[SERVER-9723] Enhance mapReduce to use all cores for a single mapReduce job Created: 17/May/13  Updated: 17/May/13  Resolved: 17/May/13

Status: Closed
Project: Core Server
Component/s: MapReduce
Affects Version/s: 2.4.3
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Chad Tindel Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-463 map/reduce should use all CPU cores Closed
Participants:

 Description   

Right now a single mapReduce job will use only one core on a mongod instance, but if the system has 4 cores we could be breaking the document set into 4 smaller sets and passing each of those into a separate v8 thread.



 Comments   
Comment by Scott Hernandez (Inactive) [ 17/May/13 ]

dup of SERVER-463

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