[SERVER-52587] Making collection and database instances comparable through cluster time (no more epochs) Created: 03/Nov/20  Updated: 29/Oct/23  Resolved: 18/Jan/21

Status: Closed
Project: Core Server
Component/s: Sharding
Affects Version/s: None
Fix Version/s: 4.9.0

Type: Task Priority: Major - P3
Reporter: Sergi Mateo Bellido Assignee: Sergi Mateo Bellido
Resolution: Fixed Votes: 0
Labels: PM-1965-Milestone-0-Metadata-Format
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-52766 Support timestamp in the catalog cach... Closed
depends on SERVER-52933 Add timestamp to the DatabaseVersion IDL Closed
depends on SERVER-53093 Add timestamp to ChunkVersion Closed
Related
related to SERVER-53862 Complete TODO listed in SERVER-52587 Closed
is related to SERVER-52763 Making StaleShardVersion use the new ... Closed
Backwards Compatibility: Fully Compatible
Sprint: Sharding 2020-11-16, Sharding 2020-11-30, Sharding 2020-12-14, Sharding 2020-12-28, Sharding 2021-01-11, Sharding 2021-01-25
Participants:

 Description   

The goal of this ticket is to make database/chunk versions comparable through the timestamp instead of epochs.



 Comments   
Comment by Githook User [ 18/Jan/21 ]

Author:

{'name': 'Sergi Mateo Bellido', 'email': 'sergi.mateo-bellido@mongodb.com', 'username': 'smateo'}

Message: SERVER-52587 Making collection and database instances comparable through cluster time (no more epochs)

PART 3: Modyfing the ComparableChunkVersion to start comparing using
timestamps
Branch: master
https://github.com/mongodb/mongo/commit/2854aaefe299b06180d49aaf3f5a8e062d9ee29e

Comment by Githook User [ 03/Dec/20 ]

Author:

{'name': 'Sergi Mateo Bellido', 'email': 'sergi.mateo-bellido@mongodb.com', 'username': 'smateo'}

Message: SERVER-52587 Making collection and database instances comparable through cluster time (no more epochs)

PART 2: Extending the ComparableDatabaseVersion to be able to compare
DatabaseVersions with timestamps
Branch: master
https://github.com/mongodb/mongo/commit/e77d9a2566cbbc50b5ef67df4dba2445d7205b2d

Comment by Githook User [ 01/Dec/20 ]

Author:

{'name': 'Sergi Mateo Bellido', 'email': 'sergi.mateo-bellido@mongodb.com', 'username': 'smateo'}

Message: SERVER-52587 Making collection and database instances comparable through cluster time (no more epochs)

Part 1: setting up the environment to start comparing DatabaseVersions
through timestamps.

Changelog:

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