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From Zachary Zolton <zachary.zol...@gmail.com>
Subject Re: Optimal _id Length
Date Fri, 29 Oct 2010 20:28:10 GMT
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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