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https://issues.apache.org/jira/browse/COUCHDB-218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719331#action_12719331
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Chris Anderson commented on COUCHDB-218:
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thinking about this patch, I realize the hard part will be deleting un-needed
indexes. basically we'll need to periodically calculate the hashes of all ddocs
in a database, and delete any index files who's names don't match any of the
hashes. this could be triggered on ddoc update asynchronously.
ahh, cache invalidation...
> Name view files by function signature for no-downtime deployments
> -----------------------------------------------------------------
>
> Key: COUCHDB-218
> URL: https://issues.apache.org/jira/browse/COUCHDB-218
> Project: CouchDB
> Issue Type: Improvement
> Components: JavaScript View Server
> Reporter: Robert Newson
> Assignee: Chris Anderson
> Fix For: 0.10
>
>
> When a view is altered the .view file is deleted and then recreated. Any
> query (with update=false) in the interim gets no results even though the
> results from the old view would have been adequate.
> Consider switching the replacement view file in after it's been rebuilt like
> db compaction does.
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