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Holger Hoffstätte commented on CASSANDRA-2478:
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Another question about implementing the protocol. Thrift's only saving grace is
its capability to generate code for a multitude of languages from a schema (aka
protocol DSL). Do you expect the spec to be implemented "by hand"? Even with a
BNF or similar I don't see too many people writing their own generators (sigh).
Either way, it should be possible to verify (not "test", *verify*) a driver for
compliance, otherwise I'd expect the same drama as with AMQP where non-vendor
supplied drivers were (and often still are) in constantly diverging states of
brokenness. Just a suggestion.
> Custom CQL protocol/transport
> -----------------------------
>
> Key: CASSANDRA-2478
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2478
> Project: Cassandra
> Issue Type: New Feature
> Components: API, Core
> Reporter: Eric Evans
> Assignee: Sylvain Lebresne
> Priority: Minor
> Labels: cql
> Fix For: 1.2
>
> Attachments: cql_binary_protocol, cql_binary_protocol-v2
>
>
> A custom wire protocol would give us the flexibility to optimize for our
> specific use-cases, and eliminate a troublesome dependency (I'm referring to
> Thrift, but none of the others would be significantly better). Additionally,
> RPC is bad fit here, and we'd do better to move in the direction of something
> that natively supports streaming.
> I don't think this is as daunting as it might seem initially. Utilizing an
> existing server framework like Netty, combined with some copy-and-paste of
> bits from other FLOSS projects would probably get us 80% of the way there.
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