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From "Dave Cottlehuber (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1960) Provide pagination for /_all_dbs
Date Wed, 18 Dec 2013 14:52:08 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851782#comment-13851782
] 

Dave Cottlehuber commented on COUCHDB-1960:
-------------------------------------------

If I read this correctly, each _all_dbs ? limit query does a whole directory scan each time,
and we don't cache this. Is this risky? Other than that concern I am +1.

nitpicks:

DEFAULT_LIMIT of 16#10000000 could be given a more descriptive/enlightening name, maybe MAXIMUM_DBS_RETURNED
or something?
Also it needs some doc entry + ./share/doc/src/whatsnew/1.6.rst updated.



> Provide pagination for /_all_dbs
> --------------------------------
>
>                 Key: COUCHDB-1960
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1960
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: Fauxton, HTTP Interface
>            Reporter: Benjamin Young
>
> The database-per-user design pattern has increased in popularity and consequently causes
long lists of databases when one hits {{/_all_dbs}}
> To keep this sane, we need some pagination.
> {{?skip=10&limit=10}} style seems to be the simplest to implement (and there should
be existing code from Cloudant for this one).
> Thanks!



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