[SERVER-33028] Support snapshot in cluster find command Created: 30/Jan/18  Updated: 29/Oct/23  Resolved: 21/Mar/18

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 3.7.4

Type: Task Priority: Major - P3
Reporter: Misha Tyulenev Assignee: Jack Mulrow
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
Backwards Compatibility: Fully Compatible
Sprint: Sharding 2018-03-26
Participants:
Linked BF Score: 18

 Description   

compute atClusterTime: ACT
amend the command objects sent to individual shards per API:
```lsid, txnNumber, autocommit:true, atClusterTime: ACT```
make sure chunks were at the shards at ACT time, restart with the current time otherwise.



 Comments   
Comment by Githook User [ 22/Mar/18 ]

Author:

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

Message: SERVER-33028 Skip readConcern_snapshot_mongos.js if storage engine doesn't support snapshot readConcern
Branch: master
https://github.com/mongodb/mongo/commit/9eba3a0ed37787fc69c4744432c1db70167bc80a

Comment by Githook User [ 21/Mar/18 ]

Author:

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

Message: SERVER-33028 Support readConcern snapshot in cluster find command
Branch: master
https://github.com/mongodb/mongo/commit/fba785c14c3a5a45d85cf27a1af5be848b106342

Comment by Githook User [ 21/Mar/18 ]

Author:

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

Message: SERVER-33028 Make cluster find retry on snapshot errors
Branch: master
https://github.com/mongodb/mongo/commit/81466a3ec4c9f90ab1e6805a38a5dfc7eb98dafb

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