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Posted to yarn-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2018/11/17 03:33:01 UTC
[jira] [Commented] (YARN-2681) Support bandwidth enforcement for
containers while reading from HDFS
[ https://issues.apache.org/jira/browse/YARN-2681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16690355#comment-16690355 ]
Hadoop QA commented on YARN-2681:
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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} YARN-2681 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 | YARN-2681 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12745824/YARN-2681.005.patch |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/22581/console |
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This message was automatically generated.
> Support bandwidth enforcement for containers while reading from HDFS
> --------------------------------------------------------------------
>
> Key: YARN-2681
> URL: https://issues.apache.org/jira/browse/YARN-2681
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager
> Affects Versions: 2.5.1
> Environment: Linux
> Reporter: Nam H. Do
> Priority: Major
> Attachments: Traffic Control Design.png, YARN-2681.001.patch, YARN-2681.002.patch, YARN-2681.003.patch, YARN-2681.004.patch, YARN-2681.005.patch, YARN-2681.patch
>
>
> To read/write data from HDFS on data node, applications establise TCP/IP connections with the datanode. The HDFS read can be controled by setting Linux Traffic Control (TC) subsystem on the data node to make filters on appropriate connections.
> The current cgroups net_cls concept can not be applied on the node where the container is launched, netheir on data node since:
> - TC hanldes outgoing bandwidth only, so it can be set on container node (HDFS read = incoming data for the container)
> - Since HDFS data node is handled by only one process, it is not possible to use net_cls to separate connections from different containers to the datanode.
> Tasks:
> 1) Extend Resource model to define bandwidth enforcement rate
> 2) Monitor TCP/IP connection estabilised by container handling process and its child processes
> 3) Set Linux Traffic Control rules on data node base on address:port pairs in order to enforce bandwidth of outgoing data
> Concept: http://www.hit.bme.hu/~do/papers/EnforcementDesign.pdf
> Implementation:
> http://www.hit.bme.hu/~dohoai/documents/HdfsTrafficControl.pdf
> http://www.hit.bme.hu/~dohoai/documents/HdfsTrafficControl_UML_diagram.png
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