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https://issues.apache.org/jira/browse/CASSANDRA-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Dusbabek updated CASSANDRA-1389:
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Attachment:
v1-0001-do-not-announce-when-applying-schema-updates-that-arri.txt
> Schema migrations are noisy
> ---------------------------
>
> Key: CASSANDRA-1389
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1389
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.7 beta 1
> Reporter: Gary Dusbabek
> Assignee: Gary Dusbabek
> Priority: Minor
> Fix For: 0.7 beta 2
>
> Attachments:
> v1-0001-do-not-announce-when-applying-schema-updates-that-arri.txt
>
>
> Currently, when a schema update happens on a node, it calls
> Migration.announce(), which sends a message to every live node announcing its
> version. This creates a terrible amount of noise (n^2 messages) in fairly
> rapid succession.
> I think announcing should only be done as part of a) a client request or b)
> loadSchemaFromYaml. All other migrations (as a result of receiving a
> message) should just keep quiet after applying the migration.
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