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Paulo Motta commented on CASSANDRA-4663:
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bq. I would think the easiest thing would be to send many files contained in
the StreamSession at once vs one at a time.
this would definitely be the best thing to do, but would probably require a
non-trivial change on the {{StreamSession}} to create/manage many connection
handlers and split init/prepare phase from file sending and probably require
some additional headers/messages. the easiest approach with the current
protocol is to create multiple stream session objects, which can in fact
increase the number of sstables created after streaming.
with that said, I think we should go with the best (and not the easiest)
approach, since we already suffer from creating too many sstables due to vnodes
and that could be worsened with that approach.
> 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
>
> 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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