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From "genericqa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10768) Optimize Hadoop RPC encryption performance
Date Wed, 23 May 2018 17:21:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487693#comment-16487693
] 

genericqa commented on HADOOP-10768:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  6s{color} | {color:red}
HADOOP-10768 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-10768 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12924792/HADOOP-10768.010.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/14684/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


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> 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, HADOOP-10768.010.patch, Optimize Hadoop RPC
encryption performance.pdf, cpu_profile_RPC_encryption_AES.png, cpu_profile_rpc_encryption_optimize_calculateHMAC.png
>
>
> 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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