[SERVER-80326] Map-Reduce output is not atomic Created: 23/Aug/23  Updated: 02/Feb/24

Status: In Progress
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Minor - P4
Reporter: Foteini Alvanaki Assignee: Suganthi Mani
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Assigned Teams:
Serverless
Operating System: ALL
Sprint: Server Serverless 2023-09-18, Server Serverless 2023-10-02, Execution Team 2024-01-22, Execution Team 2024-02-05, Execution Team 2024-02-19
Participants:
Linked BF Score: 5

 Description   

Starting in 4.4 Map-Reduce does not support the nonAtomic option. The output is always nonAtomic and the option is ignored. Tests with tenant migration behaviour that check the output of a Map-Reduce might fail and thus should be tagged tenant_migration_incompatible.

mr_reduce.js and mr_merge.js are two of those tests but there might be more.


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