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Subject: Re: reduce_overflow_error on map function
From: Sebastian Cohnen <sebastiancohnen@googlemail.com>
In-Reply-To: <z2h9476dacc1005061154x893908a4r8a2d23fbcd7d9bd4@mail.gmail.com>
Date: Fri, 7 May 2010 08:52:44 +0200
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References: <z2h9476dacc1005061154x893908a4r8a2d23fbcd7d9bd4@mail.gmail.com>
To: user@couchdb.apache.org

is there any other reduce function in this design document?

On 06.05.2010, at 20:54, Ryan Ramage wrote:

> I have a function like the following (which is 'by the book' in the
> Finding Your Data With Views chapter)
>=20
> function(doc) {
>  if(doc.tags.length > 0) {
>    for(var idx in doc.tags) {
>      emit(doc.tags[idx], null);
>    }
>  }
> }
>=20
> There is no reduce function.
> But when I run on a very small data set (hundreds) I get the following =
error:
>=20
> {"error":"reduce_overflow_error","reason":"Reduce output must shrink
> more rapidly: Current output:
> =
'[[[\"Last_A8Sj9sj\",\"Person_c7114514770d9cf2a28fb5732a1a1c32\",\"Audio_P=
ost_Processing\",\"Calgary\",\"Idea\"'...
> (first 100 of 452 bytes)"}
>=20
>=20
> Each doc has no duplicate tags, and no more than 3 tags. I am running
> couchdb 0.11 on windows.
>=20
> Any ideas?