[SERVER-326] Optimize MapReduce processing Created: 01/Oct/09  Updated: 12/Jul/16  Resolved: 29/Nov/09

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: 1.1.1
Fix Version/s: 1.1.4

Type: Improvement Priority: Minor - P4
Reporter: Aníbal Rojas Assignee: Eliot Horowitz (Inactive)
Resolution: Done Votes: 4
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Ubuntu 9.10, 64 bits


Issue Links:
Depends
depends on SERVER-446 finish v8 engine Closed
Related
related to SERVER-447 new aggregation framework Closed
related to SERVER-330 change Map/Reduce output to use _id i... Closed
Participants:

 Description   

The initial implementation of MapReduce takes a lot of time and resources. This ticket is opened as per devs request to contribute data and query to enhance MR implementation.



 Comments   
Comment by Eliot Horowitz (Inactive) [ 29/Nov/09 ]

some improvements made.
see related tasks for next steps

Comment by auto [ 04/Nov/09 ]

Author:

{'name': 'Eliot Horowitz', 'email': 'eliot@10gen.com'}

Message: new mapreduce arch which is much faster for most data sets SERVER-326
http://github.com/mongodb/mongo/commit/40f7fbff6d8bdc7e1c6d93de5f9a8bceb5fe0f4a

Comment by Eliot Horowitz (Inactive) [ 16/Oct/09 ]

in the middle of a v8 port which should help

Comment by Eliot Horowitz (Inactive) [ 07/Oct/09 ]

made it a bit faster

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