[SERVER-36113] Add ability to perform $exchange when shard key is hashed Created: 13/Jul/18  Updated: 29/Oct/23  Resolved: 01/Oct/18

Status: Closed
Project: Core Server
Component/s: Aggregation Framework, Sharding
Affects Version/s: None
Fix Version/s: 4.1.4

Type: Task Priority: Major - P3
Reporter: Charlie Swanson Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-35905 Plug pieces together to perform a dis... Closed
Backwards Compatibility: Fully Compatible
Sprint: Query 2018-08-27, Query 2018-09-10, Query 2018-09-24, Query 2018-10-08
Participants:

 Description   

This will not be done as part of SERVER-35904/SERVER-35905



 Comments   
Comment by Githook User [ 01/Oct/18 ]

Author:

{'name': 'Martin Neupauer', 'email': 'martin.neupauer@mongodb.com', 'username': 'MartinNeupauer'}

Message: SERVER-36113 Add ability to perform $exchange when shard key is hashed
Branch: master
https://github.com/mongodb/mongo/commit/f9ae642a5cab2be1c4592d67f722b849b5151739

Comment by Martin Neupauer [ 01/Aug/18 ]

As per comment from Charlie I'm keeping this ticket open.

Comment by Githook User [ 01/Aug/18 ]

Author:

{'name': 'Martin Neupauer', 'email': 'martin.neupauer@mongodb.com', 'username': 'MartinNeupauer'}

Message: SERVER-36314 Add unit tests for the parsing of $exchange producer
SERVER-36113 Add ability to perform $exchange when shard key is hashed
Branch: master
https://github.com/mongodb/mongo/commit/f263446414cfdcc0e0caf24e7f61a058faf382ef

Comment by Charlie Swanson [ 01/Aug/18 ]

martin.neupauer I understand your recent code review adds the functionality to the $exchange producer stage - but I think this ticket should remain open after pushing those changes. I'd like some ticket to track the work to test that this works in an actual sharded cluster, and I don't necessarily want that ticket to be SERVER-35905, just to reduce the test surface area and friction in code review. Sound reasonable?

If you'd prefer, we could close this ticket and open a new one.

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