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https://issues.apache.org/jira/browse/CASSANDRA-3706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13271583#comment-13271583
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Dave Brosius commented on CASSANDRA-3706:
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currently the rows are keyed by ip address, and have columns
YAMLDIGEST, YAMLCONTENTS, LOG4JDIGEST, LOG4JCONTENTS, ENVDIGEST, ENVCONTENTS
the digest columns are so you don't constantly write duplicate 'blobs' into the
database if nothing has changed. perhaps that's not much of a concern and i may
be biased by the fact that i constant start and stop instances for debugging.
In any case, i can change it to whatever you like.
> Back up configuration files on startup
> --------------------------------------
>
> Key: CASSANDRA-3706
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3706
> Project: Cassandra
> Issue Type: New Feature
> Components: Tools
> Reporter: Jonathan Ellis
> Assignee: Dave Brosius
> Priority: Minor
> Labels: lhf
> Fix For: 1.1.1
>
> Attachments: save_configuration.diff, save_configuration_2.diff,
> save_configuration_3.diff, save_configuration_4.diff,
> save_configuration_6.diff, save_configuration_7.diff
>
>
> Snapshot can backup user data, but it's also nice to be able to have
> known-good configurations saved as well in case of accidental snafus or even
> catastrophic loss of a cluster. If we check for changes to cassandra.yaml,
> cassandra-env.sh, and maybe log4j-server.properties on startup, we can back
> them up to a columnfamily that can then be handled by normal snapshot/backup
> procedures.
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