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https://issues.apache.org/jira/browse/CASSANDRA-16319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-16319:
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Resolution: Not A Problem
Status: Resolved (was: Open)
Breaking compatibility across different builds of a beta protocol is
sanctioned/expected, so closing this. ML thread
[here|https://lists.apache.org/thread.html/rc5f5222219f31f595f75cfa3e9672c0a7069a55c4d93982e384d0054%40%3Cdev.cassandra.apache.org%3E]
> Bump native protocol framing from v5 to v6
> ------------------------------------------
>
> Key: CASSANDRA-16319
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16319
> Project: Cassandra
> Issue Type: Improvement
> Components: Messaging/Client
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Priority: Normal
> Fix For: 4.0-beta
>
>
> CASSANDRA-15299 revised the wire format of CQL native protocol to add a
> framing layer around the existing CQL messages. This was originally targetted
> at protocol v5, which is (still) currently in beta. There's a complication
> with this though; while v5-beta is supported in Cassandra 3.11.x and 4.0.0,
> the new wire format is only committed to trunk (4.0.0). This means that if
> clients upgrade to a version of their driver which supports the new wire
> format (3.10.0 for the java driver, python driver is not yet offically
> released), connections to Cassandra 3.11.x nodes will break if the client
> specifies v5-beta as the preferred protocol version.
> Without the wire format changes the v5 changelog is pretty minimal, but
> pulling v5 support from 3.11.x would make for a pretty bad user experience,
> despite it being "only" a beta.
> I propose finalizing CASSANDRA-14973 to promote v5 from beta to a final
> version and bumping the new wire format changes to v6-beta, making both of
> these changes in 4.0 and 3.11. Because v5 requires the beta flag to be set in
> the frame header if using a beta version, this requires that users upgrade
> clusters to a version with v5-final before upgrading to a driver with
> v5-final. We should include this in NEWS.txt
> The changes required to Cassandra itself are minor, as are the corresponding
> patches to the java and python drivers.
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