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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5396) YARN large file broadcast service
Date Thu, 25 May 2017 03:59:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-5396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024164#comment-16024164
] 

Ming Ma commented on YARN-5396:
-------------------------------

Thanks [~aplusplus]! Is there any new progress on this? Interestingly Spark's broadcast supports
bittorrent mechanism as well, if yarn has this functionality, maybe Spark can switch to use
yan's version when it runs on yarn.

> YARN large file broadcast service
> ---------------------------------
>
>                 Key: YARN-5396
>                 URL: https://issues.apache.org/jira/browse/YARN-5396
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Zhiyuan Yang
>            Assignee: Zhiyuan Yang
>         Attachments: slides-prototype.pdf, YARN-broadcast-prototype.patch, YARNFileTransferService-prototype.pdf
>
>
> In Hadoop and related softwares, there are demands of broadcasting large files. For example,
YARN application may localize large jar files on each node; Hive may distribute large tables
in fragment-replicate joins; docker integration may broadcast large container image. The current
local resource based solution is to put the files on HDFS and let each node download from
HDFS, which is inefficient and not scalable. So we want to build a better file transfer service
in YARN so that all applications can use it broadcast large file efficiently.



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