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https://issues.apache.org/jira/browse/CASSANDRA-4663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15832312#comment-15832312
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Jason Brown commented on CASSANDRA-4663:
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OK, test look reasonable (no new dtest failures that are not currently failing
on trunk). For the record, [~iksaif]'s patch parallelizes the streaming of the
keyspaces being sent. If you have multiple keyspaces, you will potentially get
an nice win. However, if there is only one keyspace (or most data is in one),
there is no parallelization gained. I'll update the title of this jira to
reflect that. As part of CASSANDRA-12229, or an immediate follow up, I'll be
addressing sending sending files in parallel, so that request won't fall off
the radar.
+1'ing the ticket and will commit briefly
> 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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