FAQ
We have been using incremental Map/Reduce to avoid doing expensive
full data refreshes as new data arrives. Looking at the new
aggregation framework, I am not quite sure if that can be done? Is
incremental update possible, or even in the plans for the new
aggregation framework?

Thanks.
-AP_

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  • Randolph Tan at Mar 20, 2012 at 8:12 pm
    Hi,

    There is a current ticket that will implement $out for aggregation:

    https://jira.mongodb.org/browse/SERVER-3253

    There is currently no definite directions on which mode is going to be
    implemented and when it will be done but feel free to track the ticket.
    On Tuesday, March 20, 2012 11:25:02 AM UTC-4, Alex Paransky wrote:

    We have been using incremental Map/Reduce to avoid doing expensive
    full data refreshes as new data arrives. Looking at the new
    aggregation framework, I am not quite sure if that can be done? Is
    incremental update possible, or even in the plans for the new
    aggregation framework?

    Thanks.
    -AP_
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