[SERVER-68929] Define a new method to query historical placement data on a namespace from a mongos process Created: 18/Aug/22  Updated: 29/Oct/23  Resolved: 29/Sep/22

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 6.2.0-rc0

Type: Task Priority: Major - P3
Reporter: Paolo Polato Assignee: Enrico Golfieri
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Sprint: Sharding EMEA 2022-09-05, Sharding EMEA 2022-09-19, Sharding EMEA 2022-10-03
Participants:

 Description   

The ShardingCatalogClient interface represents the main API a mongos process may use to access metadata on the config server.

The objectives of this ticket are:

  • extend such interface to also include the ListOfShards getShardsThatOwnDataForCollAtClusterTime(collName, clusterTime) method
  • implement the new method to access the content of config.placement and config.shards (this other function may serve as a reference for how to send an aggregation to the config server)
  • include unit tests for the method


 Comments   
Comment by Githook User [ 28/Sep/22 ]

Author:

{'name': 'Enrico Golfieri', 'email': 'enrico.golfieri@mongodb.com', 'username': 'enricogolfieri'}

Message: SERVER-68929 Define a new method to query historical placement data on a namespace from a mongos process
Branch: master
https://github.com/mongodb/mongo/commit/c0953d92e0a07dd130a0f4a4ac26a9fc4d7ef7f7

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