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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10768) Optimize Hadoop RPC encryption performance
Date Mon, 14 May 2018 15:31:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474362#comment-16474362
] 

Wei-Chiu Chuang commented on HADOOP-10768:
------------------------------------------

Rev08 test passed our internal smoke tests after HBASE-20572 is applied. I'll spend some time
today to review it. Thanks.

> 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: Dapeng Sun
>            Priority: Major
>         Attachments: HADOOP-10768.001.patch, HADOOP-10768.002.patch, HADOOP-10768.003.patch,
HADOOP-10768.004.patch, HADOOP-10768.005.patch, HADOOP-10768.006.patch, HADOOP-10768.007.patch,
HADOOP-10768.008.patch, HADOOP-10768.009.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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