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https://issues.apache.org/jira/browse/SPARK-22229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16752044#comment-16752044
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Sujith edited comment on SPARK-22229 at 1/25/19 8:53 AM:
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@[~yuvaldeg] May i know where i can find PR related to new
[SparkRDMA|https://github.com/Mellanox/SparkRDMA] implementation. just wanted
to evaluate it further, quite interesting feature
was (Author: s71955):
@[~yuvaldeg] May i know where i can find PR related to new
[SparkRDMA|https://github.com/Mellanox/SparkRDMA] implementation. We want to
evaluate it further, quite interesting feature
> SPIP: RDMA Accelerated Shuffle Engine
> -------------------------------------
>
> Key: SPARK-22229
> URL: https://issues.apache.org/jira/browse/SPARK-22229
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: Yuval Degani
> Priority: Major
> Attachments:
> SPARK-22229_SPIP_RDMA_Accelerated_Shuffle_Engine_Rev_1.0.pdf
>
>
> An RDMA-accelerated shuffle engine can provide enormous performance benefits
> to shuffle-intensive Spark jobs, as demonstrated in the “SparkRDMA” plugin
> open-source project ([https://github.com/Mellanox/SparkRDMA]).
> Using RDMA for shuffle improves CPU utilization significantly and reduces I/O
> processing overhead by bypassing the kernel and networking stack as well as
> avoiding memory copies entirely. Those valuable CPU cycles are then consumed
> directly by the actual Spark workloads, and help reducing the job runtime
> significantly.
> This performance gain is demonstrated with both industry standard HiBench
> TeraSort (shows 1.5x speedup in sorting) as well as shuffle intensive
> customer applications.
> SparkRDMA will be presented at Spark Summit 2017 in Dublin
> ([https://spark-summit.org/eu-2017/events/accelerating-shuffle-a-tailor-made-rdma-solution-for-apache-spark/]).
> Please see attached proposal document for more information.
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