[SERVER-67812] Enable exhaust cursor for the prefetch aggregate commands in tenant migration. Created: 06/Jul/22  Updated: 06/Oct/23

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

Type: Bug Priority: Major - P3
Reporter: Suganthi Mani Assignee: Backlog - Service Architecture
Resolution: Unresolved Votes: 0
Labels: neweng
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Service Arch
Operating System: ALL
Participants:

 Description   

We have explicitly turned off the exhaust option here and here in the tenant migration code. We don't have reasoning behind that decision. As part of this ticket we should should either enable the exhaust mode, if not we should at least add a comment in the code why we are not enabling the exhaust cursor for future reference.



 Comments   
Comment by Steven Vannelli [ 11/Jul/22 ]

This is applicable to both Shard Merge and Tenant Migrations

Comment by Suganthi Mani [ 06/Jul/22 ]

Note: Though turning the exhaust cursor for small result set won't provide substantial perf gain, it's good to understand why we turned off the exhaust cursor support explicitly.

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