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From "Paul Joseph Davis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COUCHDB-530) reduce_overflow_error on a view without reduce
Date Thu, 15 Oct 2009 21:37:31 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766267#action_12766267
] 

Paul Joseph Davis commented on COUCHDB-530:
-------------------------------------------

I don't think it was an error in 0.9.1 and its possible to disable that check in the config.

One thing that we have said before is the ability to make views return errors and warnings
to the user from view building but the current setup makes that somewhat difficult currently.

Also, that error is a bit wonky with the list vs binary confusion. I'll put it on the list
to fix.

> reduce_overflow_error on a view without reduce
> ----------------------------------------------
>
>                 Key: COUCHDB-530
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-530
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core
>    Affects Versions: 0.10
>         Environment: Ubuntu 9.04
>            Reporter: Miki Tebeka
>            Assignee: Paul Joseph Davis
>         Attachments: stats.view
>
>
> This view used to work on 0.9.1, I've installed 0.10.0 and migrated some data.
> When running the view I get the following error:
>     (env2.5)[11:47] admin $curl 'localhost:5985/stats/_design/stats/_view/active'
>     {"error":"reduce_overflow_error","reason":"Reduce output must shrink more rapidly:
Current output: '[[25,17,117,25,93,17,13,13,12,24,14,13,10,15,20,12,14,14,17,36,38,83,18,11,1058,12,10,29,13,12,10,14'...
(first 100 of 1395 bytes)"}
> What's interesting is that this view does not have a reduce function. The map function
is:
>     function (doc) {
>         if (doc.Type == 'max active') {
>             emit(doc.Time, doc.Count);
>         }
>     }
> A typical document looks like:
>     {"_id":"02c94bea2900686a01ebbf8829aabfa2","_rev":"1-cccb3b5eb382bf609bd41feb85af063b","Count":2,"Type":"max
active","Time":1254362400.0}

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