[SERVER-34136] Add multi-shard integration tests for global snapshot aggregate and find commands Created: 26/Mar/18  Updated: 29/Oct/23  Resolved: 14/Aug/18

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 4.1.2

Type: Task Priority: Major - P3
Reporter: Misha Tyulenev Assignee: Jack Mulrow
Resolution: Fixed Votes: 0
Labels: ShardedTxn:GlobalSnapshot
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-31767 Provide a window of snapshot history ... Closed
Related
related to SERVER-36515 Make ClusterCommitTransaction only se... Closed
Backwards Compatibility: Fully Compatible
Sprint: Sharding 2018-08-13, Sharding 2018-08-27
Participants:

 Description   

Add an integration test to global snapshot aggregate and find commands that execute

  • all shard reads
  • 2 out out of 3 (or more) shard reads


 Comments   
Comment by Githook User [ 14/Aug/18 ]

Author:

{'username': 'jsmulrow', 'email': 'jack.mulrow@mongodb.com', 'name': 'Jack Mulrow'}

Message: SERVER-34136 Add multi-shard integration tests for global snapshot aggregate and find commands
Branch: master
https://github.com/mongodb/mongo/commit/d4ef1d827ac1f5bb5323c5468c320830e01fc309

Comment by Jack Mulrow [ 17/Apr/18 ]

Since there is no window of snapshot history, atClusterTime reads across multiple shards can't be expected to reliably establish a global snapshot. This ticket should be revisited once the window is increased through SERVER-31767.

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