[SERVER-2435] Implement count() in parallel Created: 29/Jan/11  Updated: 12/Jul/16  Resolved: 10/Mar/14

Status: Closed
Project: Core Server
Component/s: Performance, Sharding
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Minor - P4
Reporter: Adrien Mogenet Assignee: Unassigned
Resolution: Done Votes: 23
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to SERVER-5797 Uncaught exception in count_slaveok.js Closed
is related to SERVER-1752 improve the performance of simple counts Closed
Participants:

 Description   

Think it could be interesting to implement count(

{ criteria }

) commands to perform in parallel on each shard.

Related to http://jira.mongodb.org/browse/SERVER-1752
Related to http://groups.google.com/group/mongodb-user/browse_thread/thread/255ccacc6b3aaf6



 Comments   
Comment by Greg Studer [ 06/Mar/14 ]

Fixed by SERVER-5797

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