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https://issues.apache.org/jira/browse/CASSANDRA-7231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14002917#comment-14002917
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Sylvain Lebresne commented on CASSANDRA-7231:
---------------------------------------------
I've attached a branch with what I think is the best option. I won't claim
using a flag is "the best thing ever" but I also don't buy that "doing
otherwise is much better" and I continue to think that having this optional is
a nice to have for driver upgrade. I'm also not sure what's the "version-based
option" is, since again, this has never meant to be *not* be option based. But
if we're talking about growing the current stream byte to 2 bytes, then it will
make the frame header 9 bytes instead of 8, which imo is ugly. Granted, the
option flag is kind of a hack around that, but well, it still has my
preference. But since it's arguably a preference, if it doesn't align with the
majority, I'm fine with an alternative provided it's not a pain for drivers
that do want/need to support multiple versions of the protocol. Don't wait on
me to provide the alternative however.
> Support more concurrent requests per native transport connection
> ----------------------------------------------------------------
>
> Key: CASSANDRA-7231
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7231
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Benedict
> Assignee: Sylvain Lebresne
> Priority: Minor
> Fix For: 2.1.0
>
> Attachments: 7231.txt
>
>
> Right now we only support 127 concurrent requests against a given native
> transport connection. This causes us to waste file handles opening multiple
> connections, increases driver complexity and dilutes writes across multiple
> connections so that batching cannot easily be performed.
> I propose raising this limit substantially, to somewhere in the region of
> 16-64K, and that this is a good time to do it since we're already bumping the
> protocol version.
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