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https://issues.apache.org/jira/browse/DERBY-5083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239775#comment-13239775
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Kim Haase commented on DERBY-5083:
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It's time to work on this at last, I believe. A couple of quick questions:
>From the release note for Derby 10.8, it appears that the properties
>derby.storage.indexStats.auto and derby.storage.indexStats.log are database
>properties only and cannot be set at the system-wide level -- is that true?
Also, are these properties dynamic?
The release notes did not mention derby.storage.indexStats.trace, so I gather
we chose not to expose that property?
Thanks!
> Document automatic update and creation of index cardinality statistics (istat)
> ------------------------------------------------------------------------------
>
> Key: DERBY-5083
> URL: https://issues.apache.org/jira/browse/DERBY-5083
> Project: Derby
> Issue Type: Task
> Components: Documentation
> Affects Versions: 10.8.1.2
> Reporter: Kim Haase
> Assignee: Kim Haase
>
> Documentation is needed for the automatic index statistics feature
> (DERBY-4934). It appears that a change is needed to the Tuning Guide topic
> "When cardinality statistics are automatically updated", at least.
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