How is reduce size computed? Is it strictly number of bytes? Thanks, A On Thu, Aug 27, 2009 at 11:11 AM, Paul Davis <[email protected]>wrote:
> On Thu, Aug 27, 2009 at 2:06 PM, Zachary Zolton<[email protected]> > wrote: > > Ohai, > > > > I'm prepping my app for the 0.10 release, and on the Breaking Changes > > wiki page, I came across this: > > > > Stricter enforcing of reduciness in reduce-functions > > Reduce functions are now required to reduce the number of values for a > key. > > > > Can someone tell me what this means? > > By default, reduces are checked for exploding data. Basically, if the > input to the reduce doesn't shrink then it starts throwing errors. > This was to combat the once common, "I don't understand why it works > with 10 documents, but not 100,000" threads. > > > > > (Also, I'm considering adding some kind of warning in there about > > reduce=false on map-only views, since I was bitten by that change...) > > > > Feel free to add anything as you see fit. > > > > > Cheers, > > > > Zach > > > > HTH, > Paul Davis >
