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From "Corentin Chary (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-4663) Streaming sends one file at a time serially.
Date Sun, 11 Dec 2016 15:16:59 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Corentin Chary updated CASSANDRA-4663:
--------------------------------------
         Reviewer: Jason Brown
    Fix Version/s: 3.x
           Status: Patch Available  (was: Reopened)

On the systems that I've seen it looked that it was mainly the receiver that was CPU bound.
I'm attaching a patch that provides a workaround for 3.X.

> Streaming sends one file at a time serially. 
> ---------------------------------------------
>
>                 Key: CASSANDRA-4663
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4663
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: sankalp kohli
>            Priority: Minor
>             Fix For: 3.x
>
>         Attachments: 0001-streaming-add-a-way-to-configure-the-number-of-conne.patch
>
>
> This is not fast enough when someone is using SSD and may be 10G link. We should try
to create multiple connections and send multiple files in parallel. 
> Current approach under utilize the link(even 1G).
> This change will improve the bootstrapping time of a node. 



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