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https://issues.apache.org/jira/browse/COUCHDB-1296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141428#comment-13141428
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Jan Lehnardt commented on COUCHDB-1296:
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@Sam: My argument is that COUCHDB-360 concludes that global changes feed in not
the right way to think about this problem and that a db-event handler + the
db/_chahges are the right way to go.
> _changes style feed for database create/delete
> ----------------------------------------------
>
> Key: COUCHDB-1296
> URL: https://issues.apache.org/jira/browse/COUCHDB-1296
> Project: CouchDB
> Issue Type: New Feature
> Reporter: Sam Bisbee
>
> It would be great to have a _changes style feed for when databases get
> created and deleted. Currently if you want to watch the _changes feed or
> start replication jobs for certain types of databases (say they're name
> spaced) you have to get /_all_dbs and then poll it to check for changes,
> requiring a full array scan.
> This feed would allow me to hit /_all_dbs once and then get updates without
> hitting /_all_dbs every second and scanning a potentially large array.
> Cheers.
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