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https://issues.apache.org/jira/browse/DERBY-4939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan updated DERBY-4939:
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Attachment: derby-4939-1a-enable_istat.diff
Attached patch 1a, which enables the feature.
I expect there will be issues to deal with, please bring them up on derby-dev
and/or file JIRA issues.
To disable the feature use derby.storage.indexStats.auto=false.
See
https://issues.apache.org/jira/browse/DERBY-4938?focusedCommentId=12992769&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12992769
(or DERBY-4771) for more information on the available experimental
(debug/troubleshooting) knobs.
Committed to trunk with revision 1069598.
> Enable istat daemon and tests
> -----------------------------
>
> Key: DERBY-4939
> URL: https://issues.apache.org/jira/browse/DERBY-4939
> Project: Derby
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 10.8.0.0
> Reporter: Kristian Waagan
> Assignee: Kristian Waagan
> Attachments: derby-4939-1a-enable_istat.diff
>
>
> Enable automatic updates and creations of index cardinality statistics, and
> wire the tests into the regression suite.
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