+1 non-binding

ср, 23 сент. 2026 г., 23:20 rahul mahadev <[email protected]>:

> Hi all,
>
> Following the discussion thread [1], I'd like to call a vote on
> standardizing the client User-Agent format in the REST catalog spec.
>
> What a +1 endorses:
> - Clients identify themselves with the standard HTTP User-Agent header
>   (RFC 7231): whitespace-separated product/version tokens, most specific
>   first (engine, then any integration or connector, then the Iceberg
>   library, then the runtime), with an optional parenthesized comment for
>   extra context. Example:
>
>     Spark/4.0.0 iceberg-spark/1.9.0 iceberg-java/1.9.0 (scala 2.13.16)
>
> - When the header is sent, the Iceberg library token (iceberg-java,
>   pyiceberg, iceberg-rust, iceberg-go) must be present.
> - The header is advisory. Servers must not reject a request just because
>   it is missing or malformed, and must not use it for authentication.
>   Servers may refuse operations from client versions known to be unsafe.
>   It is not a capability negotiation mechanism.
>
> The spec change is in PR [2]. If the vote passes, the follow-ups are
> conforming the client libraries (java, python, rust, go) to emit this
> format.
>
>
> [ ] +1 Adopt this User-Agent format in the REST spec
> [ ] 0
> [ ] -1 Do not adopt (please explain)
>
> Thanks,
> Rahul
>
> [1] https://lists.apache.org/thread/d6hkx66o8qc1lolh11l1lmswxlq0bpj9
> [2] https://github.com/apache/iceberg/pull/17727
>

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