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From "Dian Fu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10768) Optimize Hadoop RPC encryption performance
Date Mon, 30 Oct 2017 02:20:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16224316#comment-16224316
] 

Dian Fu commented on HADOOP-10768:
----------------------------------

Hi, [~daryn], [~atm], very sorry for the late response.  I'm afraid that currently I have
no bandwidth to continue the work of this ticket and it would be great if someone could take
over it. 

> Optimize Hadoop RPC encryption performance
> ------------------------------------------
>
>                 Key: HADOOP-10768
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10768
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: performance, security
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Yi Liu
>            Assignee: Dian Fu
>         Attachments: HADOOP-10768.001.patch, HADOOP-10768.002.patch, HADOOP-10768.003.patch,
Optimize Hadoop RPC encryption performance.pdf
>
>
> Hadoop RPC encryption is enabled by setting {{hadoop.rpc.protection}} to "privacy". It
utilized SASL {{GSSAPI}} and {{DIGEST-MD5}} mechanisms for secure authentication and data
protection. Even {{GSSAPI}} supports using AES, but without AES-NI support by default, so
the encryption is slow and will become bottleneck.
> After discuss with [~atm], [~tucu00] and [~umamaheswararao], we can do the same optimization
as in HDFS-6606. Use AES-NI with more than *20x* speedup.
> On the other hand, RPC message is small, but RPC is frequent and there may be lots of
RPC calls in one connection, we needs to setup benchmark to see real improvement and then
make a trade-off. 



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