[SERVER-34280] Disallow global snapshot reads on mongos unless a special test only setting is set Created: 03/Apr/18  Updated: 06/Dec/22  Resolved: 09/Apr/18

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

Type: Task Priority: Major - P3
Reporter: Misha Tyulenev Assignee: [DO NOT USE] Backlog - Sharding Team
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-34197 Allow global snapshot reads only with... Closed
Assigned Teams:
Sharding
Participants:

 Description   

The cluster wide reads support only single statement reads. To be exposed to users this feature must support multi statement transactions as well. This will be implemented in the next release on top of the single statement reads.
To enable testing the new server parameter will be added that will enable the single document cluster snapshot reads and the test suites will be modified to set it when running related to snapshot reads tests.



 Comments   
Comment by James Wahlin [ 03/Apr/18 ]

Replica set snapshot reads have been gated by the 'enableTestCommands' parameter. We may want to use the same for global snapshot reads.

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