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From Adam Kocoloski <kocol...@apache.org>
Subject Re: Optimal _id Length
Date Sat, 30 Oct 2010 02:27:00 GMT
If I recall correctly, the web server embedded in CouchDB has an 8k URL length limit.

Adam

On Oct 29, 2010, at 4:28 PM, Zachary Zolton wrote:

> CouchDB has a max length of 4GB of JSON for the whole, but it's
> configurable. Hopefully, your IDs wont brush up against that limit!
> 
> Also, here's another tidbit about IDs and their affect on performance:
> http://wiki.apache.org/couchdb/Performance#A_id
> 
> —Zach
> 
> On Fri, Oct 29, 2010 at 2:42 PM, Ian Hobson <ian.hobson@ntlworld.com> wrote:
>> On 29/10/2010 09:40, Zdravko Gligic wrote:
>>> 
>>> Hi Folks,
>>> 
>>> (1) How long can _id value be?
>> 
>> If it will handle anything longer than a UUID - and that would be easy to
>> test with a running system - then I expect there is no practical limit.
>>> 
>>> (2) Is there an optimal length - performance wise ?
>> 
>> Yes - its what fits your application best.
>> 
>> Any performance change from optimisation will be so small it will be hard to
>> measure. The costs of complicating your app to do it, however will be *much*
>> larger and easy to measure.
>> 
>> Regards
>> 
>> Ian
>>> 
>>> Thanks,
>>> teslan
>>> 
>>> 
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>>> 
>> 
>> 


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