[SERVER-30871] Permit blocking aggregation stages to run on mongoS if allowDiskUse is false Created: 29/Aug/17  Updated: 30/Oct/23  Resolved: 28/Sep/17

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 3.6.0-rc0

Type: Improvement Priority: Major - P3
Reporter: Bernard Gorman Assignee: Bernard Gorman
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
is depended on by SERVER-31689 Allow $facet to merge on mongoS if al... Closed
Related
is related to SERVER-22760 Sharded aggregation pipelines which i... Closed
Backwards Compatibility: Fully Compatible
Sprint: Query 2017-09-11, Query 2017-10-02
Participants:

 Description   

Following the work on SERVER-22760, all streaming stages -. those which can produce an output document based solely on the current input document, without needing to examine subsequent documents in the stream - can now run on mongoS. Extend this to permit blocking stages such as $group and non-merging $sort to also run on mongoS, provided that allowDiskUse is false.



 Comments   
Comment by Githook User [ 28/Sep/17 ]

Author:

{'email': 'bernard.gorman@gmail.com', 'name': 'Bernard Gorman', 'username': 'gormanb'}

Message: SERVER-30871 Permit blocking aggregation stages to run on mongoS if allowDiskUse is false
Branch: master
https://github.com/mongodb/mongo/commit/55637833c707998f685f997d43624c52cde99b45

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