[SERVER-52158] Create feature flag for Resharding Created: 30/Oct/20  Updated: 29/Oct/23  Resolved: 16/Mar/21

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 4.9.0

Type: Task Priority: Major - P3
Reporter: Connie Chen Assignee: Max Hirschhorn
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
is duplicated by SERVER-50248 Make the reshardCollection command no... Closed
Gantt End to End
Related
related to SERVER-52461 Enable feature flag for Resharding Closed
related to SERVER-54244 Add All Feature Flags Enabled shard l... Closed
related to SERVER-53289 Add additional coverage for flag-guar... Closed
Backwards Compatibility: Fully Compatible
Sprint: Sharding 2021-03-22
Participants:
Story Points: 2

 Description   

Create the feature flag for this project



 Comments   
Comment by Githook User [ 16/Mar/21 ]

Author:

{'name': 'Max Hirschhorn', 'email': 'max.hirschhorn@mongodb.com', 'username': 'visemet'}

Message: SERVER-52158 Move reshardCollection command behind its feature flag.
Branch: master
https://github.com/mongodb/mongo/commit/a0b2454ff310c14bc1846921907775aef740868a

Comment by Githook User [ 11/Mar/21 ]

Author:

{'name': 'Max Hirschhorn', 'email': 'max.hirschhorn@mongodb.com', 'username': 'visemet'}

Message: SERVER-52158 Create but don't yet use feature flag for resharding.
Branch: master
https://github.com/mongodb/mongo/commit/76b775b06f94cebb37931c4aebc1c5fc22e9c487

Comment by Max Hirschhorn [ 11/Jan/21 ]

Reopening this ticket after an email discussion with Tess and Cris. It would be fine for the resharding project to either

(a) create an IDL-based feature flag and specifically enable it in targeted tests and test suites (similar to what the slot-based execution project has been doing), or
(b) wait to create an IDL-based feature flag until work like SERVER-53289 and SERVER-53386 has been completed.

Comment by Blake Oler [ 12/Nov/20 ]

Not going to do this because:

  1. All resharding endpoints will be labeled as test commands only, so customers shouldn't be accessing them anyway, and
  2. There does not and will not exist any resharding-specific code executed that will be incompatible with earlier versions.

CC max.hirschhorn

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