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Date: Wed, 14 Oct 2009 07:51:23 -0700 (PDT)
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Subject: Re: Creating 'summary documents' on active data
From: dwight_10gen <dwi...@10gen.com>
To: mongodb-user <mongodb-user@googlegroups.com>
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how often do you want to (re)calculate the summarizes?  near realtime
or infrequent (daily)?


On Oct 14, 10:34=A0am, Wouter <wiegm...@gmail.com> wrote:
> I want to be able to create 'summary documents' (the Mongo equivalent
> of summary tables :-)).
>
> Once the summary document is created, it will be updated using $inc /
> $set, meaning the summary will be always up to date (that's what I
> need :-)).
>
> The process to create a summary looks like this:
>
> 1) Retrieve relevant data
>
> 2) Calculate summary
>
> 3) Store results in summary document
>
> 4) Update summary document when data is updated/added.
>
> However, if data is added/updated between step 1 and step 3, the