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https://issues.apache.org/jira/browse/CASSANDRA-3937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238637#comment-13238637
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Brandon Williams commented on CASSANDRA-3937:
---------------------------------------------

bq. Firstly, is prepending the schema version string onto the existing output 
likely to break any existing tooling ?

If someone is naively automating nodetool instead of using JMX itself, that is 
their problem to solve, so I don't see a problem with this.

bq. Secondly, StorageProxy.decribeSchemaVersions() messages all live nodes in 
the ring to find out their Schema versions. I thought that maybe this might be 
a useful thing to expose via nodetool. Are there objections to adding nodetool 
commands that require network comms?

I think this kind of violates nodetool's current philosophy (ala 
CASSANDRA-2607) where it should do one thing against that machine only.  If 
someone wants to see all the versions they can automate nodetool quite easily.
                
> nodetool describering should report the schema version
> ------------------------------------------------------
>
>                 Key: CASSANDRA-3937
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3937
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Brandon Williams
>            Priority: Trivial
>              Labels: lhf
>             Fix For: 1.1.0
>
>         Attachments: 
> v1-0001-CASSANDRA-3937-Add-schema-version-to-nodetool-describe.txt
>
>
> Specifically to aid in debugging things like CASSANDRA-3931, now that you 
> can't just decode the UUIDs to see which one has the higher timestamp.

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